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A platform for research: civil engineering, architecture and urbanism
Water pile sinking ultralong pile feeding construction process of inner lake tunnel
The invention discloses a water pile sinking ultralong pile feeding construction process of an inner lake tunnel. After a construction ship enters a construction site, the ship is firstly located according to the arrangement situation of a tunnel bottom plate pile, then pile sinking is carried out, and the pile is sunken to 1m above the water face to stop hammering; the step of pile feeding is carried out, wherein a pile feeder placed in a pile feeder rest stand in advance is lifted up, and after the pile driver enters a closure gap, pile driving and pile sinking are carried out to the elevation; and the third step of pulling the pile feeder is carried out, wherein a crawler crane placed on a square barge is used for lifting a vibration hammer to pull up the pile feeder, and the pile feeder is placed into the pile feeder rest stand. Next circulation is executed, and during construction, racks are propelled towards the lake center from the bank side one by one along the tunnel axis every time construction of each row of racks is completed. The water piling chip integral joint pile sinking and under mud ultradeep pile feeding process is adopted in pile sinking construction. The process is safe and reliable, the pile sinking quality is high, the percent of pass of the pile reaches 100%, the equipment input is small, procedures are connected smoothly, and the comprehensive effect is better.
本发明公开了一种内湖隧道水上沉桩超长送桩施工工艺，施工船舶进入施工现场后，根据隧道底板桩布置情况先进行船舶定位，然后沉桩，先将桩沉桩至水面上1m停锤；第二步送桩，将事先放置在送桩器搁置架中的送桩器吊起，送桩器入龙口后，套打沉桩至标高；第三步拔送桩器，由放置在方驳上的履带吊吊起振动锤拔起送桩器，放入送桩器搁置架。进入下一循环，施工中，每完成一排架，沿隧道轴线由岸侧向湖中心逐排推进。本发明沉桩施工采用水上打桩船整节沉桩及泥下超深送桩工艺。工艺安全可靠，沉桩质量高，桩的合格率达到了100%，设备投入少，工序衔接顺畅，综合功效更好。
Water pile sinking ultralong pile feeding construction process of inner lake tunnel
The invention discloses a water pile sinking ultralong pile feeding construction process of an inner lake tunnel. After a construction ship enters a construction site, the ship is firstly located according to the arrangement situation of a tunnel bottom plate pile, then pile sinking is carried out, and the pile is sunken to 1m above the water face to stop hammering; the step of pile feeding is carried out, wherein a pile feeder placed in a pile feeder rest stand in advance is lifted up, and after the pile driver enters a closure gap, pile driving and pile sinking are carried out to the elevation; and the third step of pulling the pile feeder is carried out, wherein a crawler crane placed on a square barge is used for lifting a vibration hammer to pull up the pile feeder, and the pile feeder is placed into the pile feeder rest stand. Next circulation is executed, and during construction, racks are propelled towards the lake center from the bank side one by one along the tunnel axis every time construction of each row of racks is completed. The water piling chip integral joint pile sinking and under mud ultradeep pile feeding process is adopted in pile sinking construction. The process is safe and reliable, the pile sinking quality is high, the percent of pass of the pile reaches 100%, the equipment input is small, procedures are connected smoothly, and the comprehensive effect is better.
本发明公开了一种内湖隧道水上沉桩超长送桩施工工艺，施工船舶进入施工现场后，根据隧道底板桩布置情况先进行船舶定位，然后沉桩，先将桩沉桩至水面上1m停锤；第二步送桩，将事先放置在送桩器搁置架中的送桩器吊起，送桩器入龙口后，套打沉桩至标高；第三步拔送桩器，由放置在方驳上的履带吊吊起振动锤拔起送桩器，放入送桩器搁置架。进入下一循环，施工中，每完成一排架，沿隧道轴线由岸侧向湖中心逐排推进。本发明沉桩施工采用水上打桩船整节沉桩及泥下超深送桩工艺。工艺安全可靠，沉桩质量高，桩的合格率达到了100%，设备投入少，工序衔接顺畅，综合功效更好。
Water pile sinking ultralong pile feeding construction process of inner lake tunnel
内湖隧道水上沉桩超长送桩施工工艺
YIN JIANBING (author) / GU XIAOBIN (author) / TIAN MEICAI (author) / XIE JUN (author) / ZHU XUEBING (author)
2020-07-14
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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