CN208899668U - Shear wall horizontal construction joint rough surface reserves molding construction structure - Google Patents

Abstract

The utility model discloses a kind of shear wall horizontal construction joint rough surfaces to reserve molding construction structure, it applies in the field that batch surface construction is sewed up in construction, solves construction joint construction waste of manpower, the technical issues of material resources, its key points of the technical solution are that including template of the supporting on shear wall peripheral wall, the first concrete layer and the second concrete layer that are successively cast in template from the bottom to top and the coarse aggregate layer being laid on the second concrete layer, second concrete layer is to be mixed with undisguised material rinsing agent by normal concrete doping and stir to be formed, construction joint is formed between first concrete layer and the second concrete layer, so that the second concrete layer top directly can be not necessarily to dabbing by pouring construction, avoid artificial cutting, it saves artificial, noise will not be generated simultaneously, the pollution such as dust, protect environment.

Description

Shear wall horizontal construction joint rough surface reserves molding construction structure

Technical field

The utility model relates to main body shear wall structure, in particular to a kind of pre- profit retention of shear wall horizontal construction joint rough surface Type constructing structure.

Background technique

Shear wall is mainly bearing load and shockproof wall, it is otherwise known as wind-resistant wall or seismic structural wall, earthquake resistant wall, structural wall, mainly It is divided into plane shear wall and two kinds of cylinder shear wall.Plane shear wall is for reinforced concrete frame structure, lift slab structure, nothing In beam floor system, effect is rigidity, intensity and the collapse resistant capacity for increasing structure；Cylinder shear wall be for skyscraper, In tall and slender structure and overhung construction.

It is cut currently, the Chinese patent that Authorization Notice No. is CN205242694U in existing patent discloses a kind of uniform thickness overlapping The vertical connecting node of power wall, including upper layer overlapped shear wall and lower layer's overlapped shear wall, and it is located at upper layer and lower layer overlapping shearing Floor structure and horizontal construction joint between wall；By vertically taking between the upper layer overlapped shear wall and lower layer's overlapped shear wall Connect reinforcing bar connection；The horizontal construction joint is rear pouring concrete, which is located on floor structure；The upper layer overlapping The prefabricated board board bottom of shear wall is provided with shearing resistance keyway, so that level (vertical) load and geological process of upper layer overlapped shear wall Pass to lower layer's overlapped shear wall.

It sews up in stubble construction in conventional concrete construction, is mainly rinsed using surface of base dabbing, with high pressure water Leak out aggregate or with the bar dowel plum blossom shape laying several methods such as joint bar, but by place, space, condition etc. it is many because Element influences, and surface foundation dabbing is time-consuming, is mainly used for factory-made component surface treatment, reserved joint bar with high pressure water flushing Material is wasted, resource, artificial waste, while it is difficult to ensure that architecture quality can be all caused.

Utility model content

The purpose of the utility model is to provide a kind of shear wall horizontal construction joint rough surfaces to reserve molding construction structure, improves The construction quality of main body shear wall, and artificial, material can be saved in work progress.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of reserved molding construction structure of shear wall horizontal construction joint rough surface, the mould including supporting on shear wall peripheral wall Plate, the first concrete layer being successively cast in template from the bottom to top and the second concrete layer and it is laid on the second concrete layer On coarse aggregate layer, second concrete layer is to be mixed with undisguised material rinsing agent by normal concrete doping and stir to be formed, described Construction joint is formed between first concrete layer and the second concrete layer.

By using above-mentioned technical proposal, a kind of reserved molding construction structure of construction joint rough surface is provided, is being sheared It is smaller and convenient for construction position be used as construction joint position, lower part shear wall formwork complete the first concrete layer of after-pouring to design Highly, then the second concrete layer is poured, before the initial set of the second concrete layer, laying coarse aggregate layer reaches to the first concrete layer After some strength, the second concrete surface is rinsed with clear water and rinses out construction joint using the deferred action of the second concrete layer Section surface cement slurry exposes coarse aggregate layer and forms rough surface, so that the second concrete layer top directly can be not necessarily to chisel by pouring construction Hair, avoids artificial cutting, saves artificial, while the pollution such as will not generate noise, dust, protects environment.

The utility model is further arranged to: the template is fixed on the peripheral wall of shear wall by built-in fitting, described pre- Embedded part includes the metalwork of Ruo Gan ∟ shape, and the both ends of the metalwork pass through rivet respectively and are fixed on template and shear wall.

By using above-mentioned technical proposal, template is fixed by built-in fitting, and the metalwork of Xuan Qu ∟ shape is as pre- Embedded part plays effective connection function, connects the side wall of template bottom wall and shear wall, while playing supporting role to template, into The stable connection of one step raising template and shear wall.

The utility model is further arranged to: the metalwork be bonded with lightweight on the contact surface of template, shear wall Sealing strip.

By using above-mentioned technical proposal, the sealing between metalwork and template, shear wall is significantly enhanced, waterproof is made With；Light sealing own wt is smaller simultaneously, will not additionally increase weight bearing of the built-in fitting to shear wall.

The utility model is further arranged to: second concrete layer with a thickness of 8 ~ 12cm.

By using above-mentioned technical proposal, the thickness of the second concrete layer is limited, so that the second concrete layer has properly Volume, the retarding time difference between the second concrete layer and the first concrete layer of the volume is moderate, when use clear water Rinse the second concrete layer, it is ensured that the first concrete layer structural strength with higher.

The utility model is further arranged to: the upper surface of second concrete layer is laid with boundary layer, the boundary layer Upper pouring structure concrete layer.

By using above-mentioned technical proposal, the cohesive force and waterproof of the second concrete layer upper surface is can be improved in boundary layer Property, the pouring structure concrete layer on boundary layer improves the structural strength near construction joint；Boundary layer also have enhancing two layers it Between compatibility the advantages of so that the binding performance between structural concrete layer and the second concrete layer is stronger, to also can be improved The ant wind load ability of shear wall.

The utility model is further arranged to: stiffener is inserted into second concrete layer, the stiffener Top extends to structural concrete layer, and the bottom end of the stiffener extends in construction joint.

By using above-mentioned technical proposal, stiffener tensile strength with higher is connected in structural concrete Between layer and the second concrete layer, be conducive to improve the tensile strength near shear wall construction seam.

The utility model is further arranged to: positioned at the opposing sidewalls of the second concrete layer equipped with several in the template Screw arbor with nut at both-ends.

By using above-mentioned technical proposal, for Screw arbor with nut at both-ends as support, the component of fixed form, structure is simple, have compared with High anti-receiving pulling force and anti-receiving pressure, stable working state；And infiltration can be good；Screw arbor with nut at both-ends is repeatable to be made With, its both ends are shorter, are easy keeping, and it is not flexible, in upper mold and mould unloading, without loading and unloading nut, save the construction time.

In conclusion the utility model has the following beneficial effects:

1, it sets construction joint position and pours the second concrete layer that 10cm thickness is mixed with undisguised material rinsing agent staying, utilize undisguised material The coagulation of rinsing agent, rinsing concrete surface using clear water makes it expose concrete rough surface, avoids artificial cutting, saves It is about artificial, while the pollution such as will not generate noise, dust, protect environment；

2, coarse aggregate being inserted in concrete upper surface before initial set, constructing operation is convenient, docking stubble position concrete is thick, Fine aggregate collocation uniformly, helps to ensure that architecture quality；

3, the continuous construction of main body shear wall can be achieved, improve construction efficiency.

Detailed description of the invention

Fig. 1 is the knot for embodying the first concrete layer, construction joint, the second concrete layer, stiffener and Screw arbor with nut at both-ends Structure schematic diagram；

Fig. 2 is the structural representation for embodying embodiment median surface layer, structural concrete layer and coarse aggregate layer, built-in fitting Figure；

Fig. 3 is the enlarged drawing in Fig. 2 at A.

In figure: 1, template；2, the first concrete layer；3, the second concrete layer；4, coarse aggregate layer；5, construction joint；6, pre-buried Part；61, metalwork；62, rivet；63, light sealing item；7, boundary layer；8, structural concrete layer；9, stiffener；10, to drawing Screw rod.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment:

A kind of reserved molding construction structure of shear wall horizontal construction joint rough surface, as shown in Figure 1, including supporting in shear wall It template 1 on peripheral wall, the first concrete layer 2 being successively cast in template 1 from the bottom to top and the second concrete layer 3 and is laid with Coarse aggregate layer 4(Fig. 2 on the second concrete layer 3), the illustration is omitted lower section shear wall and several pieces of templates 1；Second is mixed Solidifying soil layer 3 is to be mixed with undisguised material rinsing agent by normal concrete doping and stir to be formed, in the first concrete layer 2 and the second concrete It will form construction joint 5 between layer 3；Lower part shear wall formwork completes the first concrete layer of after-pouring 2 to design height, usually divides Layer pours, and every layer pours with a thickness of 500mm, and vibrating spear insertion point uniformly should prevent more vibrations or leakage；It is poured again after vibrating Second concrete layer 3, the thickness of the second concrete are about 10cm, before 3 initial set of the second concrete layer, are laid with coarse aggregate layer 4, to After first concrete layer 2 reaches some strength, 3 surface of the second concrete layer is rinsed with clear water, utilizes the slow of the second concrete layer 3 Solidifying effect rinses out 5 section surface cement slurry of construction joint and exposes the formation rough surface of coarse aggregate layer 4.

As shown in figure 3, template 1 is fixed on the peripheral wall of shear wall by built-in fitting 6, built-in fitting 6 includes Ruo Gan ∟ shape Metalwork 61, the both ends of metalwork 61 pass through rivet 62 respectively and are fixed on template 1 and shear wall, and in metalwork 61 and template 1, it is bonded with light sealing item 63 on the contact surface of shear wall, significantly improves built-in fitting 6 to close between template 1 and shear wall Envelope, waterproof performance.

As shown in Fig. 2, being laid with interfacial TCO layer 7, pouring structure coagulation on boundary layer 7 in the upper surface of the second concrete layer 3 Soil layer 8 is inserted into stiffener 9 into the first concrete layer 2, the bottom end of stiffener 9 is prolonged before 2 initial set of the first concrete layer It extends in construction joint 5, the top of stiffener 9 stretches out the second concrete layer 3 and extends to structural concrete layer 8, ensure that this The integral strength of reserved molding structure.

As shown in Figure 1, several Screw arbor with nut at both-ends 10, edge are equipped in the opposing sidewalls of the second concrete layer 3 in template 1 Equidistantly distributed on 1 length direction of template guarantees the reserved molding structure anti-receiving pulling force with higher and resists to hold By pressure, stable working state；And infiltration can be good.

Construction method:

(1) formwork on the peripheral wall of shear wall, pours normal concrete to design height；

(2) the ad eundem concrete for being mixed with undisguised material rinsing agent is poured again；

(3) coarse aggregate is layered on to the upper surface of ad eundem concrete before the normal concrete initial set of step (1)；

(4) after the intensity that concrete reaches certain, demoulding simultaneously rinses concrete upper surface with clear water, and it is former to expose concrete The rough surface of beginning gradation texture；

(5) after concrete reaches design strength, it is laid with a bed boundary agent in concrete surface, then pouring structure coagulation Soil.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (7)

1. a kind of shear wall horizontal construction joint rough surface reserves molding construction structure, it is characterised in that: including supporting in shear wall Template (1) on peripheral wall, the first concrete layer (2) being successively cast in template (1) from the bottom to top and the second concrete layer (3) And it is laid on the coarse aggregate layer (4) on the second concrete layer (3), second concrete layer (3) is mixed by normal concrete It is hybrid to there is undisguised material rinsing agent to stir to be formed, construction joint is formed between first concrete layer (2) and the second concrete layer (3) (5)。

2. shear wall horizontal construction joint rough surface according to claim 1 reserves molding construction structure, it is characterised in that: institute It states template (1) to be fixed on the peripheral wall of shear wall by built-in fitting (6), the built-in fitting (6) includes the metalwork of Ruo Gan ∟ shape (61), the both ends of the metalwork (61) pass through rivet (62) respectively and are fixed on template (1) and shear wall.

3. shear wall horizontal construction joint rough surface according to claim 2 reserves molding construction structure, it is characterised in that: institute State metalwork (61) be bonded with light sealing item (63) on the contact surface of template (1), shear wall.

4. shear wall horizontal construction joint rough surface according to claim 1 reserves molding construction structure, it is characterised in that: institute State the second concrete layer (3) with a thickness of 8 ~ 12cm.

5. shear wall horizontal construction joint rough surface according to claim 1 reserves molding construction structure, it is characterised in that: institute The upper surface for stating the second concrete layer (3) is laid with boundary layer (7), pouring structure concrete layer (8) on the boundary layer (7).

6. shear wall horizontal construction joint rough surface according to claim 5 reserves molding construction structure, it is characterised in that: institute It states in the second concrete layer (3) and is inserted into stiffener (9), the top of the stiffener (9) extends to structural concrete layer (8), the bottom end of the stiffener (9) extends in construction joint (5).

7. shear wall horizontal construction joint rough surface according to claim 6 reserves molding construction structure, it is characterised in that: institute It states the opposing sidewalls on template (1) positioned at the second concrete layer (3) and is equipped with several Screw arbor with nut at both-ends (10).