Clamping rail type pipe jacking construction method for displacement of object attached with foundation and soil

Abstract

The invention discloses a clamping rail type pipe jacking construction method for displacement of an object with a foundation and soil. When an object with a foundation and soil moves, rail clamping of a jacking pipe is achieved through H-shaped steel and angle steel, a reinforced concrete tray beam and a bracket are poured at the two ends of a rail clamping type jacking pipe group, force is transferred to the reinforced concrete tray beam, a horizontal rail is poured in the moving direction, and translation of the object with the foundation and the soil is achieved by pushing the bracket. A fixed sealing steel plate slightly smaller than the inner diameter of the jacking pipe is adopted at the end point to abut against soil in the inner diameter of the jacking pipe, a steel pipe support and a jack are installed outside the fixed sealing steel plate to push a movable steel beam and circularly loosen and tighten bolts of finish rolling deformed steel bars, the jacking pipe is pulled out, and the soil in the inner diameter of the jacking pipe is reserved at the bottom of a foundation in the form of undisturbed soil. The construction method can effectively improve the survival of ancient and famous trees or the safety of buildings (structures), conforms to the dual-carbon economy, and can be popularized and used in a large range.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building, ancient building and large ancient tree and famous tree relocation, and particularly relates to a rail clamping type pipe jacking method for object relocation with foundation and soil. BACKGROUND

[0002] The object with foundation and soil in the present application mainly includes building, ancient building and ancient tree and famous tree. With the implementation of the Protection Regulations for Ancient Trees and Famous Trees on March 15, 2025 and the further improvement of the current urban and rural planning and infrastructure in China, many objects with foundation and soil will be relocated for planning. The objects with foundation and soil are large and heavy, and the cost of hoisting is high, so the relocation of the objects with foundation and soil by translation is more and more common. Therefore, a rail clamping type pipe jacking method for object relocation with foundation and soil is studied, which can achieve accurate pipe jacking, is safe and reliable, is convenient for construction, can reduce the engineering quantity of underground operation and has a wide application prospect. SUMMARY

[0003] The present application aims to provide a solution for jacking the object with foundation and soil during the relocation of the object with foundation and soil, and the solution is a rail clamping type pipe jacking method for object relocation with foundation and soil, which can achieve accurate pipe jacking, is safe and reliable, is convenient for construction and can reduce the engineering quantity of underground operation.

[0004] To achieve the above-mentioned purpose, the technical solution of the present application is as follows: a rail clamping type pipe jacking method for object relocation with foundation and soil, characterized by comprising the following steps:

[0005] Step one, excavate the earthwork of the operation space slope, the translation direction and the operation space needing pipe jacking near the bottom of the object with foundation and soil, and excavate a space with a triangular wedge-shaped cross section along the translation direction for pouring the reinforced concrete translation track;

[0006] Step two, waterproof cloth, steel plate and steel cable are wrapped around the soil at the bottom of the excavated object;

[0007] Step three, pour the counterforce wall for pipe jacking construction and the reinforced concrete track for translation, and pre-bury the pre-buried part for lengthening the jack steel support;

[0008] Step four, install the pipe jacking, install the rail clamping H-shaped steel and rail clamping angle steel outside the pipe jacking, the connection mode is bolt connection, and install the H-shaped steel for fixing the guide angle steel, the H-shaped steel is fixed on the hardened floor, the guide angle steel and the H-shaped steel are bolted, the first pipe jacking is in place, the guide angle steel and the H-shaped steel are leveled to make the guide accurate;

[0009] Step 5: Install jacks and support beams, and use a synchronous jacking control system for pipe jacking;

[0010] Step 6: After each stroke of the jack, extend the steel support. Repeat the jacking and extending of the steel support until the jacking pipe reaches the designed position.

[0011] Step 7: Push adjacent jacking pipes in sequence. The angle steel for the rails is bolted to the jacking pipes, and the angle steels on the same side are connected by fillet welds. Continue the construction of adjacent jacking pipes in a cycle until all jacking pipes are pushed.

[0012] Step 8: Cast reinforced concrete tray beams and corbels at both ends of the pipe jacking group, and use continuous jacking technology to jack to the end point;

[0013] Step 9: Install a jacking pipe sealing steel plate with a diameter slightly smaller than the inner diameter of the jacking pipe. Install support steel columns on the jacking pipe sealing steel plate to fix the steel plate and hold the soil inside the inner diameter of the jacking pipe. The steel columns are spaced at certain intervals with crossbeams and horizontal supports. The steel columns are connected to the reaction wall at the new site through embedded parts.

[0014] Step 10: Weld precision-rolled threaded steel bars to the jacking pipe, and install movable I-beams near the crossbeams and horizontal supports. Install jacks between the crossbeams, horizontal supports, and movable I-beams. By repeatedly pushing the movable I-beams and loosening and tightening the precision-rolled threaded steel bar nuts, the jacking pipe can be pulled out, and the soil within the inner diameter of the jacking pipe will remain in its original state under the foundation.

[0015] The rail-mounted pipe jacking method for object relocation with attached foundation and soil involved in this invention has the following beneficial effects:

[0016] This invention discloses a track-type pipe jacking method for relocating objects with attached foundations and soil. The method involves constructing track-type pipe jacking at the bottom of the object with attached foundations and soil, and casting reinforced concrete support beams and corbels at both ends of the track-type pipe jacking group. The object with attached foundations and soil is then moved horizontally by jacking these reinforced concrete support beams and corbels. This construction method allows for precise pipe jacking, improving the survival rate of ancient and famous trees or the safety of buildings and structures. The reinforced concrete support beams and corbels at both ends of the track-type pipe jacking group cleverly apply horizontal forces to achieve the horizontal movement of the object with attached foundations and soil. This method is safe, reliable, and convenient to construct, reducing the amount of underground work and effectively improving the survival rate of ancient and famous trees or the safety of buildings and structures, thus having broad application prospects. Attached Figure Description

[0017] 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.

[0018] Figure 1 This is a schematic diagram of the rail-mounted pipe jacking method disclosed in this invention;

[0019] Figure 2 This is the cross-section of the first rail-mounted jacking pipe disclosed in this invention;

[0020] Figure 3 This is a schematic diagram of the pipe jacking guide device disclosed in this invention;

[0021] Figure 4 This is a schematic diagram of the pipe jacking device disclosed in this invention;

[0022] Figure 5 This is a schematic diagram of the connection between adjacent jacking pipes in the rail-type jacking pipe disclosed in this invention;

[0023] Figure 6 This is a plan view of the rail-mounted pipe jacking method for translating an object with a foundation and soil, as disclosed in this invention.

[0024] Figure 7 This is a cross-sectional schematic diagram of the track-type pipe jacking method for translating an object with a foundation and soil, as disclosed in this invention.

[0025] Figure 8 , Figure 9 , Figure 10 , Figure 11 This is a schematic diagram of the different states of the pipe pulling out as disclosed in this invention. Detailed Implementation

[0026] 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.

[0027] 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.

[0028] Step 1: Near the bottom of the object 1 with foundation and soil, excavate the earthwork of the operating space slope 2, the translation direction and the operating space that needs to be jacked, and excavate the space 3 with a triangular wedge cross-section along the translation direction for pouring reinforced concrete translation track 4.

[0029] Step 2: Wrap the soil at the bottom of the excavated object with waterproof cloth, steel plate and steel cable 5;

[0030] Step 3: Pour the reaction wall 6 for pipe jacking construction and the reinforced concrete track 4 for translation, and pre-embed the embedded parts 8 for extending the steel support 7 of the jack;

[0031] Step 4: Install the jacking pipe 9. Install the rail-clamping I-beam 11 and rail-clamping angle steel 16 on the outside of the jacking pipe 9. The connection method is bolt 12. Install the I-beam 10 for fixing the guide angle steel 19. The I-beam 10 is fixed on the hardened ground 21. The guide angle steel 19 and the I-beam 10 are connected by bolt 16. The first jacking pipe 9 in the middle is in place. Level the guide angle steel and the I-beam to make its guidance accurate.

[0032] Step 5: Install jacks 13 and support beams 14, and use a synchronous jacking control system to jack the pipe;

[0033] Step 6: After each stroke of the jack 13, connect the long steel support 7. Repeat the jacking and connecting of the long steel support 7 until the jacking pipe reaches the design position.

[0034] Step 7: Push the adjacent jacking pipes 15 in sequence. The angle steel 16 is bolted to the jacking pipe 15. The angle steels 16 on the same side are connected by fillet welds. Continue the construction of adjacent jacking pipes in a cycle until all jacking pipes are pushed.

[0035] Step 8: Cast reinforced concrete tray beams 17 and corbels 18 at both ends of the pipe jacking group, and use continuous jacking technology to jack to the end point;

[0036] Step 9: Install a jacking pipe sealing steel plate 21 with a diameter slightly smaller than the inner diameter of the jacking pipe. Install support steel columns 24 on the jacking pipe sealing steel plate 21 to fix the steel plate 21 and hold the soil inside the inner diameter of the jacking pipe. The steel columns 24 are spaced at certain intervals by crossbeams 22 and horizontal supports 23. The steel columns 24 are connected to the reaction wall 6 at the new site through embedded parts.

[0037] Step 10: Weld the precision-rolled threaded steel 26 to the jacking pipe 9 (15), and install the movable I-beam 25 near the crossbeam 22 and the horizontal support 23. Install the jack 13 between the crossbeam 22, the horizontal support 23 and the movable I-beam 25. By repeatedly pushing the movable I-beam 25 and loosening and tightening the precision-rolled threaded steel nut, the jacking pipe 9 (15) is pulled out, and the soil within the inner diameter of the jacking pipe remains in the foundation in the form of undisturbed soil.

[0038] 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 rail-mounted pipe jacking method for relocating objects with attached foundations and soil, characterized in that, The method includes the following steps: Step 1: Near the bottom of the object with attached foundation and soil, excavate the earthwork for the operating space slope, the translation direction, and the operating space that requires pipe jacking. Excavate a space with a triangular wedge-shaped cross-section along the translation direction for pouring reinforced concrete translation tracks. Step 2: Wrap the soil at the bottom of the excavated object with waterproof cloth, steel plate and steel cable; Step 3: Pour the reaction wall for pipe jacking construction and the reinforced concrete track for translation, and pre-embed the embedded parts for extending the steel support of the jacks; Step 4: Install the jacking pipe. Install the rail-clamping I-beams and rail-clamping angle steels on the outside of the jacking pipes. The connection method is bolt connection. Install the I-beams used to fix the guide angle steels. The I-beams are fixed on the hardened ground. The guide angle steels are bolted to the I-beams. The first jacking pipe in the middle is in place. Level the guide angle steels and I-beams to make their guidance accurate. Step 5: Install jacks and support beams, and use a synchronous jacking control system for pipe jacking; Step 6: After each stroke of the jack, extend the steel support. Repeat the jacking and extending of the steel support until the jacking pipe reaches the designed position. Step 7: Push adjacent jacking pipes in sequence. The angle steel for the rails is bolted to the jacking pipes, and the angle steels on the same side are connected by fillet welds. Continue the construction of adjacent jacking pipes in a cycle until all jacking pipes are pushed. Step 8: Cast reinforced concrete tray beams and corbels at both ends of the pipe jacking group, and use continuous jacking technology to jack to the end point; Step 9: Install a jacking pipe sealing steel plate with a diameter slightly smaller than the inner diameter of the jacking pipe. Install support steel columns on the jacking pipe sealing steel plate to fix the steel plate and hold the soil inside the inner diameter of the jacking pipe. The steel columns are spaced at certain intervals with crossbeams and horizontal supports. The steel columns are connected to the reaction wall at the new site through embedded parts. Step 10: Weld precision-rolled threaded steel bars to the jacking pipe, and install movable I-beams near the crossbeams and horizontal supports. Install jacks between the crossbeams, horizontal supports, and movable I-beams. By repeatedly pushing the movable I-beams and loosening and tightening the precision-rolled threaded steel bar nuts, the jacking pipe can be pulled out, and the soil within the inner diameter of the jacking pipe will remain in its original state under the foundation.

2. The rail-mounted pipe jacking method for object relocation with attached foundation and soil as described in claim 1, characterized in that: The method involves using pipe jacking to transfer the bottom foundation, soil, and upper load of an object with a foundation and soil to the pipe jacking area. A reinforced concrete pallet beam is then poured at the end of the pipe jacking to transfer the load to the pallet beam. The rail-mounted pipe jacking uses H-beams and angle steel to achieve rail-mounted limiting and guide supports for the pipe jacking, enabling precise jacking of the pipe in the jacking direction.

3. The rail-mounted pipe jacking method for object relocation with attached foundation and soil as described in claim 1, characterized in that: A horizontal track is poured in the direction of the object's displacement, which includes the foundation and soil. The object is then precisely moved along the track.

4. The rail-mounted pipe jacking method for object relocation with attached foundation and soil as described in claim 1, characterized in that: After the object with its foundation and soil is moved to the end point, a fixed sealing steel pipe support and jacks are used on the outside of the jacking pipe to push the movable steel beam, and the bolts of the precision-rolled threaded steel are loosened and tightened in a cyclic manner to pull out the jacking pipe. This ensures that the soil at the bottom of the object is the original soil, which can effectively improve the survival rate of ancient and famous trees or the safety of buildings (structures).

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