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A platform for research: civil engineering, architecture and urbanism
Novel externally-hung high-pressure air curtain steel casing and construction method
The invention provides a novel externally-hung high-pressure air curtain steel casing which comprises two steel casing bodies stacked together, a plurality of air curtain devices are arranged on the outer surfaces of the two steel casing bodies, and each air curtain device comprises two side protection steel plates fixedly connected to the side faces of the corresponding steel casing body. A plurality of adjusting type fixing pipe clamps are connected between the two side protection steel plates, sleeve valve pipes are connected among the adjusting type fixing pipe clamps, and a plurality of air outlet holes are formed in the sleeve valve pipes. The air curtain device is arranged on the peripheral side of the steel casing main body, an air curtain can be formed between the steel casing main body and the soil by conveying compressed gas to the sleeve valve pipe, the friction resistance between the steel casing main body and the soil can be reduced, and therefore the pulling-out process is simplified, and the construction efficiency is improved; the air flow of the air curtain rises on the earth surface and is sprayed out, and in combination with the existence of underground water, the soil is actually liquefied, so that the frictional resistance between the steel casing and the soil is obviously reduced.
本申请提供了一种新型外挂式高压空气帷幕钢护筒，包括两个叠放设置在一起的钢护筒主体，两个钢护筒主体的外表面均设置有若干个空气幕装置，空气幕装置包括两个固定连接在钢护筒主体侧面的侧保护钢板，两个侧保护钢板之间连接有若干个调节式固定管夹，且若干个调节式固定管夹之间连接有袖阀管，袖阀管上开设有若干个出气孔。本申请通过在钢护筒主体的外周侧设置空气幕装置，通过向袖阀管输送压缩气体可以在钢护筒主体与土壤之间形成空气幕，能够降低护钢护筒主体与土壤之间的摩阻力，从而简化拔出过程，提高施工效率；气幕的气流上升在地表喷出，结合地下水的存在，实际上使土壤产生液化作用，进而显著降低了钢护筒与土壤之间的摩阻力。
Novel externally-hung high-pressure air curtain steel casing and construction method
The invention provides a novel externally-hung high-pressure air curtain steel casing which comprises two steel casing bodies stacked together, a plurality of air curtain devices are arranged on the outer surfaces of the two steel casing bodies, and each air curtain device comprises two side protection steel plates fixedly connected to the side faces of the corresponding steel casing body. A plurality of adjusting type fixing pipe clamps are connected between the two side protection steel plates, sleeve valve pipes are connected among the adjusting type fixing pipe clamps, and a plurality of air outlet holes are formed in the sleeve valve pipes. The air curtain device is arranged on the peripheral side of the steel casing main body, an air curtain can be formed between the steel casing main body and the soil by conveying compressed gas to the sleeve valve pipe, the friction resistance between the steel casing main body and the soil can be reduced, and therefore the pulling-out process is simplified, and the construction efficiency is improved; the air flow of the air curtain rises on the earth surface and is sprayed out, and in combination with the existence of underground water, the soil is actually liquefied, so that the frictional resistance between the steel casing and the soil is obviously reduced.
本申请提供了一种新型外挂式高压空气帷幕钢护筒，包括两个叠放设置在一起的钢护筒主体，两个钢护筒主体的外表面均设置有若干个空气幕装置，空气幕装置包括两个固定连接在钢护筒主体侧面的侧保护钢板，两个侧保护钢板之间连接有若干个调节式固定管夹，且若干个调节式固定管夹之间连接有袖阀管，袖阀管上开设有若干个出气孔。本申请通过在钢护筒主体的外周侧设置空气幕装置，通过向袖阀管输送压缩气体可以在钢护筒主体与土壤之间形成空气幕，能够降低护钢护筒主体与土壤之间的摩阻力，从而简化拔出过程，提高施工效率；气幕的气流上升在地表喷出，结合地下水的存在，实际上使土壤产生液化作用，进而显著降低了钢护筒与土壤之间的摩阻力。
Novel externally-hung high-pressure air curtain steel casing and construction method
一种新型外挂式高压空气帷幕钢护筒及施工方法
LI MIAO (author) / WANG YAFENG (author) / ZHAO TONGLIANG (author) / ZHANG MINGYANG (author) / WANG BINGZHU (author) / WANG KAIXIN (author) / ZHANG JIAN (author) / XU HAO (author) / LI ZHE (author) / ZHAO RUIXIN (author)
2024-09-06
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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