CN205474843U - Prefabricated T beam -ends head mould board - Google Patents

Abstract

The utility model discloses a prefabricated T beam -ends head mould board comprises prefabricated T beam -ends head mould board body, prestressing force stretch -draw pipeline, novel mould and embedded bar, the whole T font structure that is of prefabricated T beam -ends head mould board body the lengthwise position of prefabricated T beam -ends head mould board body on be equipped with novel mould, be provided with prestressing force stretch -draw pipeline and round hole in the novel mould respectively, be provided with on the round hole with its matched with embedded bar. The utility model discloses a be the fluted body structure to the processing of novel mould to be provided with the round hole on the both sides of the novel mould that is the fluted body structure, the pre -buried embedded bar that has six roots of sensation 30cm long D 12 in position of round hole, just the embedded bar expose length for 15cm, consequently, adopt this kind of method to make that T beam -ends head lower part and both sides concrete are disposable pours the shaping with the roof beam body, improved the wholeness of the roof beam body, adopt the original trilateral template of fluted body and single side template replacement simultaneously, guaranteed the concrete pouring quality.

Description

A kind of Precast T-Beam end head formwork

Technical field

This utility model relates to a kind of Precast T-Beam end head formwork, belongs to mould applications for building.

Background technology

Precast T-Beam is pre-constructed unit conventional on bridge, its have construction period fast, The features such as span is big, bearing capacity is big, are widely used in highway bridge and Urban Bridge Construction In.But during traditional T is beam prefabricated, three formwork erections of sealing off and covering anchorage concrete pour, This Normal practice defect is obvious, and model sheetinstallat piece is many, the easy spillage of concrete, end Easily there is voids and pits, bubble, falls the phenomenons such as limit in head concrete surface；Two-step pouring is mixed The contact surface of solidifying soil easily occurs that contraction fissure, termination are connected the most smoother with beam body, linearly The most smooth, presentation quality is poor, uneconomical the most not environmentally.

T-shaped beam (T axing lying) T-shaped beam refers to that cross-sectional form is T The beam of type, T-shaped beam both sides choose part be referred to as the edge of a wing, intermediate portion is referred to as beam rib, T-shaped Beam section compressive region utilizes pressure concrete make flange plate and double as bridge floor；Tensile region steel Muscle or deformed bar bear pulling force, and CONCRETE T-BEAMS bridge has simple in construction, stress Clearly, save material, set up easy for installation, the advantages such as span ability is bigger, be widely used in me In state's highway construction, bridge construction, usage amount is big.

Prefabricated every tee girder plate process is: bed die installation, reinforcing bar binding, installation form (side form and end mould), casting concrete, concrete curing, form removal, steel strand, Preparation before preparation before stretch-draw, mud jacking, mud jacking, end-blocking, end-blocking, the beauty treatment of beam body profile, Beam is winched to finished product district by beam after having produced.

But these Precast T-Beam end head formworks the most existing are due to prefabricated every tee girder The end mould that plate uses is three formwork erections before next procedure end-blocking concreting, model sheetinstallat Piece is many, the easy spillage of concrete, termination concrete surface easily occur voids and pits, bubble, Fall the phenomenons such as limit；Easily there is contraction fissure, termination and beam in the contact surface of two-step pouring concrete Body linking is the most smoother, and the most smooth, presentation quality is poor, and this had both produced substantial amounts of building rubbish Rubbish, increases again manufacturing cost.

Summary of the invention

The deficiency existed for above-mentioned prior art, the purpose of this utility model is intended to overcome now The shortcoming having technology, it is provided that a kind of simple to operate, low cost of manufacture, can realize improving construction Efficiency and overcome beam slab termination piece to be connected the prefabricated T of one of the problem such as the most smoother with beam body Beam end head formwork.

For achieving the above object, this utility model one Precast T-Beam end head formwork be by under Array structure completes: a kind of Precast T-Beam end head formwork, by Precast T-Beam end head formwork originally Body (1), prestressed stretch-draw pipeline (2), novel die (3) and embedded bar (4) Constituting, the described overall structure in T shape of Precast T-Beam end head formwork body (1), in institute The lengthwise position of Precast T-Beam end head formwork body (1) stated is provided with novel die (3), Prestressed stretch-draw pipeline (2) and circular hole (5) it is respectively arranged with in described novel die (3), The embedded bar (4) matched with it it is provided with on described circular hole (5).

Preferably, two Side Templates of described Precast T-Beam end head formwork body (1) are longitudinally Lengthen, and extension length is end-blocking concrete thickness, described prestressed stretch-draw pipeline (2) It is arranged on the middle part of described novel die (3), and it is the most identical to be set to shape and structure Three.

Preferably, described novel die (3) is processed in concave groove type structure, and in recessed Circular hole (5), described circular hole (5) it is provided with on the both sides of the novel die (3) of trench structure Position be embedded with the embedded bar (4) of the long Ф of six roots of sensation 30cm 12, and described embedded bar (4) Protruded length be 15cm, fix for follow-up sealing off and covering anchorage concrete blinding or sealing off and covering anchorage be installed Concrete blinding (6).

Preferably, the diameter of described circular hole (5) is set to Ф 14, and it is equal to be set to size Identical six, described sealing off and covering anchorage concrete blinding (6) is end-blocking mounted split pattern.

Operation principle is: this utility model more specifically embodiment be use and manufacture this one Planting Precast T-Beam end head formwork to comprise the following steps that, first at T beam two ends side mold portion The vertical punching block in both sides, T beam duct is original design along longitudinally lengthening 20cm, the 20cm of this lengthening Sealing off and covering anchorage concrete thickness；Second is that the novel die (3) of T beam two ends end mould part is made Concave groove type, groove size is 40cm × 165 × 20cm, and recessed at novel die (3) Grooved position arranges the circular hole (5) of six Ф 14；3rd is that T beam steel bar colligation completes After, these six circular hole (5) positions pre-buried six roots of sensation 30cm long Ф 12 embedded bar (4), Fix for follow-up sealing off and covering anchorage concrete blinding (6)；4th is end-blocking template construct, end-blocking Template uses 1cm thickness punching block, a size of 0.5m × 2m, reserved six Ф on novel die 14 circular holes (5), position is consistent with T beam-ends head embedded bar (4)；Finally seal Side Template is installed, i.e. template passes embedded bar (4), uses Φ 12 embedded bar (4) Laterally weld with embedded bar (4), finally can complete work with wood contract by fixing for template Make.

This utility model compared with prior art produced by provide the benefit that: this utility model By novel die is processed in concave groove type structure, and at the novel die in concave groove type structure Both sides on be provided with circular hole, the position of circular hole is embedded with the pre-buried steel of the long Ф of six roots of sensation 30cm 12 Muscle, and the protruded length of described embedded bar is 15cm, therefore, adopts this method and makes T Beam-ends head bottom and both sides concrete are disposably and beam body pours molding, improve the entirety of beam body Property, use concave groove type and single side template to replace original three face die plates simultaneously, save mould Plate, Simplified flowsheet, do not produce building waste, energy-conserving and environment-protective, cost is low, it is ensured that mixed The pouring quality of solidifying soil, can overcome that T beam novel die piece is many, globality is strong, easily The problems such as spillage, it is simple to operate, improves efficiency of construction.

Accompanying drawing explanation

Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is made further details of theory Bright, wherein:

Fig. 1 is structural representation of the present utility model；

Fig. 2 is to use T beam end head formwork schematic cross-sectional view during the installation of Precast T-Beam end head formwork；

Fig. 3 is the floor map using T beam end head formwork during the installation of Precast T-Beam end head formwork；

Fig. 4 is to use the end-blocking one side of T beam end head formwork to prop up during the installation of Precast T-Beam end head formwork Mould floor map；

Wherein, figure indicates: 1 Precast T-Beam end head formwork body, 2 prestressed stretch-draws Pipeline, 3 novel dies, 4 embedded bars；5 circular holes, 6 sealing off and covering anchorage concrete moulds Plate.

Detailed description of the invention

Illustrated embodiment below in conjunction with the accompanying drawings, is described further structure, but needs explanation It is that this utility model protection domain is not limited to this embodiment.

As shown in Figures 1 to 4, a kind of Precast T-Beam end head formwork, by Precast T-Beam end Head stencil body 1, prestressed stretch-draw pipeline 2, novel die 3 and embedded bar 4 are constituted, The described overall structure in T shape of Precast T-Beam end head formwork body 1, described prefabricated The lengthwise position of T beam end head formwork body 1 is provided with novel die 3, described New-type mould It is respectively arranged with prestressed stretch-draw pipeline 2 and circular hole 5 in tool 3, described circular hole 5 sets It is equipped with the embedded bar 4 matched with it.

Further, two Side Templates of described Precast T-Beam end head formwork body 1 longitudinally add Long, and extension length is for blocking concrete thickness, described prestressed stretch-draw pipeline 2 is arranged on The middle part of described novel die 3, and be set to that shape and structure is the most identical three.

Further, described novel die 3 is processed in concave groove type structure, and in groove Being provided with circular hole 5 on the both sides of the novel die 3 of type structure, the position of described circular hole 5 is pre-buried There is the embedded bar 4 of the long Ф of six roots of sensation 30cm 12, and the protruded length of described embedded bar 4 is 15cm, fixes for follow-up sealing off and covering anchorage concrete blinding or installs sealing off and covering anchorage concrete blinding 6.

Concrete, the diameter of described circular hole 5 is set to Ф 14, and it is the most identical to be set to size Six, described sealing off and covering anchorage concrete blinding 6 is end-blocking mounted split pattern.

In sum, this utility model more specifically embodiment is to use and manufacture this one Precast T-Beam end head formwork comprises the following steps that, first is the T at T beam two ends side mold portion The vertical punching block in both sides, beam duct is original design along longitudinally lengthening 20cm, the 20cm of this lengthening Sealing off and covering anchorage concrete thickness；Second is that the novel die 3 of T beam two ends end mould part is made recessed Grooved, groove size is 40cm × 165 × 20cm, and in the concave groove type of novel die 3 Position arranges the circular hole 5 of six Ф 14；3rd is after T beam steel bar colligation completes, at this Six circular hole 5 position pre-buried six roots of sensation 30cm long Ф 12 embedded bars 4, for follow-up envelope Anchor concrete blinding 6 is fixed；4th is end-blocking template construct, and end-blocking template uses 1cm Thick punching block, a size of 0.5m × 2m, reserved six Ф 14 circular holes 5, position on novel die Put consistent with T beam-ends head embedded bar 4；Finally carry out blocking model sheetinstallat, i.e. template Through embedded bar 4, Φ 12 embedded bar 4 is used laterally to weld with embedded bar 4, Finally can complete work with wood contract by fixing for template.

This utility model has the advantage that this practicality is new in a particular embodiment Type, owing to using concave groove type and single side template to replace original three face die plates, can improve beam Globality, simultaneously end-blocking concrete blinding be one side formwork erection, it is ensured that pouring of concrete Quality, overcomes model sheetinstallat piece many, the easy spillage of concrete, termination concrete surface Voids and pits, bubble easily occur, falls the phenomenons such as limit；The contact surface of two-step pouring concrete Contraction fissure easily occur, termination is connected the most smoother with beam body, the most smooth, outward appearance The problem such as of poor quality, operates fairly simple, also overcomes while improve efficiency of construction T-shaped termination is connected the most smoother with beam body, the most smooth, and globality is poor, presentation quality The problems such as difference, and also achieve material and can recycle and the cycle is short, do not produce building Rubbish, energy-conserving and environment-protective, cost is low, has the advantages such as operating procedure is fairly simple.

Claims (4)

1. a Precast T-Beam end head formwork, by Precast T-Beam end head formwork body (1), Prestressed stretch-draw pipeline (2), novel die (3) and embedded bar (4) are constituted, its It is characterised by: the described overall structure in T shape of Precast T-Beam end head formwork body (1), The lengthwise position of described Precast T-Beam end head formwork body (1) is provided with novel die (3) it is respectively arranged with prestressed stretch-draw pipeline (2) in, described novel die (3) With circular hole (5), described circular hole (5) is provided with the embedded bar (4) matched with it.

A kind of Precast T-Beam end head formwork the most according to claim 1, it is characterised in that: Two Side Templates of described Precast T-Beam end head formwork body (1) longitudinally lengthen, and lengthen A length of end-blocking concrete thickness, described prestressed stretch-draw pipeline (2) is arranged on described The middle part of novel die (3), and be set to that shape and structure is the most identical three.

A kind of Precast T-Beam end head formwork the most according to claim 1, its feature exists In: described novel die (3) is processed in concave groove type structure, and in concave groove type structure Being provided with circular hole (5) on the both sides of novel die (3), the position of described circular hole (5) is pre-buried There is an embedded bar (4) of the long Ф of six roots of sensation 30cm 12, and the exposing of described embedded bar (4) A length of 15cm, fixes for follow-up sealing off and covering anchorage concrete blinding or installs sealing off and covering anchorage concrete Template (6).

A kind of Precast T-Beam end head formwork the most according to claim 3, it is characterised in that: The diameter of described circular hole (5) is set to Ф 14, and be set to that size is the most identical six, Described sealing off and covering anchorage concrete blinding (6) is end-blocking mounted split pattern.