日韩精品一区二区三区中文不卡|亚洲色成人www永久在线观看|久久久久人妻一区精品色欧美|久久精品国产第一区二区三区

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(bào)價
永久免费av无码网站yy| 久久久国产精品va麻豆| 少妇与大狼拘作爱性a| 在线播放av免费观看| 人妻丰满熟妇aⅴ无码| 久久精品国产99久久久古代| av资源在线看免费观看| 日本高清视频网站www| 无码专区一va亚洲v专区在线| 又粗又黑又大的吊av| 99久热re在线精品99 6热视频| 亚洲av日韩av永久无码色欲| 全黄h全肉边做边吃奶视频| 成人乱人乱一区二区三区| 人人妻人人澡人人爽精品欧美| 福利一区二区三区av| 亚洲精品爆乳一区二区h | 亚洲男同gay在线观看| 国产亚洲精品久久久闺蜜| 精品国产一区二区三区四区五区| 国产丰满乱子伦无码专区| 亚洲国产无套无码av电影| 性刺激的大陆三级视频| 国产精品黄在线观看免费软件| 精品人妻av区| 国产成人精品亚洲777| 欧美人与动牲交zooz男人| 巨胸喷奶水www视频网站| 最近最新中文字幕| 亚洲一区二区三区日本久久九| 国产一卡2卡3卡四卡国色天香| 国产亚洲精品拍拍拍拍拍| 欧美老熟妇欲乱高清视频| 男女猛烈拍拍拍无挡视频| 中字幕一区二区三区乱码| 亚洲天堂免费看片资源| 99久久亚洲精品日本无码| 亚洲熟女乱综合一区二区| 午夜福利伦伦电影理论片在线观看| 国产va免费精品高清在线观看| 国产精品亚洲а∨天堂2021|