Supporting structure for construction of tower column under large dip angle and construction method of supporting structure

Abstract

The invention discloses a supporting structure for large-dip-angle lower tower column construction and a construction method thereof, and relates to the technical field of constructional engineering.The supporting structure comprises a pier base, a first support and a second support are connected to the two sides of the top of the pier base, a grommet is fixed to the interior of the first support, and a transverse pulling steel cable is connected to one side of the grommet; the middle of the top of the pier base is connected with a steel frame beam through steel frame columns. Through the arrangement of the first support, the second support, the grommet and the transverse pulling steel cable, a worker places the first support and the second support on the pier base through a tower crane and fastens the first support and the second support through bolts, and other first supports and second supports are built on the tops of the first support and the second support; the lower tower column mold is divided into a plurality of parts which are fixed to the multiple first supports and the multiple second supports correspondingly, so that a worker can build the lower tower column mold while building the first supports and the second supports through a tower crane; the structure strength is high, the outwards-inclined lower tower column mold is effectively prevented from toppling over, and cost is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of building engineering, in particular to a support structure for construction of a large-angle lower tower column and a construction method thereof. Background Art

[0002] A pylon is a tall structure erected in a cable-stayed bridge and a suspension bridge to support the stays or cables. A pylon is usually divided into two parts, the upper pylon is mainly used to install steel cables to hold the bridge deck, and the lower pylon is mainly used to support the bridge deck. Thunder is caused by the bridge piers.

[0003] The existing large-angle lower tower columns are mainly of outward-inclined and inward-inclined types. The existing large-angle lower tower column construction support structure is mainly composed of steel structures such as steel columns, steel beams, and Bailey frames. A tensile force is applied to the outward-inclined tower column. The support structure is usually located on the inner side of the tower column, with a small connection point and a small force applied to the outer side of the tower column. The outward force of the tower column is all supported by the steel structure, which requires a high strength of the steel structure, resulting in the need to use high-strength steel to make the steel structure and a large number of steel structures. The shape of each bridge is different, resulting in a different shape of the lower tower column, and then a different shape of the support structure. The subsequent support structure needs to be recycled and reprocessed, which is difficult to reuse, resulting in very high costs. Summary of the invention

[0004] Based on this, the purpose of the present invention is to provide a support structure for the construction of a large-angle lower tower column and a construction method thereof, so as to solve the technical problems mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a support structure for the construction of a large-angle lower tower column, comprising a pier seat, wherein a first bracket and a second bracket are connected to both sides of the top of the pier seat, a cable ring is fixed inside the first bracket, and a horizontal steel cable is connected to one side of the cable ring; a steel frame beam is connected to the middle of the top of the pier seat through a steel frame column, and the outer surface of the steel frame column is respectively connected to a first cable frame and a second cable frame.

[0006] By adopting the above technical solution, the staff first builds the steel frame column on the top of the pier seat through the tower crane, and first builds a layer of steel frame beams. The construction method is to fasten the steel frame column and the steel frame beam through bolts, angle steels and other traditional fastening structures used for limiting steel structures, so that the subsequent staff can lay a passage on the steel frame beam through the tower crane to walk and install the first bracket, the second bracket and the lower tower column mold; the staff places the first bracket and the second bracket on the pier seat through the tower crane and fastens them by bolts, and builds other first brackets and second brackets on the top of the first bracket and the second bracket, and the lower tower column mold is divided into multiple parts and fixed with multiple first brackets and second brackets respectively, so that the staff can build the lower tower column mold while building the first bracket and the second bracket through the tower crane; as the first bracket and the second bracket are built, the staff also uses the tower crane to install the steel frame beam. The first bracket, the second bracket and the lower tower column mold are then constructed to facilitate subsequent staff to lay a passage on the steel frame beam to walk and install the first bracket, the second bracket and the lower tower column mold. At the same time, the staff will connect the inclined steel cables to the steel frame beam and the ground respectively; the staff will pass the transverse steel cables through the cable rings, and use the transverse steel cables to enable the first brackets on both sides of the steel frame column and the steel frame beam to pull each other to avoid the first bracket, the second bracket and the lower tower column mold from tipping over due to excessive inclination. After that, the first cable frame and the second cable frame are combined and sleeved on the outside of the steel frame column and the transverse steel cables, and the bolts are tightened to limit the first cable frame and the second cable frame together, which can enable the first bracket, the second bracket and the steel frame column to share the force in the front and rear directions, reduce the possibility of the first bracket and the second bracket tipping over and over, and cooperate with the inclined steel cables to hold the steel frame column and the steel frame beam to avoid the steel frame column and the steel frame beam from tipping over and over again due to the influence of the transverse steel cables.

[0007] Furthermore, the first bracket and the second bracket are detachably connected via bolts.

[0008] By adopting the above technical solution, the staff places the first bracket and the second bracket on the pier by using a tower crane and fastens them with bolts, and builds other first brackets and second brackets on top of the first bracket and the second bracket.

[0009] Furthermore, the first bracket and the second bracket are both provided in plurality, and the plurality of the first brackets and the plurality of the second brackets are detachably connected by bolts.

[0010] By adopting the above technical solution, the staff places the first bracket and the second bracket on the pier through the tower crane and fastens them with bolts, and builds other first brackets and second brackets on top of the first bracket and the second bracket, and the lower tower column mold is divided into multiple parts and is respectively fixed to multiple first brackets and second brackets, so that the staff can build the lower tower column mold while building the first bracket and the second bracket through the tower crane.

[0011] Furthermore, the eyelets and transverse steel cables are provided in plurality, and the transverse steel cables are distributed in parallel.

[0012] By adopting the above technical solution, the staff will pass the horizontal steel cable through the cable ring, and use the horizontal steel cable to enable the first brackets on both sides of the steel frame column and the steel frame beam to pull each other, so as to avoid the first bracket, the second bracket and the lower tower column mold from tipping over due to excessive inclination.

[0013] Furthermore, a plurality of the first cable frames and a plurality of the second cable frames are provided, and a plurality of transverse pulling steel cables pass through both sides of the plurality of first cable frames and the second cable frames.

[0014] By adopting the above technical solution, the force in the front-to-back direction can be shared between the first bracket, the second bracket and the steel frame column, thereby reducing the possibility of the first bracket and the second bracket tipping forward and backward.

[0015] Furthermore, the first cable frame and the second cable frame are detachably connected via bolts, and the first cable frame and the second cable frame are detachably connected to the steel frame column.

[0016] By adopting the above technical solution, the first cable frame and the second cable frame are combined and sleeved on the outside of the steel frame column and the transverse tension cable, and the bolts are tightened to limit the first cable frame and the second cable frame together.

[0017] Furthermore, a lower tower column mold is provided between the first bracket and the second bracket.

[0018] By adopting the above technical solution, the lower tower column mold is divided into multiple parts and fixed to multiple first brackets and second brackets respectively, so that when the staff builds the first bracket and the second bracket through the tower crane, they can build the lower tower column mold at the same time, so as to facilitate the subsequent pouring of concrete.

[0019] Furthermore, the steel frame columns and steel frame beams are provided in plurality, and the plurality of steel frame columns are distributed in a rectangular array, and the plurality of steel frame beams are distributed at equal distances.

[0020] By adopting the above technical solution, the staff first builds the steel frame column on the top of the pier through the tower crane, and then builds a layer of steel frame beams. The construction method is to fasten the steel frame column and the steel frame beam through bolts, angle steels and other traditional fastening structures used for limiting steel structures, so that subsequent staff can walk on the steel frame beam through the tower crane to lay a passage to install the first bracket, the second bracket and the lower tower column mold.

[0021] Furthermore, the outer surface and the back of the steel frame beam are both provided with a plurality of inclined steel cables, and the plurality of inclined steel cables are distributed in a mirror-like manner.

[0022] By adopting the above technical solution, the inclined steel cables hold the steel frame columns and steel frame beams, preventing the steel frame columns and steel frame beams from subsequently tipping forward and backward under the influence of the transverse steel cables.

[0023] A support construction method for large-angle lower tower column construction, the specific steps of which are as follows:

[0024] Step 1: The staff first builds the steel frame column on the top of the pier by using a tower crane, and then builds a layer of steel frame beams. The construction method is to fasten the steel frame column and the steel frame beam by bolts, angle steels and other traditional fastening structures used for limiting steel structures, so that the subsequent staff can lay a passage on the steel frame beam by using the tower crane to walk and install the first bracket, the second bracket and the lower tower column mold;

[0025] Step 2: The staff places the first bracket and the second bracket on the pier by means of a tower crane and fastens them by means of bolts, and builds other first brackets and second brackets on top of the first bracket and the second bracket, and the lower tower column mold is divided into multiple parts and respectively fixed to multiple first brackets and second brackets, so that the staff can build the lower tower column mold while building the first bracket and the second bracket by means of a tower crane;

[0026] Step 3: With the construction of the first bracket and the second bracket, the staff also constructs the steel frame beam through the tower crane, so that the subsequent staff can lay a passage on the steel frame beam to install the first bracket, the second bracket and the lower tower column mold. At the same time, the staff connects the inclined steel cables to the steel frame beam and the ground respectively;

[0027] In step 4, the staff passes the transverse steel cable through the cable ring, and uses the transverse steel cable to pull the first brackets on both sides of the steel frame column and the steel frame beam to each other, so as to avoid the first bracket, the second bracket and the lower tower column mold from tipping over due to excessive inclination. Then, the first cable frame and the second cable frame are combined and sleeved on the outside of the steel frame column and the transverse steel cable, and the bolts are tightened to limit the first cable frame and the second cable frame together, so that the force in the front and rear directions can be shared between the first bracket, the second bracket and the steel frame column, reducing the possibility of the first bracket and the second bracket tipping over, and cooperating with the inclined steel cable to pull the steel frame column and the steel frame beam, so as to avoid the steel frame column and the steel frame beam from tipping over forward and backward due to the influence of the transverse steel cable.

[0028] In summary, the present invention mainly has the following beneficial effects:

[0029] 1. The present invention provides a first bracket, a second bracket, a cable eye and a transverse steel cable. A worker places the first bracket and the second bracket on the pier seat by a tower crane and fastens them by bolts. The worker builds other first brackets and second brackets on top of the first bracket and the second bracket. The lower tower column mold is divided into multiple parts and fixed with multiple first brackets and second brackets respectively. Therefore, the worker can build the lower tower column mold while building the first bracket and the second bracket by the tower crane, and it is convenient to support the lower tower column mold later. The worker passes the transverse steel cable through the cable eye, and the first brackets on both sides of the steel frame column and the steel frame beam can be pulled together by the transverse steel cable. The gravity between the two inclined lower tower column molds offsets each other, so as to avoid the first bracket, the second bracket and the lower tower column mold from tipping over due to excessive inclination, and reduce the strength and quantity requirements of the steel frame column and the steel frame beam, so as to reduce the cost. The transverse steel cable can adapt to lower tower column molds, first brackets and second brackets of different shapes, and can be reused, reducing the cost required for recycling and recasting. The high structural strength effectively avoids the tipping over of the outward-inclined lower tower column mold, and reduces the cost.

[0030] 2. The present invention arranges the first cable frame, the second cable frame and the transverse steel cable, and the first cable frame and the second cable frame are combined and sleeved on the outside of the steel frame column and the transverse steel cable, and the bolts are tightened to limit the first cable frame and the second cable frame together, so that the force in the front-to-back direction can be shared between the first bracket, the second bracket and the steel frame column; and the possibility of the first bracket and the second bracket tipping forward and backward can be effectively reduced;

[0031] 3. The present invention uses the arrangement of the inclined steel cables to hold the steel frame columns and the steel frame beams, thereby preventing the steel frame columns and the steel frame beams from subsequently tipping forward and backward under the influence of the horizontal steel cables, thereby further improving stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a structural schematic diagram of the present invention;

[0033] Figure 2 It is a side structural schematic diagram of the present invention;

[0034] Figure 3 is a schematic diagram of the first bracket structure of the present invention;

[0035] Figure 4 is a schematic diagram of the second bracket structure of the present invention;

[0036] Figure 5 It is a schematic diagram of the first cable frame structure of the present invention;

[0037] Figure 6 It is a schematic diagram of the second cable frame structure of the present invention.

[0038] In the figure: 1, pier; 2, lower tower column mold; 3, steel frame column; 4, steel frame beam; 5, inclined steel cable; 6, first cable frame; 7, second cable frame; 8, first bracket; 9, second bracket; 10, cable ring; 11, horizontal steel cable. DETAILED DESCRIPTION

[0039] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0040] The following describes an embodiment of the present invention based on its overall structure.

[0041] Embodiment 1:

[0042] A support structure for the construction of a large-angle lower tower column, such as Figure 1-Figure 5 As shown, it includes a pier seat 1, and both sides of the top of the pier seat 1 are connected with a first bracket 8 and a second bracket 9, the first bracket 8 and the second bracket 9 are detachably connected by bolts, and multiple first brackets 8 and multiple second brackets 9 are provided, and the multiple first brackets 8 and the multiple second brackets 9 are detachably connected by bolts, so as to support the lower tower column mold 2; a grommet 10 is fixed inside the first bracket 8, and a horizontal pull steel cable 11 is connected to one side of the grommet 10, and multiple grommet 10 and horizontal pull steel cables 11 are provided, and multiple horizontal pull steel cables 11 are distributed in parallel, and the first brackets 8 on both sides of the steel frame column 3 and the steel frame beam 4 can be pulled together by the horizontal pull steel cables 11 to avoid the first bracket 8, the second bracket 9 and the lower tower column mold 2 from tipping over due to excessive inclination; the middle of the top of the pier seat 1 is connected to the steel frame beam 4 through the steel frame column 3 , multiple steel frame columns 3 and steel frame beams 4 are provided, multiple steel frame columns 3 are distributed in a rectangular array, multiple steel frame beams 4 are equidistantly distributed, the outer surfaces of the steel frame columns 3 are respectively connected with the first cable frame 6 and the second cable frame 7, multiple first cable frames 6 and second cable frames 7 are provided, multiple transverse steel cables 11 pass through both sides of the multiple first cable frames 6 and second cable frames 7, the first cable frame 6 and the second cable frame 7 are disassembled and connected by bolts, the first cable frame 6 and the second cable frame 7 are disassembled and connected to the steel frame column 3, the first cable frame 6 and the second cable frame 7 are combined and sleeved on the outside of the steel frame column 3 and the transverse steel cable 11, and the bolts are tightened to limit the first cable frame 6 and the second cable frame 7 together, which can make the first bracket 8, the second bracket 9 and the steel frame column 3 share the force in the front and rear directions, and reduce the possibility of the first bracket 8 and the second bracket 9 tipping forward and backward.

[0043] See also Figure 1 and Figure 2 In the above embodiment, a lower tower column mold 2 is provided between the first bracket 8 and the second bracket 9, so as to facilitate the subsequent internal binding of steel bars and pouring of concrete, thereby constructing the lower tower column.

[0044] A support construction method for large-angle lower tower column construction, the specific steps of which are as follows:

[0045] Step 1: The staff first builds the steel frame column 3 on the top of the pier 1 through a tower crane, and first builds a layer of steel frame beam 4. The construction method is to fasten the steel frame column 3 and the steel frame beam 4 through bolts, angle steels and other traditional fastening structures used for limiting steel structures, so that the subsequent staff can lay a passage on the steel frame beam 4 through the tower crane to walk and install the first bracket 8, the second bracket 9 and the lower tower column mold 2;

[0046] Step 2: The staff places the first bracket 8 and the second bracket 9 on the pier 1 by means of a tower crane and fastens them by means of bolts, and builds other first brackets 8 and second brackets 9 on top of the first brackets 8 and second brackets 9. The lower tower column mold 2 is divided into multiple parts and is respectively fixed to multiple first brackets 8 and second brackets 9, so that the staff can build the lower tower column mold 2 while building the first brackets 8 and second brackets 9 by means of a tower crane;

[0047] Step 3: With the construction of the first bracket 8 and the second bracket 9, the staff also constructs the steel frame beam 4 through the tower crane, so that the subsequent staff can lay a passage on the steel frame beam 4 to walk and install the first bracket 8, the second bracket 9 and the lower tower column mold 2;

[0048] In step 4, the staff passes the transverse steel cable 11 through the cable ring 10, and the first brackets 8 on both sides of the steel frame column 3 and the steel frame beam 4 can be pulled together by the transverse steel cable 11 to prevent the first bracket 8, the second bracket 9 and the lower tower column mold 2 from tipping over due to excessive inclination. Then, the first cable frame 6 and the second cable frame 7 are combined and sleeved on the outside of the steel frame column 3 and the transverse steel cable 11, and the bolts are tightened to limit the first cable frame 6 and the second cable frame 7 together, which can share the force in the front and rear directions between the first bracket 8, the second bracket 9 and the steel frame column 3, reducing the possibility of the first bracket 8 and the second bracket 9 tipping over.

[0049] Embodiment 2:

[0050] On the basis of the above-mentioned embodiment 1, in order to further increase the stability, the following settings are now adopted.

[0051] See also Figure 2 In the above embodiment, a plurality of inclined steel cables 5 are arranged on the outer surface and the back of the steel frame beam 4. The plurality of inclined steel cables 5 are distributed in a mirror image to hold the steel frame column 3 and the steel frame beam 4, so as to prevent the steel frame column 3 and the steel frame beam 4 from being subsequently affected by the horizontal steel cables 11 and tilting forward and backward.

[0052] A support construction method for large-angle lower tower column construction, the specific steps of which are as follows:

[0053] Step 1: While constructing the steel frame beam 4, the staff will connect the inclined steel cables 5 to the steel frame beam 4 and the ground respectively, and then distribute the force in the front-to-back direction between the first bracket 8, the second bracket 9 and the steel frame column 3 through the first cable frame 6, the second cable frame 7 and the transverse steel cable 11, so as to reduce the possibility of the first bracket 8 and the second bracket 9 tipping forward and backward, and at the same time, cooperate with the inclined steel cable 5 to hold the steel frame column 3 and the steel frame beam 4, so as to prevent the steel frame column 3 and the steel frame beam 4 from tipping forward and backward under the influence of the transverse steel cable 11.

[0054] Although an embodiment of the present invention has been shown and described, this specific embodiment is only an explanation of the present invention and is not a limitation of the invention. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contribution as needed without departing from the principles and purpose of the present invention. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A support structure for construction of a large-angle lower tower column, comprising a pier (1), characterized in that: The top of the pier seat (1) is connected to a first bracket (8) and a second bracket (9) on both sides; a cable ring (10) is fixed inside the first bracket (8), and a transverse steel cable (11) is connected to one side of the cable ring (10); the top of the pier seat (1) is connected to a steel frame beam (4) through a steel frame column (3), and the outer surface of the steel frame column (3) is respectively connected to a first cable frame (6) and a second cable frame (7).

2. The support structure for construction of a large-angle lower tower column according to claim 1 is characterized in that: The first bracket (8) and the second bracket (9) are detachably connected via bolts.

3. The support structure for construction of a large-angle lower tower column according to claim 2 is characterized in that: A plurality of the first brackets (8) and the second brackets (9) are provided, and the plurality of the first brackets (8) and the plurality of the second brackets (9) are detachably connected by bolts.

4. The support structure for construction of a large-angle lower tower column according to claim 1 is characterized in that: The eyelets (10) and transverse steel cables (11) are both provided in plurality, and the plurality of transverse steel cables (11) are distributed in parallel.

5. The support structure for construction of a large-angle lower tower column according to claim 4 is characterized in that: A plurality of the first cable frames (6) and the second cable frames (7) are provided, and a plurality of transverse steel cables (11) pass through both sides of the plurality of first cable frames (6) and the second cable frames (7).

6. The support structure for construction of a large-angle lower tower column according to claim 5, characterized in that: The first cable frame (6) and the second cable frame (7) are detachably connected via bolts, and the first cable frame (6) and the second cable frame (7) are detachably connected to the steel frame column (3).

7. The support structure for construction of a large-angle lower tower column according to claim 1 is characterized in that: A lower tower column mould (2) is arranged between the first bracket (8) and the second bracket (9).

8. The support structure for construction of a large-angle lower tower column according to claim 1 is characterized in that: The steel frame columns (3) and steel frame beams (4) are both provided in plurality, and the plurality of steel frame columns (3) are distributed in a rectangular array, and the plurality of steel frame beams (4) are distributed at equal distances.

9. The support structure for construction of a large-angle lower tower column according to claim 8, characterized in that: The outer surface and the back of the steel frame beam (4) are both provided with a plurality of inclined steel cables (5), and the plurality of inclined steel cables (5) are distributed in a mirror-like manner.

10. A support construction method for construction of a large-angle lower tower column according to any one of claims 1 to 9, wherein the specific steps are as follows: Step 1: The staff first builds the steel frame column (3) on the top of the pier (1) by using a tower crane, and first builds a layer of steel frame beams (4). The construction method is to fasten the steel frame column (3) and the steel frame beam (4) by using bolts, angle steels and other conventional fastening structures used for limiting steel structures, so that the staff can subsequently lay a passage on the steel frame beam (4) by using the tower crane to walk and install the first bracket (8), the second bracket (9) and the lower tower column mold (2); Step 2: The staff uses a tower crane to place the first bracket (8) and the second bracket (9) on the pier (1) and fasten them with bolts, and builds other first brackets (8) and second brackets (9) on top of the first bracket (8) and the second bracket (9), and the lower tower column mold (2) is divided into multiple parts and fixed to multiple first brackets (8) and second brackets (9) respectively, so that the staff can build the lower tower column mold (2) while building the first bracket (8) and the second bracket (9) by the tower crane; Step 3: With the construction of the first bracket (8) and the second bracket (9), the staff also constructs the steel frame beam (4) by means of a tower crane, so that the subsequent staff can lay a passage on the steel frame beam (4) to walk and install the first bracket (8), the second bracket (9) and the lower tower column mold (2). At the same time, the staff connects the inclined steel cable (5) to the steel frame beam (4) and the ground respectively; In step 4, the staff passes the transverse steel cable (11) through the cable ring (10), and uses the transverse steel cable (11) to pull the first brackets (8) on both sides of the steel frame column (3) and the steel frame beam (4) to each other, so as to prevent the first bracket (8), the second bracket (9) and the lower tower column mold (2) from tipping over due to excessive inclination. Then, the first cable frame (6) and the second cable frame (7) are combined and sleeved on the outside of the steel frame column (3) and the transverse steel cable (11), and the bolts are tightened to limit the first cable frame (6) and the second cable frame (7) together, so as to share the force in the front-to-back direction between the first bracket (8), the second bracket (9) and the steel frame column (3), and reduce the possibility of the first bracket (8) and the second bracket (9) tipping over. The steel frame column (3) and the steel frame beam (4) are pulled together with the inclined steel cable (5), so as to prevent the steel frame column (3) and the steel frame beam (4) from tipping over forward and backward due to the influence of the transverse steel cable (11).

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