^ app\Request {#26 #pathinfoFetch: array:3 [ 0 => "ORIG_PATH_INFO" 1 => "REDIRECT_PATH_INFO" 2 => "REDIRECT_URL" ] #varPathinfo: "s" #varMethod: "_method" #varAjax: "_ajax" #varPjax: "_pjax" #rootDomain: "" #httpsAgentName: "" #proxyServerIp: [] #proxyServerIpHeader: array:5 [ 0 => "HTTP_X_REAL_IP" 1 => "HTTP_X_FORWARDED_FOR" 2 => "HTTP_CLIENT_IP" 3 => "HTTP_X_CLIENT_IP" 4 => "HTTP_X_CLUSTER_CLIENT_IP" ] #method: "GET" #domain: null #host: null #subDomain: "www" #panDomain: null #url: null #baseUrl: null #baseFile: null #root: null #pathinfo: "gs_news/1/4FUN0142.html" #path: null #realIP: null #controller: "Index" #action: "info" #param: [] #get: [] #post: [] #request: [] #rule: think\route\RuleItem {#51 #miss: false #autoOption: true #name: "index/info" #domain: null #router: think\Route {#41 #rest: array:7 [ "index" => array:3 [ 0 => "get" 1 => "" 2 => "index" ] "create" => array:3 [ 0 => "get" 1 => "/create" 2 => "create" ] "edit" => array:3 [ 0 => "get" 1 => "/<id>/edit" 2 => "edit" ] "read" => array:3 [ 0 => "get" 1 => "/<id>" 2 => "read" ] "save" => array:3 [ 0 => "post" 1 => "" 2 => "save" ] "update" => array:3 [ 0 => "put" 1 => "/<id>" 2 => "update" ] "delete" => array:3 [ 0 => "delete" 1 => "/<id>" 2 => "delete" ] ] #config: array:21 [ "pathinfo_depr" => "/" "url_lazy_route" => false "url_route_must" => false "route_rule_merge" => false "route_complete_match" => false "remove_slash" => false "route_annotation" => false "default_route_pattern" => "[\w\.]+" "url_html_suffix" => "html" "controller_layer" => "controller" "empty_controller" => "Error" "controller_suffix" => false "default_controller" => "Index" "default_action" => "index" "action_suffix" => "" "url_common_param" => true "request_cache_key" => true "request_cache_expire" => 0 "request_cache_except" => [] "default_jsonp_handler" => "jsonpReturn" "var_jsonp_handler" => "callback" ] #app: think\App {#3 #appDebug: false #beginTime: 1764609428.6375 #beginMem: 742704 #namespace: "app\index" #rootPath: "/var/www/html/" #thinkPath: "/var/www/html/vendor/topthink/framework/src/" #appPath: "/var/www/html/app/index/" #runtimePath: "/var/www/html/runtime/index/" #routePath: "" #configExt: ".php" #initializers: array:3 [ 0 => "think\initializer\Error" 1 => "think\initializer\RegisterService" 2 => "think\initializer\BootService" ] #services: array:6 [ 0 => app\AppService {#2 #app: think\App {#3} } 1 => think\service\PaginatorService {#7 #app: think\App {#3} } 2 => think\service\ValidateService {#12 #app: think\App {#3} } 3 => think\service\ModelService {#13 #app: think\App {#3} } 4 => think\app\Service {#14 #app: think\App {#3} } 5 => think\trace\Service {#15 #app: think\App {#3} } ] #initialized: true #bind: array:27 [ "app" => "think\App" "cache" => "think\Cache" "config" => "think\Config" "console" => "think\Console" "cookie" => "think\Cookie" "db" => "think\Db" "env" => "think\Env" "event" => "think\Event" "http" => "think\Http" "lang" => "think\Lang" "log" => "think\Log" "middleware" => "think\Middleware" "request" => "think\Request" "response" => "think\Response" "route" => "think\Route" "session" => "think\Session" "validate" => "think\Validate" "view" => "think\View" "filesystem" => "think\Filesystem" "think\DbManager" => "think\Db" "think\LogManager" => "think\Log" "think\CacheManager" => "think\Cache" "Psr\Log\LoggerInterface" => "think\Log" "think\Request" => "app\Request" "think\exception\Handle" => "app\ExceptionHandle" "think\Paginator" => "think\paginator\driver\Bootstrap" "think\route\Url" => "think\app\Url" ] #instances: array:18 [ "think\App" => think\App {#3} "think\Container" => think\App {#3} "think\Http" => think\Http {#6 #app: think\App {#3} #name: "index" #path: null #routePath: "/var/www/html/app/index/route/" #isBind: false } "think\Env" => think\Env {#5 #data: array:38 [ "HOSTNAME" => "e9dade6b462f" "PHP_VERSION" => "7.4.15" "APACHE_CONFDIR" => "/etc/apache2" "PHP_INI_DIR" => "/usr/local/etc/php" "GPG_KEYS" => "42670A7FE4D0441C8E4632349E4FDC074A4EF02D 5A52880781F755608BF815FC910DEB46F53EA312" "PHP_LDFLAGS" => "-Wl,-O1 -pie" "PWD" => "/var/www/html" "TZ" => "Asia/Shanghai" "APACHE_LOG_DIR" => "/var/log/apache2" "LANG" => "C" "PHP_SHA256" => "9b859c65f0cf7b3eff9d4a28cfab719fb3d36a1db3c20d874a79b5ec44d43cb8" "APACHE_PID_FILE" => "/var/run/apache2/apache2.pid" "PHPIZE_DEPS" => "autoconf \t\tdpkg-dev \t\tfile \t\tg++ \t\tgcc \t\tlibc-dev \t\tmake \t\tpkg-config \t\tre2c" "PHP_URL" => "https://www.php.net/distributions/php-7.4.15.tar.xz" "APACHE_RUN_GROUP" => "www-data" "APACHE_LOCK_DIR" => "/var/lock/apache2" "PHP_EXTRA_CONFIGURE_ARGS" => "--with-apxs2 --disable-cgi" "SHLVL" => "0" "PHP_CFLAGS" => "-fstack-protector-strong -fpic -fpie -O2 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" "APACHE_RUN_DIR" => "/var/run/apache2" "APACHE_ENVVARS" => "/etc/apache2/envvars" "APACHE_RUN_USER" => "www-data" "PATH" => "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" "PHP_EXTRA_BUILD_DEPS" => "apache2-dev" "PHP_ASC_URL" => "https://www.php.net/distributions/php-7.4.15.tar.xz.asc" "PHP_CPPFLAGS" => "-fstack-protector-strong -fpic -fpie -O2 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" "APP_DEBUG" => "" "APP_DEFAULT_TIMEZONE" => "Asia/Shanghai" "DATABASE_TYPE" => "mysql" "DATABASE_HOSTNAME" => "192.168.88.88" "DATABASE_DATABASE" => "szhzywl" "DATABASE_USERNAME" => "hzy_web" "DATABASE_PASSWORD" => "hzy_24678_mydb" "DATABASE_HOSTPORT" => "3306" "DATABASE_CHARSET" => "utf8" "DATABASE_DEBUG" => "1" "DATABASE_PREFIX" => "web_" "LANG_DEFAULT_LANG" => "zh-cn" ] } "think\Config" => think\Config {#8 #config: array:13 [ "app" => array:12 [ "app_host" => "" "app_namespace" => "" "with_route" => true "app_express" => true "default_app" => "index" "default_timezone" => "Asia/Shanghai" "app_map" => [] "domain_bind" => [] "deny_app_list" => [] "exception_tmpl" => "/var/www/html/vendor/topthink/framework/src/tpl/think_exception.tpl" "error_message" => "页面错误!请稍后再试~" "show_error_msg" => false ] "cache" => array:2 [ "default" => "file" "stores" => array:1 [ "file" => array:6 [ "type" => "File" "path" => "" "prefix" => "" "expire" => 0 "tag_prefix" => "tag:" "serialize" => [] ] ] ] "console" => array:1 [ "commands" => [] ] "cookie" => array:7 [ "expire" => 0 "path" => "/" "domain" => "" "secure" => false "httponly" => false "setcookie" => true "samesite" => "" ] "database" => array:5 [ "default" => "mysql" "time_query_rule" => [] "auto_timestamp" => true "datetime_format" => "Y-m-d H:i:s" "connections" => array:1 [ "mysql" => array:17 [ "type" => "mysql" "hostname" => "192.168.88.88" "database" => "szhzywl" "username" => "hzy_web" "password" => "hzy_24678_mydb" "hostport" => "3306" "params" => [] "charset" => "utf8" "prefix" => "web_" "deploy" => 0 "rw_separate" => false "master_num" => 1 "slave_no" => "" "fields_strict" => true "break_reconnect" => false "trigger_sql" => "" "fields_cache" => false ] ] ] "filesystem" => array:2 [ "default" => "local" "disks" => array:2 [ "local" => array:2 [ "type" => "local" "root" => "/var/www/html/runtime/bucket" ] "public" => array:4 [ "type" => "local" "root" => "/var/www/html/public/static/bucket" "url" => "/static/bucket" "visibility" => "public" ] ] ] "lang" => array:9 [ "default_lang" => "zh-cn" "allow_lang_list" => [] "detect_var" => "lang" "use_cookie" => true "cookie_var" => "think_lang" "header_var" => "think-lang" "extend_list" => [] "accept_language" => array:1 [ "zh-hans-cn" => "zh-cn" ] "allow_group" => false ] "log" => array:6 [ "default" => "file" "level" => [] "type_channel" => [] "close" => false "processor" => null "channels" => array:1 [ "file" => array:10 [ "type" => "File" "path" => "" "single" => false "apart_level" => [] "max_files" => 0 "json" => false "processor" => null "close" => false "format" => "[%s][%s] %s" "realtime_write" => false ] ] ] "middleware" => array:2 [ "alias" => [] "priority" => [] ] "route" => array:19 [ "pathinfo_depr" => "/" "url_html_suffix" => "html" "url_common_param" => true "url_lazy_route" => false "url_route_must" => false "route_rule_merge" => false "route_complete_match" => false "controller_layer" => "controller" "empty_controller" => "Error" "controller_suffix" => false "default_route_pattern" => "[\w\.]+" "request_cache_key" => true "request_cache_expire" => 0 "request_cache_except" => [] "default_controller" => "Index" "default_action" => "index" "action_suffix" => "" "default_jsonp_handler" => "jsonpReturn" "var_jsonp_handler" => "callback" ] "session" => array:6 [ "name" => "PHPSESSID" "var_session_id" => "" "type" => "file" "store" => null "expire" => 14400 "prefix" => "" ] "trace" => array:2 [ "type" => "Html" "channel" => "" ] "view" => array:10 [ "type" => "Think" "auto_rule" => 1 "view_dir_name" => "view" "view_suffix" => "html" "view_depr" => "/" "tpl_begin" => "{" "tpl_end" => "}" "taglib_begin" => "{" "taglib_end" => "}" "tpl_replace_string" => array:8 [ "__PUBLIC__" => "/" "__STATIC__" => "/static" "__LIB__" => "/static/lib" "__ADMIN__" => "/static/admin" "__INDEX__" => "/static/index" "__LOCAL_UPLOAD__" => think\app\Url {#49 #app: think\App {#3} #route: think\Route {#41} #vars: [] #url: "/admin/adminAccount/local_upload" #root: "" #https: null #suffix: true #domain: false : "/admin/adminAccount/local_upload" : [] : true : false } "__REMOTE_UPLOAD__" => think\app\Url {#50 #app: think\App {#3} #route: think\Route {#41} #vars: [] #url: "/admin/adminAccount/remote_upload" #root: "" #https: null #suffix: true #domain: false : "/admin/adminAccount/remote_upload" : [] : true : false } "__IMG_URL__" => "" ] ] ] #path: "/var/www/html/config/" #ext: ".php" } "think\Event" => think\Event {#9 #listener: array:5 [ "think\event\AppInit" => [] "think\event\HttpRun" => array:1 [ 0 => Closure() {#24 : "think\app\Service" : think\app\Service {#14} } ] "think\event\HttpEnd" => [] "LogLevel" => [] "think\event\LogWrite" => [] ] #bind: array:5 [ "AppInit" => "think\event\AppInit" "HttpRun" => "think\event\HttpRun" "HttpEnd" => "think\event\HttpEnd" "RouteLoaded" => "think\event\RouteLoaded" "LogWrite" => "think\event\LogWrite" ] #app: think\App {#3} } "think\Lang" => think\Lang {#11 #config: array:9 [ "default_lang" => "zh-cn" "allow_lang_list" => [] "use_cookie" => true "extend_list" => [] "cookie_var" => "think_lang" "header_var" => "think-lang" "detect_var" => "lang" "accept_language" => array:1 [ "zh-hans-cn" => "zh-cn" ] "allow_group" => false ] -lang: array:1 [ "zh-cn" => array:126 [ "undefined variable" => "未定义变量" "undefined index" => "未定义数组索引" "undefined offset" => "未定义数组下标" "parse error" => "语法解析错误" "type error" => "类型错误" "fatal error" => "致命错误" "syntax error" => "语法错误" "dispatch type not support" => "不支持的调度类型" "method param miss" => "方法参数错误" "method not exists" => "方法不存在" "function not exists" => "函数不存在" "app not exists" => "应用不存在" "controller not exists" => "控制器不存在" "class not exists" => "类不存在" "property not exists" => "类的属性不存在" "template not exists" => "模板文件不存在" "illegal controller name" => "非法的控制器名称" "illegal action name" => "非法的操作名称" "url suffix deny" => "禁止的URL后缀访问" "undefined cache config" => "缓存配置未定义" "route not found" => "当前访问路由未定义或不匹配" "undefined db config" => "数据库配置未定义" "undefined log config" => "日志配置未定义" "undefined db type" => "未定义数据库类型" "variable type error" => "变量类型错误" "psr-4 error" => "PSR-4 规范错误" "not support type" => "不支持的分页索引字段类型" "not support total" => "简洁模式下不能获取数据总数" "not support last" => "简洁模式下不能获取最后一页" "error session handler" => "错误的SESSION处理器类" "not allow php tag" => "模板不允许使用PHP语法" "not support" => "不支持" "database config error" => "数据库配置信息错误" "redisd master" => "Redisd 主服务器错误" "redisd slave" => "Redisd 从服务器错误" "must run at sae" => "必须在SAE运行" "memcache init error" => "未开通Memcache服务,请在SAE管理平台初始化Memcache服务" "kvdb init error" => "没有初始化KVDB,请在SAE管理平台初始化KVDB服务" "fields not exists" => "数据表字段不存在" "where express error" => "查询表达式错误" "no data to update" => "没有任何数据需要更新" "miss data to insert" => "缺少需要写入的数据" "miss complex primary data" => "缺少复合主键数据" "miss update condition" => "缺少更新条件" "model data not found" => "模型数据不存在" "table data not found" => "表数据不存在" "delete without condition" => "没有条件不会执行删除操作" "miss relation data" => "缺少关联表数据" "tag attr must" => "模板标签属性必须" "tag error" => "模板标签错误" "cache write error" => "缓存写入失败" "sae mc write error" => "SAE mc 写入错误" "route name not exists" => "路由标识不存在(或参数不够)" "invalid request" => "非法请求" "bind attr has exists" => "模型的属性已经存在" "relation data not exists" => "关联数据不存在" "relation not support" => "关联不支持" "chunk not support order" => "Chunk不支持调用order方法" "route pattern error" => "路由变量规则定义错误" "route behavior will not support" => "路由行为废弃(使用中间件替代)" "closure not support cache(true)" => "使用闭包查询不支持cache(true),请指定缓存Key" "unknown upload error" => "未知上传错误!" "file write error" => "文件写入失败!" "upload temp dir not found" => "找不到临时文件夹!" "no file to uploaded" => "没有文件被上传!" "only the portion of file is uploaded" => "文件只有部分被上传!" "upload file size exceeds the maximum value" => "上传文件大小超过了最大值!" "upload write error" => "文件上传保存错误!" "has the same filename: {:filename}" => "存在同名文件:{:filename}" "upload illegal files" => "非法上传文件" "illegal image files" => "非法图片文件" "extensions to upload is not allowed" => "上传文件后缀不允许" "mimetype to upload is not allowed" => "上传文件MIME类型不允许!" "filesize not match" => "上传文件大小不符!" "directory {:path} creation failed" => "目录 {:path} 创建失败!" "the middleware must return response instance" => "中间件方法必须返回Response对象实例" "the queue was exhausted, with no response returned" => "中间件队列为空" ":attribute require" => ":attribute不能为空" ":attribute must" => ":attribute必须" ":attribute must be numeric" => ":attribute必须是数字" ":attribute must be integer" => ":attribute必须是整数" ":attribute must be float" => ":attribute必须是浮点数" ":attribute must be bool" => ":attribute必须是布尔值" ":attribute not a valid email address" => ":attribute格式不符" ":attribute not a valid mobile" => ":attribute格式不符" ":attribute must be a array" => ":attribute必须是数组" ":attribute must be yes,on or 1" => ":attribute必须是yes、on或者1" ":attribute not a valid datetime" => ":attribute不是一个有效的日期或时间格式" ":attribute not a valid file" => ":attribute不是有效的上传文件" ":attribute not a valid image" => ":attribute不是有效的图像文件" ":attribute must be alpha" => ":attribute只能是字母" ":attribute must be alpha-numeric" => ":attribute只能是字母和数字" ":attribute must be alpha-numeric, dash, underscore" => ":attribute只能是字母、数字和下划线_及破折号-" ":attribute not a valid domain or ip" => ":attribute不是有效的域名或者IP" ":attribute must be chinese" => ":attribute只能是汉字" ":attribute must be chinese or alpha" => ":attribute只能是汉字、字母" ":attribute must be chinese,alpha-numeric" => ":attribute只能是汉字、字母和数字" ":attribute must be chinese,alpha-numeric,underscore, dash" => ":attribute只能是汉字、字母、数字和下划线_及破折号-" ":attribute not a valid url" => ":attribute不是有效的URL地址" ":attribute not a valid ip" => ":attribute不是有效的IP地址" ":attribute must be dateformat of :rule" => ":attribute必须使用日期格式 :rule" ":attribute must be in :rule" => ":attribute必须在 :rule 范围内" ":attribute be notin :rule" => ":attribute不能在 :rule 范围内" ":attribute must between :1 - :2" => ":attribute只能在 :1 - :2 之间" ":attribute not between :1 - :2" => ":attribute不能在 :1 - :2 之间" "size of :attribute must be :rule" => ":attribute长度不符合要求 :rule" "max size of :attribute must be :rule" => ":attribute长度不能超过 :rule" "min size of :attribute must be :rule" => ":attribute长度不能小于 :rule" ":attribute cannot be less than :rule" => ":attribute日期不能小于 :rule" ":attribute cannot exceed :rule" => ":attribute日期不能超过 :rule" ":attribute not within :rule" => "不在有效期内 :rule" "access ip is not allowed" => "不允许的IP访问" "access ip denied" => "禁止的IP访问" ":attribute out of accord with :2" => ":attribute和确认字段:2不一致" ":attribute cannot be same with :2" => ":attribute和比较字段:2不能相同" ":attribute must greater than or equal :rule" => ":attribute必须大于等于 :rule" ":attribute must greater than :rule" => ":attribute必须大于 :rule" ":attribute must less than or equal :rule" => ":attribute必须小于等于 :rule" ":attribute must less than :rule" => ":attribute必须小于 :rule" ":attribute must equal :rule" => ":attribute必须等于 :rule" ":attribute has exists" => ":attribute已存在" ":attribute not conform to the rules" => ":attribute不符合指定规则" "invalid request method" => "无效的请求类型" "invalid token" => "令牌数据无效" "not conform to the rules" => "规则错误" "record has update" => "记录已经被更新了" ] ] -range: "zh-cn" } "think\initializer\Error" => think\initializer\Error {#4 #app: think\App {#3} } "think\initializer\RegisterService" => think\initializer\RegisterService {#10 #services: array:3 [ 0 => "think\service\PaginatorService" 1 => "think\service\ValidateService" 2 => "think\service\ModelService" ] } "think\Middleware" => think\Middleware {#19 #queue: array:1 [ "global" => array:2 [ 0 => array:2 [ 0 => array:2 [ 0 => "think\trace\TraceDebug" 1 => "handle" ] 1 => [] ] 1 => array:2 [ 0 => array:2 [ 0 => "think\app\MultiApp" 1 => "handle" ] 1 => [] ] ] ] #app: think\App {#3} } "think\initializer\BootService" => think\initializer\BootService {#16} "think\Log" => think\Log {#34 #namespace: "\think\log\driver\" #app: think\App {#3} #drivers: [] } "think\Cache" => think\Cache {#35 #namespace: "\think\cache\driver\" #app: think\App {#3} #drivers: array:1 [ "file" => think\cache\driver\File {#30 #options: array:9 [ "expire" => 0 "cache_subdir" => true "prefix" => "" "path" => "/var/www/html/runtime/cache/" "hash_type" => "md5" "data_compress" => false "tag_prefix" => "tag:" "serialize" => [] "type" => "File" ] #handler: null #readTimes: 0 #writeTimes: 0 #tag: [] } ] } "think\Db" => think\Db {#32 #instance: [] #config: think\Config {#8} #event: think\Event {#9} #listen: [] #dbLog: [] #queryTimes: 0 #cache: think\cache\driver\File {#30} #log: think\Log {#34} } "app\Request" => app\Request {#26} "think\trace\TraceDebug" => think\trace\TraceDebug {#42 #log: [] #config: array:2 [ "type" => "Html" "channel" => "" ] #app: think\App {#3} } "think\app\MultiApp" => think\app\MultiApp {#39 #app: think\App {#3} #name: "" #appName: "index" #path: "" } "think\Route" => think\Route {#41} ] #invokeCallback: [] } #request: app\Request {#26} #ruleName: think\route\RuleName {#40 #item: array:5 [ "upload" => array:1 [ 0 => array:4 [ "rule" => "guest/upload" "domain" => "www.szhzywl.com" "method" => "post" "suffix" => null ] ] "send_resume" => array:1 [ 0 => array:4 [ "rule" => "guest/send_resume" "domain" => "www.szhzywl.com" "method" => "post" "suffix" => null ] ] "send_message" => array:1 [ 0 => array:4 [ "rule" => "guest/send_message" "domain" => "www.szhzywl.com" "method" => "post" "suffix" => null ] ] "index/info" => array:1 [ 0 => array:4 [ "rule" => "<name>/<id>/<sn>" "domain" => "www.szhzywl.com" "method" => "get" "suffix" => null ] ] "index/page" => array:2 [ 0 => array:4 [ "rule" => "<name>/<id>" "domain" => "www.szhzywl.com" "method" => "get" "suffix" => null ] 1 => array:4 [ "rule" => "<name>" "domain" => "www.szhzywl.com" "method" => "get" "suffix" => null ] ] ] #rule: array:6 [ "guest/upload" => array:1 [ "upload" => think\route\RuleItem {#54 #miss: false #autoOption: true #name: "upload" #domain: null #router: think\Route {#41} #parent: think\route\RuleGroup {#52 #rules: array:6 [ 0 => array:2 [ 0 => "post" 1 => think\route\RuleItem {#54} ] 1 => array:2 [ 0 => "options" 1 => think\route\RuleItem {#54} ] 2 => array:2 [ 0 => "post" 1 => think\route\RuleItem {#55 #miss: false #autoOption: true #name: "send_resume" #domain: null #router: think\Route {#41} #parent: think\route\RuleGroup {#52} #rule: "guest/send_resume" #route: "send_resume" #method: "post" #vars: [] #option: [] #pattern: [] #mergeOptions: array:3 [ 0 => "model" 1 => "append" 2 => "middleware" ] : "send_resume" : "guest/send_resume" : "send_resume" : "post" : [] : [] : [] } ] 3 => array:2 [ 0 => "options" 1 => think\route\RuleItem {#55} ] 4 => array:2 [ 0 => "post" 1 => think\route\RuleItem {#56 #miss: false #autoOption: true #name: "send_message" #domain: null #router: think\Route {#41} #parent: think\route\RuleGroup {#52} #rule: "guest/send_message" #route: "send_message" #method: "post" #vars: [] #option: [] #pattern: [] #mergeOptions: array:3 [ 0 => "model" 1 => "append" 2 => "middleware" ] : "send_message" : "guest/send_message" : "send_message" : "post" : [] : [] : [] } ] 5 => array:2 [ 0 => "options" 1 => think\route\RuleItem {#56} ] ] #rule: null #miss: null #fullName: "guest" #alias: null #name: 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1 引言
根据近年来气象资料显示,部分地区最冷的一月最低气温在-8℃以上,按本工程施工进度安排,冬期施工主要在11月15日~1月15日,其中11月15日~12月15日为初冬季节,日平均气温一般在1~4℃之间;12月15日~1月15日为深冬季节,日平均气温一般在1~1°之间。按照《建筑工程冬期施工规程》规定及现场施工条件,在初冬季节采用蓄热法施工,即对混凝土结构采用覆盖黑心棉和塑料薄膜蓄热养护。在深冬季节考虑到工期和强度增长的需要以及防止寒流温度骤降的可能,决定采用综合蓄热法施工。综合蓄热法是在蓄热保温的基础上,充分利用水泥的水化热和掺加相应的外加剂或者进行短时加热等综合措施,创造加速混凝土硬化的条件,使混凝土在由浇筑温度降低到冰点温度之前尽快达到受冻前的临界强度。
2 关于混凝土的技术要求
2.1 商品混凝土的要求
本工程所用混凝土为商品混凝土,所用混凝土的原材料的质量、配合比设计、搅拌时的上料计量和控制、出机温度和运输过程的保温以及保证混凝土的入模温度等问题,都需要与商品混凝土搅拌站提前提出要求,必要时派人到搅拌站进行监控。施工中及时通知商混凝土厂家共同掌握好混凝土的各项性能,双方配合,做好混凝土的冬期施工工作。
2.2 混凝土配合比的要求
由于冬期气温较低,为了尽快提高混凝土强度的增长速度,应对混凝土配合比进行适当调整,掺加一定的早强剂和防冻剂。配合比改变必须事先试配合格方可使用。混凝土掺加早强、抗冻复合外加剂(抗冻性能达到15℃):①为了提高混凝土在覆盖保温阶段的早期强度,尽快达到混凝土的受冻临界强度(普通混凝土采用硅酸盐水泥或普通硅酸盐水泥配制时应为设计的混凝土强度标准值的30%)和拆模需要的强度;②防止突然降温时混凝土受冻;③为了使混凝土在撤除保温以后强度能够继续增长。
2.3 混凝土原材料要求
(1) 混凝土配比中水泥强度等级不得低于42.5级,水泥用量不少于300kg/m3。保证水灰比不大于0.6,从拌和水中扣除由骨料及防冻剂溶液中带入的水分。
(2) 要求搅拌站对混凝土原材料进行加热:因为水的比热是砂、石骨料的5倍左右,所以冬期拌制混凝土时应优先采用加热水的方法,但水的加热温度不得高于800,采用温水搅拌可防止混凝土热量散失过快及表面冻结等现象;拌制混凝土所采用的骨料应清洁不得含有冰雪冻块及其他易冻裂物,冬期骨料所用贮备场地应选择地势较高不积水的地方;水泥不得直接加热,使用前1~2d运入暖棚存放,暖棚温度宜在5°以上。
(3) 保证混凝土运送到工地的出罐温度在15℃以上,从而保证混凝土的入模温度控制在6℃以上,并掺加抗冻性能达到-15℃的抗冻剂。在钢筋混凝土中不宜掺用氯盐类防冻剂。
2.4 混凝土的搅拌与运输
(1) 混凝土不宜露天搅拌(由商混凝土站进行控制),应尽量搭设暖棚,选用大容量的搅拌机,以减少混凝土的热量损失。搅拌前,用热水冲洗搅拌机。混凝土的拌合时间比常温规定时间延长50%。
(2) 由于水泥和80℃左右的水拌合时会发生骤凝现象,所以材料投放时,应先将水和砂石投入拌合,然后加入水泥。
(3) 混凝土出站后,应及时运到浇筑地点。在运输过程中,要注意防止混凝土热量散失,表面冻结,混凝土离析,水泥砂浆流失、坍落度变化等现象。对运输用罐车应采取包裹保温材料,尽量减少运输过程热损失,保证混凝土的出罐温度在运输过程中,一般每小时温度降低不宜超过5~6℃。
3 施工现场保温措施
(1) 将施工楼层四周脚手架用塑料彩条布作为挡风措施,围挡范围一般在两层楼高范围,主要在作业层及下一层混凝土养护层。楼板下均用彩条布围挡,并封堵好电梯口、楼梯口、门窗口、后浇带等至施工缝区域的分隔线。
(2) 根据天气的温度情况若经围挡封闭后的楼层温度仍低于O℃时在浇筑平台前,楼层内用简易炉子烧火加热辅助养护。炉子分布按30~40m2布置一个,且尽量分布均匀,且炉子离开混凝土墙面1.5m左右,尽量避开易燃、易融物体。炉子烧火时要注意火苗距模板要保持一定的距离,且炉子要离开混凝土地面。同时要求保证炉子不得离平台模板太近,要求炉子离平台模板在2m左右,火苗离平台模板1-1.5m。
4 混凝土浇筑
混凝土浇筑前,要清除模板和钢筋上的冰雪及污垢,尤其竖向构件底部积雪和冰必须在混凝土浇筑前再次检查是否清除。混凝土输送泵要搭设棚子并用彩条布封闭混凝土保温,所有输送泵管都要采取保温措施,先包裹黑心棉被,再包一层塑料薄膜。混凝土施工缝处浇灌前应除掉水泥薄膜和松动石子,润湿冲洗干净,并使接缝处原混凝土温度高于2℃,待己浇筑好混凝土强度达1.2MPa时才可在其上铺一层与混凝土内砂浆成份相同的砂浆一层后继续浇筑混凝土。冬期期间浇筑混凝土要加强混凝土的振捣,尽可能提高混凝土的密实程度。冬期振捣混凝土必须采用机械振捣,振捣时间应比常温时有所增加。其它混凝土浇筑技术及要求与本工程混凝土施工方案要求相同。
5 试块留置方法
冬施中混凝土试块除了为混凝土工程的验收提供标准强度数据外,还要为撤除保温、拆除模板提供依据。因此在制作试块时应按《混凝土结构工程施工及验收规范》(GB50204-2002)中有关规定执行。试块组数设置三组,并与施工部位同条件养护。其中一组用于检验混凝土受冻前的强度,确定混凝土保温养护期限,一组用于检验承重楼板的拆模强度;另一组为28d标养试块。同条件试块的养护条件必须与施工现场结构养护条件相一致。但由于试块采用lOOxlOOxl00的标准试模制作,其表面系数为40m,试块如与结构在相同环境下养护,试块的冷却速度会比实际结构快得多。因此试块须采取用黑心棉毯包裹保温养护
6 混凝土的拆模条件
当混凝土冷却到5℃,且超过临界强度并满足常温混凝土拆模要求时方可拆模(混凝土温度通过温度计来测定)。当如因进度需要拆模,而混凝土尚未达临界强度,但混凝土必须降温至5℃并达到1.2MPa,此时拆模要迅速,并立即挂两层黑心棉保温至达到临界强度,必须保证混凝土表面与大气温差不得超过15℃。梁、板模板对于跨度≤8m在混凝土强度达到设计强度的75%后方可拆除,对于跨度>8m在混凝土强度达到设计强度的100%后方可拆除,悬挑结构在混凝土强度达到设计强度的100%后方司拆除。
7 混凝土的养护措施
正确的养护能避免混凝土产生不必要的温度收缩裂缝和受冻。在冬施条件下混凝土养护可以采取多种措施,根据当地主城区的天气情况,室外日平均气温连续5d在2-5%,本工程采用塑料薄膜加盖保温草垫进行养护,防止受冻并控制混凝土表面和内部温差。顶板、梁混凝土上部保温为在新浇筑的混凝土表面先覆盖塑料布再覆盖一层草垫。对于边角等薄弱部位或迎风面应加盖草垫并做好塔接。如室外日平均气温在0℃及O℃以下采取在浇制的混凝土表面盖一层塑料膜,以防稻草等覆盖物受潮,再在混凝土周围盖上稻草,最后在坑口上盖一层塑料以增强保温性,来保证混凝土的质量。
混凝土的入模温度控制在6℃以上;混凝土浇筑后的起始养护温度不低于5℃,若达不到以上温度,则要提高养护水温以满足要求。墙柱模板支设校正后在模板外侧挂一层EPS保温板,混凝土浇筑后在墙柱混凝土上口覆盖两层黑心棉保温养护。柱子拆模后立即包裹塑料薄膜养护再包裹黑心棉保温;剪力墙拆模后借助墙上的穿墙螺栓孔在混凝土表面覆盖两层黑心棉,在边角等薄弱部位,必须加盖黑心棉并密封严实。平台混凝土浇筑打毛后应先在表面覆盖一层塑料薄膜,然后再覆盖黑心棉保温。使混凝土由搅拌时所携带的余热及水泥的水化热不致骤然散失,同时也防止水份量散失,从而能蓄热而维持正温条件进行养护。并根据气温情况增加黑心棉厚度加以保温(详见热工计算)。塑料薄膜之间及黑心棉之间相互搭接200mm,对边、棱角部位的保温在墙、柱钢筋缝隙处塞黑心棉毯,以起到保温作用。
结束语
冬季施工虽然时间不是很长,但是在冬季到来前如果不提前准备和防范,势必会给工程质量、进度带来影响。如果措施不当也会给工程质量带来隐患,因此,在工程即将进入冬期前应该做好防范,在施工期间作好施工质量控制是必要的,这也是保证工程质量必须的措施。
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