CN-121992961-A - Water buoyancy displacement method

CN121992961ACN 121992961 ACN121992961 ACN 121992961ACN-121992961-A

Abstract

The invention discloses a water buoyancy displacement method, which is characterized in that an existing building is jacked up at an original place, a displacement ship is newly built at the bottom of the existing building at the original place, the existing building is fixed with the newly built displacement ship, after the water level rises to a designed water level, the displacement ship carrying the existing building is pulled from the original place to a new place by a traction power boat, a new place foundation is newly built below the displacement ship at the new place, the displacement ship is fixed on the newly built foundation, an upper building is initially fixed, a steel sheet pile cofferdam is built at the new place, drainage treatment is carried out, and after the water in the steel sheet pile cofferdam is drained, the displacement ship is removed, so that the connection between the upper building and the new foundation is enhanced. The construction method is suitable for displacement engineering with large filling along the way and abundant peripheral water resources, and the displaced existing building has light weight, and the novel displacement method can be popularized and used.

Inventors

GAO ZUOPING
TAN XINGZHOU
LIU CHUNNIAN
WU BO

Assignees

武汉巨成结构集团股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260306

Claims (3)

1. The water buoyancy displacement method is characterized by comprising the following steps of: Pouring an upper tray beam at the bottom of an existing building and installing a steel slideway; step two, installing group control synchronous jacking equipment such as jacks and the like; Step three, jacking up the existing building to a proper height so as to facilitate the subsequent manufacturing of the shift ship, and dismantling all jacking equipment; step four, installing a ship bottom plate of the shift ship at the bottom of the designed pallet beam; Step five, manufacturing a shift ship at the existing building site; cutting off the concrete filled steel tubular column at the bottom before the water level starts to rise; Step seven, after the water level rises to a certain height, the shift boat starts to float; step eight, the shift boat rises to the designed water level along with the water level; step nine, adopting a power boat to pull a shift boat carrying the existing building to a new site; step ten, after a foundation is poured at a new site and is preliminarily fixed with an upper building, a steel sheet pile cofferdam is built and drainage treatment is carried out; step eleven, removing the steel sheet pile cofferdam after draining the water in the new site steel sheet pile cofferdam; In the first step, the sections of the tray beam and the steel slide way and the arrangement scheme need to pass through structural calculation; the group control synchronous jacking equipment and the related technology in the second step have independent property rights; the jacking height in the third step is required to meet the traffic demand; The weight of the upper building is calculated in the fourth step and the fifth step, the weight of the shifting ship is considered, the shifting ship body is designed, the gravity center of the building coincides with the ship center of the shifting ship, the stability of the shifting ship is higher than that of the upper structure of the existing building, and the upper structure of the existing building is required to be fixed with the shifting ship through a cable; in the step six, before the water level rises, obstacles which possibly influence the passing along the displacement ship and the traction power boat need to be removed, and masts in the traction power boat are connected with the existing buildings in the displacement ship through cables; the water level in the seventh step and the eighth step is still water in the rising process, so that the shifting ship is prevented from flowing along with the water; In the step nine, the speed of the traction power boat and the displacement boat needs to be controlled in the running process, so that the risk of overturning caused by jolt of an upper building is avoided; fixing the shifting ship after pouring of the new site foundation is completed in the step ten, so that the upper building can be conveniently in butt joint with the new site foundation; and in the step eleven, the cofferdam earthwork is transported to the front of the new site to fill a new square.
2. A water buoyancy displacement method as claimed in claim 1, wherein the existing building with the column foot cut off floats upwards by water buoyancy, and the characteristic of small friction force of an object moving in water is fully utilized, and the displacement of the existing building is realized by providing small traction force by a traction power boat.
3. The method of claim 1, wherein the water level is controlled to replace the translational track in the conventional displacement engineering without considering the bearing capacity of foundation soil.

Description

Water buoyancy displacement method Technical Field The invention relates to the technical field of displacement of existing buildings, in particular to a water buoyancy displacement method. Background With the comprehensive spreading of the construction of the national water network, the implementation of the national flood control engineering, major diversion engineering (such as the downstream water and electricity engineering of the Yalu Tibetan river), major water conservancy channel and major inner land canal engineering (such as the inland canal, the Zhejiang Guangdong canal, the Hunan and Guangxi canal, the Jinghan canal and the Jianghuai canal) and the like is carried out, and a large number of existing buildings are dismantled or shifted according to the importance of the major water conservancy engineering red lines. The displacement of the existing building can fully utilize peripheral water resources, and a water buoyancy displacement method is particularly researched, so that the construction method is convenient to implement and has a wide application prospect. Disclosure of Invention The invention aims at the shift engineering with abundant peripheral water resources and larger translational route filling, and adopts a method for shifting the existing building by utilizing water buoyancy. In order to achieve the purpose, the technical scheme of the invention is that the water buoyancy displacement method is utilized, and the translation method is characterized by comprising the following steps: Pouring an upper tray beam at the bottom of an existing building and installing a steel slideway; step two, installing group control synchronous jacking equipment such as jacks and the like; Step three, jacking up the existing building to a proper height so as to facilitate the subsequent manufacturing of the shift ship, and dismantling all jacking equipment; step four, installing a ship bottom plate of the shift ship at the bottom of the designed pallet beam; Step five, manufacturing a shift ship at the existing building site; cutting off the concrete filled steel tubular column at the bottom before the water level starts to rise; Step seven, after the water level rises to a certain height, the shift boat starts to float; step eight, the shift boat rises to the designed water level along with the water level; step nine, adopting a power boat to pull a shift boat carrying the existing building to a new site; step ten, after a foundation is poured at a new site and is preliminarily fixed with an upper building, a steel sheet pile cofferdam is built and drainage treatment is carried out; and step eleven, removing the steel sheet pile cofferdam after draining the water in the new site steel sheet pile cofferdam. In the first step, the sections of the tray beam and the steel slide way and the arrangement scheme need to pass through structural calculation; the group control synchronous jacking equipment and the related technology in the second step have independent property rights. And in the third step, the jacking height needs to meet the traffic demand. And in the fourth step and the fifth step, the weight of the upper building is calculated, the weight of the shifting ship is considered, the shifting ship body is designed, the gravity center of the building coincides with the ship center of the shifting ship, the stability of the shifting ship is higher than that of the upper structure of the existing building, and the upper structure of the existing building is fixed with the shifting ship through a cable. In the sixth step, obstacles which possibly influence traffic along the displacement ship and the traction power boat are removed before the water level rises, and masts in the traction power boat are connected with existing buildings in the displacement ship through cables. And step seven and step eight, the water level rising process is still water, so that the shifting ship is prevented from flowing along with the water. In the step nine, the speed of the traction power boat and the displacement boat needs to be controlled in the running process, so that the risk of overturning caused by jolt of an upper building is avoided. And in the step ten, after the pouring of the new foundation is completed, the shift ship is fixed, so that the upper building can be conveniently in butt joint with the new foundation of the new site. And in the step eleven, the cofferdam earthwork is transported to the front of the new site to fill a new square. The water buoyancy displacement method has the following beneficial effects: The invention discloses a water buoyancy displacement method, which is characterized in that an existing building is jacked up at an original place, a displacement ship is newly built at the bottom of the existing building at the original place, the existing building is fixed with the newly built displacement ship, after the water level rises to a designed water level, the displacement ship