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本刊讯咬合桩是指一排桩孔相互交叉咬合,形成的一堵密闭的桩墙,它拥有极好的密封性,既能防水又能挡土,适用于地铁、地下车站、地下停车场、地下商场、地下民防等地下民用和公用设施的基坑支护。咬合桩于1999年首次引入国内,并应用在深圳地铁支护工程,但由于不同桩型的两两咬合对施工工艺要求极高,稍有偏差就容易出现塌孔现象,故十几年来咬合桩施工在国内推广较少,并一直处于改良、发展之中。北京三一重机通过
The journal bite pile refers to a row of pile holes cross bite each other to form a closed pile wall, it has excellent sealing, both waterproof and retaining soil, suitable for subway, underground stations, underground parking , Underground shopping malls, underground civil defense and other underground civil and public facilities pit support. Biting pile was firstly introduced into China in 1999 and applied to the support project of Shenzhen Metro. However, due to the high requirement of construction technology due to the bite between two different piles, the bored hole is prone to occur with slight deviation. Therefore, Construction in the country to promote less, and has been in the improvement and development. Beijing Sany Heavy Machinery passed