Water buoyancy shifting method

Abstract

According to the water buoyancy shifting method, an existing building is jacked upwards at the original site, a shifting ship is newly built at the bottom of the existing building at the original site, the existing building and the newly built shifting ship are fixed, and after the water level rises to the designed water level, the shifting ship loaded with the existing building is pulled from the original site to the new site through a traction power boat; a new site foundation is newly built below the displacement ship at the new site, the displacement ship is fixed to the newly-built foundation, the upper building is preliminarily fixed, a steel sheet pile cofferdam is built at the new site, drainage treatment is conducted, and after water in the steel sheet pile cofferdam is drained, the displacement ship is dismantled, and connection between the upper building and the newly-built foundation is reinforced. The construction method is suitable for displacement engineering with large fill along the way, rich surrounding water resources and light weight of the displaced existing building, and the novel displacement method can be popularized and used.

Description

Technical Field

[0001] This invention relates to the field of relocation technology for existing buildings, and specifically to a water buoyancy relocation method. Background Technology

[0002] With the comprehensive rollout of the national water network construction, and the implementation of national flood control projects, major water diversion projects (such as the Yarlung Tsangpo River downstream hydropower project), major water conservancy and navigation projects, and major inland canal projects (such as the Pinglu Canal, the Zhejiang-Jiangxi-Guangdong Canal, the Hunan-Guangxi Canal, the Jinghan Canal, and the Jianghuai Canal), a large number of existing buildings located within the red lines of major water conservancy projects are being demolished or relocated based on their importance. Considering that the relocation of such existing buildings can fully utilize surrounding water resources, a buoyancy-based relocation method has been developed. This construction method is relatively easy to implement and has broad application prospects. Summary of the Invention

[0003] The purpose of this invention is to provide a method for relocating existing buildings using buoyancy, specifically for relocation projects involving abundant surrounding water resources and significant earthwork along the relocation route. To achieve this objective, the technical solution of this invention is: a relocation method utilizing buoyancy, characterized by the following steps during relocation: Step 1: Pour a pallet beam at the bottom of the existing building and install a steel slide rail; Step 2: Install jacks and other group-controlled synchronous lifting equipment; Step 3: Lift the existing building to a suitable height to facilitate the subsequent manufacture of the transfer vessel, and dismantle all lifting equipment; Step 4: Install the bottom plate of the displacement boat at the bottom of the designed pallet beam; Step 5: Construct a displacement vessel at the original site of the existing building; Step 6: Cut off the bottom steel-concrete column before the water level begins to rise; Step 7: After the water level rises to a certain height, the transfer vessel begins to float. Step 8: The transfer vessel rises with the water level to the design water level; Step 9: Use a powered small boat to tow the relocation vessel carrying the existing building to the new site; Step 10: After the foundation and superstructure are initially fixed at the new site, construct a steel sheet pile cofferdam and carry out drainage treatment. Step 11: After the water inside the new steel sheet pile cofferdam is drained, dismantle the steel sheet pile cofferdam.

[0004] In step one, the cross-section and layout of the pallet beam and steel slide rail must be approved by structural calculations. The group-controlled synchronous lifting equipment and related technologies used in step two have independent intellectual property rights.

[0005] In step three, the lifting height must meet the passage requirements.

[0006] In steps four and five, the weight of the superstructure must be calculated, and the weight of the transfer vessel must be taken into account. The hull of the transfer vessel must be designed, and the center of gravity of the building must coincide with the center of gravity of the transfer vessel. The center of gravity of the transfer vessel must be higher than the center of gravity of the existing superstructure. The existing superstructure must be fixed to the transfer vessel by cables.

[0007] In step six, before the water level rises, obstacles that may affect passage along the route of the transfer vessel and the traction power boat must be removed. The mast of the traction power boat is connected to the existing structure in the transfer vessel via a cable.

[0008] The water level should rise during steps seven and eight in still water to prevent the displaced vessel from drifting with the current.

[0009] In step nine, the speed of the traction-powered boat and the transfer boat must be controlled during their journey to ensure that the superstructure does not tilt and risk capsizing.

[0010] In step ten, after the foundation of the new site is poured, the moving vessel will be fixed to facilitate the connection between the superstructure and the newly built foundation at the new site.

[0011] During the translation process, step eleven involves transporting the excavated soil from the cofferdam to the front of the new site to fill in the newly constructed plaza.

[0012] The buoyancy displacement method involved in this invention has the following beneficial effects: This invention discloses a buoyancy-based relocation method. The method involves lifting an existing building upwards from its original location, constructing a new relocation vessel at the base of the existing building, and securing the existing building to the new vessel. Once the water level reaches the design level, a small, traction-powered boat pulls the relocation vessel carrying the existing building from the original site to the new site. A new foundation is constructed beneath the relocation vessel at the new site, and the relocation vessel is fixed to this foundation. The superstructure is then initially secured. A sheet pile cofferdam is built at the new site, and drainage is implemented. After the water within the cofferdam is drained, the relocation vessel is dismantled, and the connection between the superstructure and the new foundation is strengthened. This construction method is suitable for relocation projects involving large fill operations along the route, abundant surrounding water resources, and lightweight existing buildings. This novel relocation method can be widely adopted. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a simplified diagram of the buoyancy displacement method. Detailed Implementation

[0015] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0016] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described below with reference to the accompanying drawings.

[0017] Step 1: Cast the pallet beam 2 at the bottom of the existing building 1 and install the steel slide. The cross-section and layout of the pallet beam 2 and the steel slide must be approved by structural calculation. Step 2: Install jacks and other group-controlled synchronous lifting equipment with independent intellectual property rights; Step 3: Calculate the weight of the superstructure of the existing building 1, and take into account the weight of the transfer vessel 3. Design the hull of the transfer vessel 3, and make the center of gravity of the superstructure coincide with the center of gravity of the transfer vessel 3. Then, lift the existing building 1 upward to a suitable height to facilitate the subsequent manufacturing of the transfer vessel 3. Step 4: Install the bottom plate 4 of the displacement boat 3 at the bottom of the designed pallet beam 2; Step 5: Construct the displacement vessel 3 at the original site of the existing building 1. Design the vessel before construction. The center of gravity of the displacement vessel 3 is higher than the center of gravity of the superstructure of the existing building 1. The superstructure of the existing building 1 must be fixed to the displacement vessel 3 by cables 5. Step 6: Before the water level rises, obstacles that may affect passage along the way of the transfer vessel 3 and the traction power boat 6 must be removed. The mast 7 in the traction power boat 6 is connected to the superstructure of the existing building 1 in the transfer vessel 3 via cable 5. Step 7: After the water level 8 rises to a certain height, the displacement vessel 3 begins to float. Step 8: The transfer vessel 3 rises with the water level 8 to the design water level; Step 9: Use a tractor-powered boat 6 to tow the transfer vessel 3 carrying the existing building 1 to the new site. During the journey, the speed of the tractor-powered boat 6 and the transfer vessel 3 must be controlled to ensure that the superstructure of the existing building 1 does not tilt and risk overturning. Step 10: After the foundation of the new site is poured, fix the displacement vessel 3 to facilitate the connection between the superstructure of the existing building 1 and the newly built foundation at the new site. Construct a steel sheet pile cofferdam 9 and carry out drainage treatment. Step 11: After the water inside the steel sheet pile cofferdam 9 at the new site is drained, the steel sheet pile cofferdam 9 is dismantled, and the excavated soil from the cofferdam is transported to the front of the new site to fill the newly built plaza.

[0018] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. However, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A water buoyancy displacement method, characterized in that the translation includes the following steps: Step 1: Pour a pallet beam at the bottom of the existing building and install a steel slide rail; Step 2: Install jacks and other group-controlled synchronous lifting equipment; Step 3: Lift the existing building to a suitable height to facilitate the subsequent manufacture of the transfer vessel, and dismantle all lifting equipment; Step 4: Install the bottom plate of the displacement boat at the bottom of the designed pallet beam; Step 5: Construct a displacement vessel at the original site of the existing building; Step 6: Cut off the bottom steel-concrete column before the water level begins to rise; Step 7: After the water level rises to a certain height, the transfer vessel begins to float. Step 8: The transfer vessel rises with the water level to the design water level; Step 9: Use a powered small boat to tow the relocation vessel carrying the existing building to the new site; Step 10: After the foundation and superstructure are initially fixed at the new site, construct a steel sheet pile cofferdam and carry out drainage treatment. Step 11: After the water inside the new steel sheet pile cofferdam is drained, dismantle the steel sheet pile cofferdam. In step one, the cross-section and layout of the pallet beam and steel slide rail must be approved by structural calculations. The group-controlled synchronous lifting equipment and related technologies in step two have independent intellectual property rights. The lifting height in step three must meet the passage requirements; In steps four and five, the weight of the superstructure needs to be calculated, and the weight of the transfer vessel needs to be taken into account. The hull of the transfer vessel should be designed, and the center of gravity of the building should coincide with the center of gravity of the transfer vessel. The center of gravity of the transfer vessel should be higher than the center of gravity of the existing superstructure. The existing superstructure should be fixed to the transfer vessel by cables. In step six, obstacles that may affect passage along the way of the transfer vessel and the traction power boat must be removed before the water level rises. The mast of the traction power boat is connected to the existing building in the transfer vessel by a cable. The water level should rise during steps seven and eight in still water to prevent the displaced vessel from drifting with the water. In step nine, the speed of the traction-powered boat and the transfer boat must be controlled during the journey to ensure that the superstructure does not tilt and risk capsizing. In step ten, after the foundation of the new site is poured, the moving vessel will be fixed to facilitate the connection between the superstructure and the newly built foundation at the new site. During the translation process, step eleven involves transporting the excavated soil from the cofferdam to the front of the new site to fill in the newly constructed plaza.

2. The buoyancy displacement method as described in claim 1, characterized in that: The existing building with its cut column base is lifted upwards by using water buoyancy, and the low friction of objects moving in water is fully utilized to move the existing building by using a small traction boat.

3. The buoyancy displacement method as described in claim 1, characterized in that: By controlling the water surface area and water level, water can be used instead of the translation track in traditional relocation projects, and there is no need to consider the bearing capacity of the foundation soil.

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