CN214168768U - Novel large-rigidity pier column template structure - Google Patents

Abstract

The utility model discloses a novel big rigidity pier stud template structure, including a plurality of pier stud template units that can pile up from top to bottom, the upper and lower terminal surface of pier stud template unit is provided with the horizontal flange that is used for piling up respectively, pier stud template unit include the panel with weld in the perpendicular rib, cross rib and the reinforcing plate of panel outer wall, the cross rib is bent into "U" by the steel sheet and is appeared or trapezoidal, the welding has a plurality of reinforcing plates in the cross rib. Overall structure is simple, and the transport is convenient with assembling, and the transverse rib stable in structure of pier stud template unit moreover, and compressive capacity is strong, and this template structure need not to set up the truss outward, but adopts neotype big rigidity U type rib as the transverse rib, as main stress structure.

Description

Novel large-rigidity pier column template structure

Technical Field

The utility model relates to a bridge construction pier stud template technical field specifically is a novel big rigidity pier stud template structure of no pull rod formula.

Background

The pier body template types commonly used in the current highway engineering construction mainly comprise: there are tie-bar formworks and no tie-bar formworks. The pull rod type formwork is usually provided with a plurality of counter pull rods in concrete for counter-pulling stress, the formwork is a composite structure of a panel and vertical ribs, and the transverse ribs are generally used as main stress structures. The non-pull rod type formwork needs to be provided with a truss structure besides necessary panels and vertical rib transverse ribs, and the truss structure is used as a main stress structure.

The draw bar type formwork has the following defects: the arrangement of the pull rod hole damages a formwork panel, so that the service life of the formwork is shortened; when concrete is poured, if slurry leaks frequently due to improper treatment at the pull rod hole, the self-compaction of the concrete is influenced, and the inner steel bar can be corroded due to the fact that the hole of the pull rod hole is not densely filled; the assembly and disassembly of the template are all complex, the pull rod hole needs to be reset if the installation process meets inevitable obstacles in the process of penetrating the pull rod, the pull rod is not easy to take out when the template is disassembled, the number of the pull rod holes in the surface of the pier stud is large, the post treatment is complex, even after the treatment, the defects are brought to the surface quality of the concrete, and the smoothness and the attractiveness of the surface of the concrete are influenced.

The pull-rod-free formwork is convenient to assemble and disassemble, the workload of workers can be greatly reduced, the construction period is shortened, the efficiency is improved, the most important is that cavities can be avoided being left on the surface of concrete, the later-stage repairing work is omitted, and the appearance quality of the concrete can be well guaranteed. The draw-bar-free formwork has the advantages that the truss is arranged outside the formwork panel, so that the self weight of the formwork is larger than that of a draw-bar formwork, the hoisting is difficult, the one-time investment is large, the cost is high, and the transportation is inconvenient.

The stupefied stiffening more adopts shaped steel to do the back of the body to traditional pier stud steel form, though structural design is simple, nevertheless because of bulky, heavy, need to spend more time install and remove, transport. And the integral rigidity is little, leads to the distortion of template easily in installing, removing, the transportation, reduces the turnover use number of times of template on the one hand, and on the other hand is difficult to guarantee the quality of pier stud. Simultaneously because of this engineering pier stud engineering volume is big, the time limit for a project is tight, the quality requirement is high, and traditional steel form is difficult to satisfy the demand, need design a novel light big rigidity pier stud template structural style admittedly.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a novel big rigidity pier stud template structure of no pull rod formula has long fatigue life (non-deformable), assembles advantages such as fast, hoist and mount convenience, turnover transportation are convenient.

The utility model provides an adopted technical scheme of its technical problem does: the utility model provides a novel big rigidity pier stud template structure, includes a plurality of pier stud template units that can pile up from top to bottom, the upper and lower terminal surface of pier stud template unit is provided with the horizontal flange that is used for piling up respectively, pier stud template unit include the panel with weld in the perpendicular rib, cross rib and the reinforcing plate of panel outer wall, the cross rib is bent into "U" shape or trapezoidal by the steel sheet, the welding has a plurality of reinforcing plates in the cross rib. Overall structure is simple, and the transport is convenient with assembling, and pier stud template unit's horizontal rib stable in structure moreover, and compressive capacity is strong.

Furthermore, the panel, the vertical ribs, the transverse ribs and the reinforcing plate are all made of composite stainless steel plates.

Furthermore, each pier stud template unit is composed of two front templates and two side templates, the two front templates are symmetrically arranged, the two side templates are symmetrically arranged, the upper end faces and the lower end faces of the front templates and the side templates are respectively provided with the transverse flanges, the left end faces and the right end faces of the front templates and the side templates are respectively provided with vertical flanges for mutual connection, and the two front templates and the two side templates are connected through the vertical flanges to form a quadrilateral shape.

Furthermore, the panel of the side formwork is U-shaped, the bending part of the outer wall of the side formwork is provided with a diagonal support, the diagonal support is provided with a diagonal draw bar, and two ends of the diagonal draw bar are respectively provided with a pressing sheet for fastening the front formwork and the side formwork.

The utility model has the advantages that:

1. the panels of the templates are all made of stainless composite steel plates, and the panels are smooth and bright, so that the appearance quality of the pier stud is guaranteed. The stainless steel has the characteristics of high strength and difficult rustiness, increases the number of times of the template cycle use, reduces the template maintenance expenditure and saves the cost;

2. diagonal draw bars are arranged at four corners of the template and are stressed, and diagonal draw bars are not arranged in concrete, so that the performance and the appearance quality of the concrete are not influenced. In addition, the template structure does not need to be externally provided with a truss, so that the template structure is convenient to hoist and transport;

3. the large templates are assembled quickly, and are installed in place once by using a 25t truck crane in a matching manner, so that the rapid assembly can be realized, and the efficiency is improved. The number of sections is small, the number of joints and slab staggering can be reduced, and the appearance quality of the pier column is improved;

4. the novel U-shaped rib large block steel template has the advantages of simple structure, high integral rigidity and long fatigue life, and is superior to the conventional structure. The assembly, disassembly and transportation processes are not easy to deform, the turnover use is convenient, the construction requirements of large engineering quantity and short construction period can be met, and the assembly, disassembly and transportation process is suitable for large-scale mass production and has good popularization and application prospects.

Drawings

FIG. 1 is a front view of the structure of the present invention;

fig. 2 is a top view of the structure of the present invention;

fig. 3 is a partially enlarged schematic view of the installation position of the diagonal draw bar structure of the present invention;

fig. 4 is a schematic structural cross-sectional view of the cross rib of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 4, a novel high-rigidity pier stud template structure comprises a plurality of pier stud template units 1 which can be stacked up and down, wherein the upper end surface and the lower end surface of each pier stud template unit 1 are respectively provided with a transverse flange 20 for stacking, each pier stud template unit 1 is composed of two front templates 2 which are symmetrically arranged and two side templates 3 which are symmetrically arranged, the upper end surface and the lower end surface of each front template 2 and the side templates 3 are respectively provided with the transverse flange 20, the left end surface and the right end surface of each front template 2 and the corresponding side template 3 are respectively provided with a vertical flange 21 for mutual connection, the two front templates 2 and the two side templates 3 are connected through the vertical flanges 21 to form a quadrilateral shape, each front template 2 and each side template 3 comprises a panel 10, and vertical ribs 11, transverse ribs 12 and reinforcing plates 13 which are welded on the outer wall of the panel 10, the transverse rib 12 is bent into a U shape or a trapezoid shape by a steel plate, a plurality of reinforcing plates 13 are welded in the transverse rib 12, the panel 10 of the side template 3 is in a U shape, a bending part (four corners of the template) of the outer wall of the side template 3 is provided with a diagonal support 40, a diagonal pull rod 4 is installed on the diagonal support 40, the diagonal pull rod 4 adopts a fine-rolled threaded steel, two ends of the diagonal pull rod 4 are respectively provided with a buckle for fastening the pressing sheets 41 of the front template 2 and the side template 3, wherein the panel, the vertical rib, the transverse rib and the reinforcing plates all adopt a composite stainless steel plate. The standard section subsection height H of the pier stud template unit 1 is 2 m/subsection, and each subsection is formed by connecting and combining in layers. Compared with the traditional pull rod-free formwork, the formwork structure does not need to be externally provided with a truss, and adopts a novel high-rigidity U-shaped rib as a transverse rib as a main stress structure; the adopted non-pull rod type template does not completely cancel a pull rod, but cancels a pull rod penetrating through pier column concrete, and only keeps a non-concrete penetrating pull rod. The template is assembled in the four corners of the template and is provided with diagonal draw bars for fixing and oppositely pulling stress, so that the position of the fulcrum is too close to the side, the transverse rib is very unfavorable, and the transverse rib with high strength must be selected to ensure the construction requirement. Through comparing various back rib design forms, the U-shaped rib form gives consideration to the self rigidity of the steel plate and the rigidity of the back rib, saves materials under the condition of equal stress, and can optimize the weight of the template to the maximum extent, so that the U-shaped rib with high strength is selected as the transverse rib, and the steel plate is added in the middle of the U rib to serve as the U rib reinforcing rib. The U-shaped ribs can reduce the clearance of the template and control the deformation of the panel, and have larger bending resistance to ensure the construction requirement.

After the template is designed, the template factory processes the template and transports the template to the site, and the template is used after being assembled and accepted. And a 25t truck crane is matched with manual work to assemble the components in place at one time. The template is installed according to the principle that the hoisting sight line is not blocked after the template is far away, namely the template on one far side is installed firstly according to the position of the hoisting equipment, so that the good hoisting sight line can be kept, and finally the template on the nearest side is installed, so that the safety and the accuracy of the template installation are ensured. When the pier shaft template is installed, the sealing strip is made of double-sided adhesive tape with the thickness of 5mm and the width of 20mm between the template plates, namely, the double-sided adhesive tape is firstly pasted to a template side flange which is installed firstly, anti-sticking paper on the double-sided adhesive tape is torn off before another template is about to be drawn together, two templates are pasted together after being aligned, and after the connecting bolt is stressed, the double-sided adhesive tape plays a sealing role through extrusion, so that the template is ensured not to leak slurry.

When each layer and each template are installed in place, a total station is needed to check the plane positions and elevations of four angular points and four center points on the cross section of the pier body by a three-dimensional coordinate method. The first layer of template is accurately positioned, the bottom of the first layer of template is fixed with an embedded part on the bearing platform, each section steel hoop column diagonal screw rod between adjacent templates is fastened, and then the upper layer of template is installed.

The upper layer template is lifted and slowly lowered above the position to be installed, the manual pushing mold is put in place, when connecting seams at the bottom edges of the upper layer template are aligned, the templates are stable and vertical, the horizontal connecting seams between the upper and lower sections of templates are fixed in time by positioning bolts, and coarse position adjustment is carried out. The rough adjustment of the template is realized by applying force by a pulling block. After the position is substantially adjusted, the attachment bolts are tightened immediately, but not too tightly to accurately adjust the position of the form. And (5) completing the installation and positioning of the templates in the second layer according to the same method, and arranging the opposite-pulling screw rods.

After the working procedures are finished, fine adjustment is carried out on the position of the whole layer of template, the fine adjustment of the template is carried out by matching a chain block with manual work, and in the process of fine adjustment of the template, a measurer tracks and checks the template in real time. And after the fine adjustment of the template is finished, the horizontal connecting seam bolts of the upper and lower layers of templates which are not fastened are immediately fastened. And finally, screwing all the counter-pulling screw rods so as to ensure the integral rigidity of the pier body template. After the template is installed, construction technicians need to strengthen the inspection, tools such as a torque wrench are used for inspecting the fastening conditions of the template seam splicing bolt and the split screw, and the condition that the bolt is not fastened to influence the template construction safety is avoided.

The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope covered by the present invention.

Claims (3)

1. A novel high-rigidity pier column template structure is characterized by comprising a plurality of pier column template units capable of being stacked up and down, wherein the upper end face and the lower end face of each pier column template unit are respectively provided with a transverse flange for stacking, each pier column template unit consists of two front templates which are symmetrically arranged and two side templates which are symmetrically arranged, each front template and each side template respectively comprise a panel and a vertical rib, a transverse rib and a reinforcing plate which are welded on the outer wall of the panel, each transverse rib is bent into a U shape or a trapezoid shape by a steel plate, and a plurality of reinforcing plates are welded in each transverse rib; the panel of side template is "U" shape, the portion of bending of side template outer wall is equipped with to one side draws the support, install oblique pull rod on drawing the support to one side, the both ends of oblique pull rod are equipped with respectively and detain the preforming of positive template and side template.

2. The novel high-rigidity pier column template structure according to claim 1, wherein the face plate, the vertical ribs, the transverse ribs and the reinforcing plate are all made of composite stainless steel plates.

3. The novel high-rigidity pier stud template structure according to claim 1, wherein the upper end face and the lower end face of the front template and the lower end face of the side template are respectively provided with the transverse flanges, the left end face and the right end face of the front template and the right end face of the side template are respectively provided with vertical flanges for mutual connection, and the two front templates and the two side templates are connected through the vertical flanges to form a quadrilateral shape.

Images