在线观看黄片大全-欧美日韩一级黄片-久久久免费黄色毛片-精品V在线免费观看视频大学01-国产一级@毛一级@-A级在线免费观看男女视频-人与动物一级黄色片-免费特级黄片视频看黄色-1级黄片在线免费观看。

Continuously winding glass fiber reinforced plastic pipe jacking

Continuous wound fiber Glass Reinforced Plastic pipe- jacking (abbreviated as GRP) is a new type of pipe jacking made from resin, glass fiber (continuous + short cut) and quartz sand by continuous winding process. The pipe has axial reinforced short cut glass fiber which improves the axial compression strength.

001.png

Performance feature

GRP pipe-jacking not only has the advantage of light, high strength, corrosion resistance and excellent hydraulic properties like glass reinforced plastic pipe, but also has the following characteristics.  

1. High axial compression strength, high allowable jacking force

The index value of axial compression strength ≥85MPa, The typical value is about 95 Mpa, the allowable jacking force is greater than that of the traditional pipe, the distance between the two operational wells can be long.

2. Applicable to all kinds of working conditions.

GRP pipe-jacking is not easy to sink in muddy soil and is suitable for various complicated working conditions.   

 11.jpg

Application field: it can be used in the roads that are not suitable for excavation, such as river, railroad track and highway. 

Specification model

頂管22.png

?
為您報價
主站蜘蛛池模板: 黄片免费不卡视频| 一级二级三级日韩亚洲| 亚洲一区二区在线观看黄 | 纯黄色三级AA片| 成人大全在线观看| 黄色一级视频免费看| 台湾一级婬片A片AAA免费| 国产性爱一级A片| 波多野结衣中文字幕一级| 免费性爱一级大片| 国产a级黄色录像片| 成人黄色免费在线观看一级片| 免费在线观看视频A黄片| A级视频2015| 18岁免费观看毛片视频| 亚州一级免黄色影片| 中日韩美俄法一级毛B| 成人久久电影免费视频| 一级免费黄片黄色| 免费播放的毛片不卡的| 一级黄色毛片视频小说| 欧美?日韩在线视频| 欧美一级a一级a爱片免费| 中国美女一级大黄片儿| 国产高清特级大黄片| 精品人妻无码专区在线视频区| 国产一国产精品一级毛片| 欧美女子性综合视频网站| 日韩一级av电影| 1级毛片3级毛片| 日本三级毛片视频| aaa黄片免费观看| 观看一级毛片免费| 国产精品一级三级片| 免费一级生活免费录像在线观看| 日韩中文字码无砖| 免费收看外国黄色A级片| 国产成人精品免费视频大全下载| 一区二区久久黄色片| 一级国产一级黄片| 欧美AAAAAA级特黄在线播放|