Temporary consolidation device for large-span continuous beam hanging basket cantilever casting 0 # block

Abstract

The utility model relates to a large-span continuous beam hanging basket cantilever casting 0 # block temporary consolidation device, and belongs to the technical field of hanging basket cantilever casting. Comprising a beam body, a plurality of steel pipe bodies fixed to the bottom of the beam body, two pier columns fixed to the bottom of the beam body, a bearing platform fixed between the bottoms of the two pier columns, a pile foundation fixed to the bottom of the bearing platform, and an anti-overturning mechanism installed between the beam body and the bearing platform and used for achieving the anti-overturning effect. According to the large-span continuous beam hanging basket cantilever pouring 0 # block temporary consolidation device, temporary anchoring measures are adopted, various unbalanced moments generated in the construction process can be effectively resisted, and therefore it can be effectively guaranteed that temporary consolidation after construction can eliminate unbalanced bending moments generated in the cantilever construction process, construction safety and quality are guaranteed, and the construction period is shortened. The stress balance of the two sides of the T-shaped structure in construction is ensured, the anti-overturning risk in the cantilever construction process can be reduced, and the practicability of the temporary consolidation device for the large-span continuous beam hanging basket cantilever pouring 0 # block is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the cantilever pouring technical field of hanging basket, especially to a kind of 0# block temporary consolidation device of large-span continuous beam hanging basket cantilever pouring. BACKGROUND

[0002] China vigorously implements traffic power strategy, and the mileage of expressway and high-speed railway ranks in the world, these expressways and high-speed railways need to build bridges in the section crossing river, precipitous valley or intersecting with existing highway railway, large-span continuous beam structure bridge is particularly suitable for above-mentioned section, and a large number of bridges are built along the line, and the main construction method of large-span continuous bridge is cantilever pouring method, which is less affected by terrain, can be formed at one time, reduces hoisting time and simplifies construction procedure.

[0003] In the construction process of variable cross-section continuous beam cantilever hanging basket construction, multiple continuous beam overall overturning accidents have occurred in China, objectively reflecting that continuous beam pier top temporary consolidation design is not mature, since continuous beam adopts segmented cantilever pouring process, permanent support cannot bear unbalanced bending moment generated in construction, and unbalanced bending moment generated in cantilever pouring construction process of hanging basket cannot be effectively eliminated, so that the safety and quality of construction cannot be effectively guaranteed, therefore, a kind of 0# block temporary consolidation device of large-span continuous beam hanging basket cantilever pouring is provided in the embodiment. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the present application provides a kind of 0# block temporary consolidation device of large-span continuous beam hanging basket cantilever pouring, which has the advantages of effectively eliminating the unbalanced bending moment generated in cantilever pouring construction process of hanging basket by temporary consolidation, and solves the problem that the safety and quality of construction are affected by unbalanced bending moment generated in cantilever pouring construction process of hanging basket.

[0005] To achieve the above-mentioned purpose of effectively eliminating the unbalanced bending moment generated in cantilever pouring construction process of hanging basket by temporary consolidation, the present application provides the following technical solution: a kind of 0# block temporary consolidation device of large-span continuous beam hanging basket cantilever pouring, including beam body, multiple steel pipe bodies fixed to the bottom of the beam body, two pier columns fixed to the bottom of the beam body, a pile cap fixed between the bottom of the two pier columns, a pile foundation fixed to the bottom of the pile cap, an anti-overturning mechanism installed between the beam body and the pile cap for anti-overturning effect;

[0006] The anti-overturning mechanism includes multiple upper anchor points fixed to the top of the beam body, multiple lower anchor points fixed to the inside of the pile cap, upper steel shims fixed to the bottom of the upper anchor points, lower steel shims fixed to the top of the lower anchor points, multiple anti-overturning steels fixed between the opposite sides of the upper steel shims and the lower steel shims, and corrugated steel pipes fixed between the opposite sides of the upper steel shims and the lower steel shims.

[0007] By adopting the technical scheme, the unbalanced bending moment generated in the hanging basket cantilever pouring construction process can be effectively eliminated.

[0008] Further, the top of the outer side of the corrugated steel pipe is provided with an exhaust hole, and the bottom of the outer side of the corrugated steel pipe is provided with a grouting nozzle.

[0009] By adopting the technical scheme, the cooperation of the exhaust hole and the grouting nozzle can effectively avoid the generation of bubbles in the concrete during the pouring of the concrete.

[0010] Further, the anti-overturning steel bar is located in the inside of the corrugated steel pipe, and the corrugated steel pipe is located in the inside of the steel pipe body.

[0011] By adopting the technical scheme, it is ensured that the anti-overturning steel bar, the corrugated steel pipe and the steel pipe body can be assembled into a temporary support to achieve the expected use effect.

[0012] Further, a plurality of I-shaped steel are fixed between the left steel pipe body and the outer side of the left pier column, and a plurality of I-shaped steel are fixed between the right steel pipe body and the outer side of the right pier column.

[0013] By adopting the technical scheme, the steel pipe body is installed more stably.

[0014] Further, a plurality of I-shaped steel are fixed on the left and right sides of the middle steel pipe body.

[0015] By adopting the technical scheme, it is ensured that the middle steel pipe body can be effectively installed.

[0016] Further, the diameters of the upper steel gasket and the lower steel gasket are greater than the outer diameter of the corrugated steel pipe.

[0017] By adopting the technical scheme, it is ensured that the concrete can be effectively poured into the corrugated steel pipe.

[0018] Further, a plurality of support pipes are fixed between the outer sides of the corrugated steel pipes.

[0019] By adopting the technical scheme, the corrugated steel pipe is installed more stably.

[0020] Further, the bottom of the steel pipe body is fixed with the top of the pile cap, and the upper steel gasket is fixed in the inside of the beam body.

[0021] By adopting the technical scheme, the steel pipe body can be effectively fixed and the upper steel gasket can be effectively fixed

[0022] Compared with the prior art, the present application provides a large-span continuous beam hanging basket cantilever pouring 0# block temporary consolidation device, which has the following advantages:

[0023] The large-span continuous beam hanging basket cantilever pouring 0# block temporary consolidation device, through the cooperation of the beam body, the steel pipe body, the pier column and the anti-overturning steel bars and the corrugated steel pipe in the anti-overturning mechanism, temporary anchoring measures are taken, vertical support is provided, various unbalanced moments generated in construction are resisted, so that the unbalanced bending moment generated in the cantilever construction process can be effectively ensured to be eliminated after temporary consolidation, the safety and quality of construction are ensured, the stress balance of the T-shaped structure on both sides in construction is ensured, the risk of anti-overturning in the cantilever construction process is reduced, and the practicability of the large-span continuous beam hanging basket cantilever pouring 0# block temporary consolidation device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structural schematic view of the present application;

[0025] Figure 2 It is a left view sectional view of the structure of the present application;

[0026] Figure 3 It is a front view sectional view of the anti-overturning steel bar connecting structure in the structure of the present application;

[0027] Figure 4 It is a three-dimensional schematic view of the anti-overturning steel bar connecting structure in the structure of the present application.

[0028] In the drawing: 1, beam body;2, steel pipe body;3, I-shaped steel;4, pier column;5, pile cap;6, pile foundation;200, anti-overturning mechanism;201, upper anchor point;202, anti-overturning steel bar;203, lower anchor point;204, upper steel gasket;205, lower steel gasket;206, corrugated steel pipe;207, exhaust hole;208, grouting nozzle;209, support pipe. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] Please refer to Figures 1 to 4 The present application provides a technical scheme: a large-span continuous beam hanging basket cantilever pouring 0# block temporary consolidation device, which comprises a beam body 1, a plurality of steel pipe bodies 2 fixed to the bottom of the beam body 1, two pier columns 4 fixed to the bottom of the beam body 1, a pile cap 5 fixed between the bottoms of the two pier columns 4, a pile foundation 6 fixed to the bottom of the pile cap 5, and an anti-overturning mechanism 200 installed between the beam body 1 and the pile cap 5 for playing an anti-overturning effect.

[0031] The cooperation of the beam body 1, the steel pipe body 2, the pier column 4 and the anti-overturning steel bars and the corrugated steel pipe in the anti-overturning mechanism 200, the temporary anchoring measures, the vertical support and the resistance to various unbalanced moments generated in the construction can effectively ensure that the temporary consolidation after the construction can eliminate the unbalanced bending moment generated in the cantilever construction process, guarantee the safety and quality of the construction, ensure the force balance on both sides of the T-shaped structure in the construction, reduce the risk of anti-overturning in the cantilever construction process and improve the practicality of the temporary consolidation device for the 0# block in the cantilever pouring of the large-span continuous beam hanging basket.

[0032] The anti-overturning mechanism 200 in the embodiment is a structure for playing an anti-overturning effect.

[0033] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the anti-overturning mechanism 200 comprises a plurality of upper anchor points 201 fixed on the top of the beam body 1, a plurality of lower anchor points 203 fixed in the interior of the bearing platform 5, upper steel shims 204 fixed on the bottom of the upper anchor points 201, lower steel shims 205 fixed on the top of the lower anchor points 203, a plurality of anti-overturning steel bars 202 fixed between the opposite sides of the upper steel shims 204 and the lower steel shims 205 and corrugated steel pipes 206 fixed between the opposite sides of the upper steel shims 204 and the lower steel shims 205.

[0034] It should be noted that the top of the outer side of the corrugated steel pipe 206 is provided with an exhaust hole 207, and the bottom of the outer side of the corrugated steel pipe 206 is provided with a grouting nozzle 208, so that the cooperation of the exhaust hole 207 and the grouting nozzle 208 can effectively avoid the generation of bubbles in the interior of the concrete during the pouring of the concrete, and the diameters of the upper steel shims 204 and the lower steel shims 205 are greater than the outer diameter of the corrugated steel pipe 206, so that the pouring of the concrete into the corrugated steel pipe 206 can be effectively ensured.

[0035] In addition, the anti-overturning steel bars 202 are located in the interior of the corrugated steel pipe 206, and the corrugated steel pipe 206 is located in the interior of the steel pipe body 2, so that the anti-overturning steel bars 202, the corrugated steel pipe 206 and the steel pipe body 2 can be assembled into a temporary support to achieve the expected use effect, and the anti-overturning steel bars 202 are fine rolled threaded steel.

[0036] In addition, a plurality of I-shaped steel 3 are fixed between the outer side of the left steel pipe body 2 and the left pier column 4, a plurality of I-shaped steel 3 are fixed between the outer side of the right steel pipe body 2 and the right pier column 4, and a plurality of I-shaped steel 3 are fixed on the left and right sides of the middle steel pipe body 2, so that the steel pipe body 2 is more stable.

[0037] Meanwhile, the outer sides of the plurality of corrugated steel pipes 206 are fixed with support pipes 209, so that the corrugated steel pipes 206 are installed more stably, the bottom of the steel pipe body 2 is fixed with the top of the bearing platform 5, and the upper steel gasket 204 is fixed in the interior of the beam body 1, so that the steel pipe body 2 can be effectively fixed and the upper steel gasket 204 can be effectively fixed.

[0038] Furthermore, the steel pipe body 2 is arranged on both sides of the center line of the pier column 4, and there are two rows in total, with three in a single row, and the spacing between adjacent steel pipes is 5 m. The steel pipe body 2 is filled with C50 expansive concrete, and the temporary consolidation is the same height as the permanent support. The temporary anchoring measure adopts the pre-buried anti-overturning steel bar 202. Six C50 concrete temporary supports are arranged for each pier column, 16 φ32 finished deformed steel bars are arranged for each temporary support, the anchoring length is 2 m, and 96 anti-overturning steel bars 202 are arranged for each pier.

[0039] The working principle of the above embodiment is as follows:

[0040] In use, the temporary support is assembled first. The bottom of the steel pipe body 2 is fixed on the bearing platform 5, then the pier column 4 and the steel pipe body 2 are connected by the I-shaped steel 3 through welding, pre-buried steel plate welding and the like, and one end of the anti-overturning steel bar 202 is buried in the bearing platform 5 and the other end is buried in the beam body. Then, the concrete is poured into the steel pipe body 2 and the corrugated steel pipe 206. Under the action of the exhaust hole 207 and the grouting nozzle 208, the situation that the concrete produces bubbles inside after pouring can be effectively avoided, so as to ensure the safety and quality of construction.

[0041] Compared with the prior art, the large-span continuous beam hanging basket cantilever pouring 0# block temporary consolidation device adopts temporary anchoring measures, provides vertical support and resists various unbalanced moments generated in construction, so as to effectively ensure that the temporary consolidation after construction can eliminate the unbalanced bending moment generated in the cantilever construction process, ensure the safety and quality of construction, ensure the force balance of the T-shaped structure on both sides in construction, reduce the risk of anti-overturning in the cantilever construction process, improve the practicality of the large-span continuous beam hanging basket cantilever pouring 0# block temporary consolidation device, and solve the problem that the safety and quality of construction are affected by the unbalanced bending moment generated in the hanging basket cantilever pouring construction process.

Claims

1. A large-span continuous beam basket cantilever pouring 0# block temporary consolidation device, characterized by: The utility model provides a kind of anti-overturning mechanism of beam, including beam body (1), the multiple steel pipe bodies (2) of being fixed to the bottom of the beam body (1), two piers (4) being fixed to the bottom of the beam body (1), the cap (5) being fixed between the bottom of two piers (4), the pile foundation (6) being fixed to the bottom of the cap (5), the anti-overturning mechanism (200) for playing the effect of anti-overturning between the beam body (1) and cap (5) is installed; The anti-overturning mechanism (200) includes multiple upper anchor points (201) being fixed to the top of beam body (1), multiple lower anchor points (203) being fixed to the inside of the cap (5), upper steel gasket (204) being fixed to the bottom of the upper anchor point (201), lower steel gasket (205) being fixed to the top of the lower anchor point (203), multiple anti-overturning steel bars (202) being fixed between the opposite side between the upper steel gasket (204) and lower steel gasket (205), corrugated steel pipe (206) being fixed between the opposite side between the upper steel gasket (204) and lower steel gasket (205).

2. The temporary consolidation device for 0# block of large-span continuous beam hanging basket cantilever pouring according to claim 1, characterized in that: Exhaust hole (207) is opened in the top of the outside of the corrugated steel pipe (206), and grouting nozzle (208) is opened in the bottom of the outside of the corrugated steel pipe (206).

3. The temporary consolidation device for 0# block of large-span continuous beam hanging basket cantilever pouring according to claim 1, characterized in that: The anti-overturning steel bar (202) is located in the inside of the corrugated steel pipe (206), and the corrugated steel pipe (206) is located in the inside of the steel pipe body (2).

4. The temporary consolidation device for 0# block of large-span continuous beam hanging basket cantilever pouring according to claim 1, characterized in that: Multiple I-shaped steel (3) are fixed between the outside of left side steel pipe body (2) and left side pier (4), and multiple I-shaped steel (3) are fixed between the outside of right side steel pipe body (2) and right side pier (4).

5. The temporary consolidation device for 0# block of large-span continuous beam hanging basket cantilever pouring according to claim 1, characterized in that: Multiple I-shaped steel (3) are fixed on the left and right sides of middle steel pipe body (2).

6. The temporary consolidation device for 0# block of large-span continuous beam hanging basket cantilever pouring according to claim 1, characterized in that: The diameter of the upper steel gasket (204) and lower steel gasket (205) is greater than the outer diameter of the corrugated steel pipe (206).

7. The temporary consolidation device for 0# block of large-span continuous beam hanging basket cantilever pouring according to claim 1, characterized in that: Support pipe (209) is fixed between the outside of multiple corrugated steel pipes (206).

8. The temporary consolidation device for 0# block of large-span continuous beam hanging basket cantilever pouring according to claim 1, characterized in that: The bottom of the steel pipe body (2) is fixed with the top of the cap (5), and the upper steel gasket (204) is fixed in the inside of the beam body (1).

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