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路面脱皮和沉陷的原因分析
网址:http://www.dhfjx.cn    发布时间:2019-04-08
我国的路面设施有很多的问题,其实就为突出的就是脱皮和沉陷这两种,下面我们就和移动碎石机租赁厂家一起来看看这种问题产生的原因吧!
China's pavement facilities have many problems, in fact, to highlight the two kinds of desquamation and subsidence, let's take a look at the causes of this problem together with mobile gravel rental manufacturers!
1.路面脱皮产生的缘由主要有以下几点:
The main causes of pavement desquamation are as follows:
(1)铺筑面层时,基层透层油洒布不达标,形成面层与基层粘结不良,在行车作用下,面层发作推移现象,构成脱皮。
(1) When paving the surface layer, the permeable oil spraying of the base layer is not up to the standard, resulting in poor bonding between the surface layer and the base layer. Under the action of the vehicle, the surface layer will undergo a movement phenomenon, which constitutes peeling.
(2)层铺法施工时,上下层间有浮土或因湿润而构成隔层,表层被行车推移。
(2) During the construction of layer-laying method, there is floating soil between upper and lower layers or a barrier layer formed by wetting, and the surface layer is pushed by driving.
(3)面层矿料含土量大,粉料多或矿料湿润,施工中碾压过度,矿料被压碎,构成障碍油料浸透的隔离层,毁坏了嵌缝料和主层矿料的粘结,在行车作用下使面层矿料零落。
(3) Surface mineral material has large soil content, more powder or wet mineral material, excessive rolling in construction, crushing mineral material, forming barrier oil soaking isolation layer, destroying the bond between seam material and main layer mineral material, and making surface mineral material scattered under the action of vehicle.
(4)在原沥青路面上作沥青加铺层时,老路面上未洒粘层油、或低温施工、或加铺层渗水,在春融时节,行车的作用下,使加铺沥青层毁坏零落。
(4) When the asphalt overlay is used on the original asphalt pavement, the old pavement is not sprayed with sticky oil, or constructed at low temperature, or seepage of the overlay. In the spring melting season, under the action of driving, the overlay asphalt layer is destroyed and scattered.
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2.路面沉陷产生的主要缘由是:
The main causes of pavement subsidence are:
(1)土质路堑排水不畅,路床下部路基过潮湿而产生不平均沉降,惹起路面部分下沉。
(1) The drainage of soil cutting is not smooth, and the wet subgrade under the roadbed results in uneven settlement, which causes the subsidence of the pavement.
(2)路面强度不能顺应日益增长的交通量,易发作疲倦毁坏。
(2) Pavement strength can not adapt to the increasing traffic volume, and is prone to fatigue and destruction.
(3)路基或基层强度缺乏或填挖路基强度不分歧,在车辆荷载作用下,路基或基层构造遭毁坏而惹起沉陷。
(3) Strength of roadbed or base lacks or the strength of filling and excavating roadbed does not differ. Under the action of vehicle load, the structure of roadbed or base is destroyed and causes subsidence.
(4)桥头路面沉降不平均而惹起沉陷并与桥面发作错位。
(4) The uneven settlement of the bridge head pavement causes the settlement and dislocation with the bridge deck.
以上的精彩内容由移动碎石机租赁整理提供,更多的详情欢迎关注我们的官网:http://www.dhfjx.cn
The above highlights are provided by the mobile lithotripter rental arrangement, more details are welcome to pay attention to our official website: http://www.dhfjx.cn
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