Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Bridge double-wall cofferdam rapid sinking system and construction method
The invention provides a bridge double-wall cofferdam rapid sinking system and a construction method, the bridge double-wall cofferdam rapid sinking system comprises a vibration sinking system and an auxiliary sinking system, a plurality of clamps are arranged below the vibration sinking system, the clamps are used for clamping the top of a double-wall cofferdam, and the auxiliary sinking system comprises a soil taking system, a water jetting system and a gas and water supply system; the soil sampling system comprises a plurality of air suction dredgers, pipe bodies of the air suction dredgers are arranged in an interlayer of the double-wall cofferdam, and the lower ends of the pipe bodies are close to the bottoms of cofferdam blade feet of the double-wall cofferdam; the air and water supply system is communicated with the water jetting system, an air supply branch pipe of the air and water supply system is communicated with the lower end of a pipe body of the air suction dredger, the water jetting system comprises a plurality of water jetting nozzles, and the water jetting nozzles are arranged on the two sides of the lower end of the pipe body of the air suction dredger and communicated with the air and water supply system. A vibration sinking construction method is combined with soil taking sinking, water jetting resistance reduction and other construction methods, the remarkable soil squeezing effect generated by vibration sinking of the double-wall cofferdam is eliminated, and the sinking resistance of the cofferdam is reduced.
本发明提供一种桥梁双壁围堰快速下沉系统及施工方法，包括振沉系统和辅助下沉系统，振沉系统下方设有多个夹具，多个夹具用于夹紧双壁围堰顶部，辅助下沉系统包括取土系统、射水系统和供气供水系统；取土系统包括多个空气吸泥机，空气吸泥机的管体设置在双壁围堰夹层内部，且管体下端靠近双壁围堰围堰刃脚底部；供气供水系统与射水系统连通，供气供水系统的供气支管与空气吸泥机管体下端连通，射水系统包括多个射水喷嘴，射水喷嘴设置在空气吸泥机的管体下端两侧，射水喷嘴与供气供水系统连通。将振沉下沉工法与取土下沉、射水减阻等工法结合，消除了双壁围堰振动下沉所产生的显著挤土效应，降低了围堰下沉阻力。
Bridge double-wall cofferdam rapid sinking system and construction method
The invention provides a bridge double-wall cofferdam rapid sinking system and a construction method, the bridge double-wall cofferdam rapid sinking system comprises a vibration sinking system and an auxiliary sinking system, a plurality of clamps are arranged below the vibration sinking system, the clamps are used for clamping the top of a double-wall cofferdam, and the auxiliary sinking system comprises a soil taking system, a water jetting system and a gas and water supply system; the soil sampling system comprises a plurality of air suction dredgers, pipe bodies of the air suction dredgers are arranged in an interlayer of the double-wall cofferdam, and the lower ends of the pipe bodies are close to the bottoms of cofferdam blade feet of the double-wall cofferdam; the air and water supply system is communicated with the water jetting system, an air supply branch pipe of the air and water supply system is communicated with the lower end of a pipe body of the air suction dredger, the water jetting system comprises a plurality of water jetting nozzles, and the water jetting nozzles are arranged on the two sides of the lower end of the pipe body of the air suction dredger and communicated with the air and water supply system. A vibration sinking construction method is combined with soil taking sinking, water jetting resistance reduction and other construction methods, the remarkable soil squeezing effect generated by vibration sinking of the double-wall cofferdam is eliminated, and the sinking resistance of the cofferdam is reduced.
本发明提供一种桥梁双壁围堰快速下沉系统及施工方法，包括振沉系统和辅助下沉系统，振沉系统下方设有多个夹具，多个夹具用于夹紧双壁围堰顶部，辅助下沉系统包括取土系统、射水系统和供气供水系统；取土系统包括多个空气吸泥机，空气吸泥机的管体设置在双壁围堰夹层内部，且管体下端靠近双壁围堰围堰刃脚底部；供气供水系统与射水系统连通，供气供水系统的供气支管与空气吸泥机管体下端连通，射水系统包括多个射水喷嘴，射水喷嘴设置在空气吸泥机的管体下端两侧，射水喷嘴与供气供水系统连通。将振沉下沉工法与取土下沉、射水减阻等工法结合，消除了双壁围堰振动下沉所产生的显著挤土效应，降低了围堰下沉阻力。
Bridge double-wall cofferdam rapid sinking system and construction method
桥梁双壁围堰快速下沉系统及施工方法
YANG XIULI (Autor:in) / TIAN WEI (Autor:in) / CHEN MING (Autor:in) / CHENG MAOLIN (Autor:in) / LIU XIUCHENG (Autor:in) / GUAN ZHENGLIN (Autor:in) / XIAO HAO (Autor:in) / HUANG JIANFENG (Autor:in) / PENG PENG (Autor:in) / LI YOUWEI (Autor:in)
06.06.2023
Patent
Elektronische Ressource
Chinesisch
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