日本精品αv中文字幕-国产亚洲精品久久777777-熟妇无码熟妇毛片-东京热无码中文字幕av专区-日本少妇毛茸茸高潮

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: 国产成人久久综合第一区 | 日本欧美久久久久免费播放网| 香草乱码一二三四区别| 国产成人综合久久精品av| 色翁荡息又大又硬又粗又爽| 性色av无码不卡中文字幕| 成人无码av片在线观看| 97无码免费人妻超级碰碰夜夜 | 国产区精品一区二区不卡中文 | 玩爽少妇人妻系列无码| 国产乱子伦一区二区三区四区五区| 特级毛片a片久久久久久| 中文字幕无码视频手机免费看| 手机看片久久国产永久免费| 在线a久青草视频在线观看| 精品无码久久久久久国产| 樱花草视频www日本韩国| 成人国产一区二区三区精品| 国产成人亚洲精品无码mp4| 国产产品亚洲产品| 久久久久久久国产精品影视| 亚洲欧美成人久久一区| 97se狠狠狠狼鲁亚洲综合网| 九九99久久精品在免费线18| 99精品免费久久久久久久久日本| 亚洲综合伊人久久综合| 熟睡中被义子侵犯在线播放 | 日韩 欧美 动漫 国产 制服| 国产亚洲精品久久久久丝瓜| 亚洲2020天天堂在线观看| 天天爽天天爽天天片a| 被c到高潮疯狂喷水国产| 国产精品无码一区二区在线观一 | 三级中文字幕永久在线| 人妻无码中文字幕免费视频蜜桃| 国产成人福利在线视频播放下载| 亚洲精品午夜理伦不卡在线观看| 999精品无码a片在线1级| 国产96在线 | 国产| 中文字幕不卡高清视频在线| 久热国产精品视频一区二区三区|