CN212689323U - Laminated wall board with transverse ribs - Google Patents

Abstract

The utility model provides a take cross rib coincide wallboard, its leading features is: 1. a transverse rib is arranged; 2. there are triangular lacing wires. The transverse ribs and the vertical ribs ensure that the wall board has small reduced thickness and light weight, and the triangular tie bars ensure the integrity of the two sheets of wall boards and post-cast concrete in cavities of the two sheets of wall boards. The wall plate is not only a template of the shear wall, but also a part of the shear wall structure, and is characterized in that the wall plate can meet the structural requirements of reinforcing bars of the constraint edge member, so that the shear wall is simple in construction, high in efficiency, low in manufacturing cost and good in stress performance.

Description

Laminated wall board with transverse ribs

Technical Field

The utility model relates to an assembled concrete shear force wall belongs to engineering construction technical field.

Background

The existing various fabricated concrete shear walls basically belong to an assembled integral type, and are combined by prefabrication and cast-in-place.

The high-rise dwelling house adopts a concrete shear wall structure, the total thickness of the shear walls is generally 200mm, all the shear walls on a plurality of layers at the bottom, the edge components of the shear walls on the layers and the like are generally cast in place, the shear walls on the layers are generally formed by casting in situ at the periphery, casting in situ is prefabricated in the middle, casting in situ is not prefabricated, and the construction is more complicated than that of the cast-in-situ shear walls, the efficiency is low, the manufacturing cost is high, the stress performance is poor, and the development of the construction of the assembly type dwelling house is seriously influenced.

The double-faced superposed shear wall is a common assembled integral shear wall, is commonly called a double-skin wall, and is formed by connecting an inner leaf wall and an outer leaf wall through truss steel bars or other modes, wherein a middle cavity is post-cast concrete. The inner and outer leaf walls are not only templates of the shear wall but also stress members of the wall body, and are generally 50-60 mm thick, 200mm in total thickness and 80-100 mm in cavity. The inner and outer leaf walls of the double-sided superposed shear wall are connected through truss steel bars or bolts and the like, and form a whole with the cavity post-cast concrete, and are stressed together. The existing production process generally comprises flat die production, turnover group pairing, secondary vibration and secondary maintenance. Besides the problems of production and construction, the width of the cavity is 80-100 mm, the structural requirement of edge member reinforcement is difficult to meet, and the edge member has to be cast in situ due to the complexity of edge member reinforcement.

Disclosure of Invention

For solving the problem that exists in the production of the integral shear force wall of current assembly, the construction, refer to two leather wall techniques for reference, the utility model provides a take horizontal rib coincide wallboard of integral shear force wall construction usefulness of assembly, see attached 1 ~ 3, its characterized in that:

1. an intercostal plate 11;

2. inwardly projecting cross ribs 12;

3. vertical ribs 13 are arranged between the transverse ribs 12 or not; preferably, vertical ribs 13 are present and have a height less than that of the transverse ribs 12;

4. the vertical ribs 14 and the transverse ribs 15 are preferably arranged at the vertical ribs 13 and the transverse ribs 12 in a group of two, the two ends of the vertical ribs 14 and the transverse ribs 15 can be thrown out of the beard ribs, wherein the two ends of the vertical ribs 14 can be thrown out of the V-shaped or U-shaped upper beard ribs 7 and the lower beard ribs 8;

5. the inward thrown triangular tie bars 16 are preferably arranged at the intersection of the transverse ribs 12 and the vertical ribs 13, and are horizontally or vertically placed to sleeve the vertical ribs 14 or the transverse ribs 15;

6. the inner surface of the wallboard is rough and pitted;

7. the wallboard perimeter may be serrated or otherwise concave and convex.

The transverse ribs are necessary, and the vertical ribs can be arranged according to requirements, and are mainly used for reducing the thickness of the plate between the ribs and reducing the weight of the wall plate.

The beard ribs are exposed parts of the vertical ribs or the transverse ribs, and do not need to be additionally arranged.

Take transverse rib coincide wallboard mainly used assembled concrete shear force wall, see fig. 4, its characterized in that: the wall plate comprises a first laminated wall plate 1 with transverse ribs, a second laminated wall plate 2 with transverse ribs, and inter-plate post-cast concrete or reinforced concrete 3 which comprises edge member reinforced concrete.

The construction method of the fabricated concrete shear wall adopting the composite wallboard with the transverse ribs and the composite floor slab refers to the attached drawings 1-6, and comprises the following steps:

1. after the precast slabs 4 of the laminated floor slab are installed on the lower shear wall, an edge member reinforcement cage is bound, and the edge member reinforcement cage comprises longitudinal reinforcements 17 and stirrups 18;

2. installing a first laminated wallboard 1 with transverse ribs, and inserting a lacing bar 16 at an edge member into an edge member reinforcement cage;

3. installing a second laminated wallboard 2 with transverse ribs, inserting the tie bars 16 at the edge members into the reinforcement cages of the edge members, and overlapping the tie bars 16 with the tie bars 16 of the first laminated wallboard 1 with transverse ribs;

4. the lower beard rib 7 of the upper layer wall board and the upper beard rib 8 of the lower layer wall board can be lapped or pinned in the height range of the laminated floor slab or the height range of the post-cast layer 5;

5. binding negative bars of the floor slab, and pouring post-cast layer concrete 5 of the composite floor slab;

6. and pouring concrete 3 between the two laminated wallboards with the transverse ribs, wherein the concrete is preferably self-compacting concrete.

The pin joint means that the upper beard rib 8 and the lower beard rib 7 are overlapped in a small amount, a pin rib 6 similar to a pin can be exactly inserted into the pin joint, and the upper beard rib 8 and the lower beard rib 7 hook the pin rib 6.

The edge member stirrup 18 is vertically spaced from the cross rib 12, and completely or partially overlaps in horizontal projection; the longitudinal ribs 17 of the edge member may be arranged entirely in the post-cast concrete 3.

The shear wall reinforcing steel bars other than the edge members may be partially arranged in the post-cast concrete 3 as needed, and preferably, may be completely arranged in the cross-ribbed composite wall panel.

The above features determine that the height of the vertical and transverse ribs is very small, so that the laminated wallboard with transverse ribs may be lifted and installed from the flat die with the supporting plate or bracket, or lifted and installed with the supporting plate or bracket.

When the mutually overlapped lacing wires or beard wires are collided, the problem can be solved by slightly bending.

The ribbed laminated wall panel may be pre-stressed.

Drawings

FIG. 1 is a schematic elevation view of a laminated wall panel with transverse ribs; FIG. 2 is a schematic vertical section of a laminated wall panel with transverse ribs; FIG. 3 is a schematic vertical cross-sectional view of a reinforcing bar of a laminated wall panel with transverse ribs; FIG. 4 is a schematic vertical section of a shear wall of a laminated wall panel with transverse ribs; FIG. 5 is a schematic vertical cross-sectional view of a shear wall showing the relationship between an edge member reinforcement cage and a ribbed composite wall panel; FIG. 6 is a schematic vertical section showing the relationship between a shear wall of a laminated wall panel with transverse ribs and a laminated floor slab.

Advantageous effects

In the shear wall in the embodiment, if a double-skin wall technology is adopted, the spacing between steel bar trusses is generally 600-750 mm, and the edge member steel bar cage and the truss steel bars are framed; the minimum theoretical clear distance of the longitudinal ribs of the edge member is less than 40mm, and the structural requirement of the minimum clear distance of the longitudinal ribs is not met. Therefore, the edge member can not be used as a template by using prefabricated wall plates, and can only be additionally provided with a template and completely cast in place. In addition, for a double-skin wall of 5x2.85m, the total weight is nearly 4 tons, and a heavy tower crane is needed.

The utility model provides a take cross rib coincide wallboard shear force wall and construction method thereof, wherein take cross rib coincide wallboard not only the template, but also a part of shear force wall structure, can provide convenient condition for the arrangement of reinforcement of edge component, especially restraint edge component, solved in the construction of current assembly integral concrete shear force wall, have to peripheral cast-in-place, prefabricated prefabrication not prefabricated in the middle of, cast-in-place not cast-in-place four do not like the problem that the assembly shear force wall exists, and the conversion thickness is little, light in weight, the tower crane of general high-rise housing construction usefulness can be hoisted, low to the requirement of tower crane, the construction is simple, high efficiency, the cost is low; the lap joint of the triangular lacing wire which sleeves the vertical rib or the transverse rib and the lap joint or the pin joint of the V-shaped or U-shaped beard rib thrown out from the upper part and the lower part of the wallboard have simple structure, ensure the integrity of the two parts of prefabrication and post-pouring as well as the shear walls on the upper layer and the lower layer and ensure the stress performance of the shear walls.

Therefore, the utility model discloses have good technique, economy and social, must will actively impel the rapid development of assembled shear wall structure.

Detailed Description

Shear wall among the integral concrete shear wall structure of assembly of high-rise dwelling house, total thickness 200mm adopts and takes cross rib coincide wallboard shear wall, and its basic data is as follows:

the wallboard is 5m long, 2.87m high, the inter-rib plate thickness is 25mm, the vertical rib protrudes 10mm, 70mm wide, the transverse rib protrudes 20mm, 70mm wide, the vertical rib, transverse rib centre distance are 300mm, the vertical rib, transverse rib are all disposed in vertical rib, transverse rib, all 2 phi 10@50, the vertical rib is inside, the transverse rib is outside, each vertical rib, transverse rib meet each other set up a phi 4 triangle-shaped tie bar, put vertically, entangle the transverse rib, throw out the length about 90 mm; the lower edge of the wallboard is in a rectangular tooth shape, is arranged among the vertical ribs, and has the width of 150mm and the height of 120 mm; the beard tendon is thrown in a V shape, the upper beard tendon is thrown for about 55mm, and the lower beard tendon is thrown for about 95 mm.

The converted thickness of the wall board is less than 35mm, and the weight of one wall board is less than 1.5 tons.

The wall plate is prefabricated by steel mould in factory, after initial setting and before final setting, the concrete is processed by rough inner surface, the supporting plate is taken to stand up, and the lifting and installation are carried out.

The edge member is a constraint edge member with the length of 1.0m, the stirrup phi 8@150 and the longitudinal bar 16 phi 20, the edge member reinforcement cage is completely arranged in the post-cast concrete, and the post-cast concrete is self-compacting concrete.

The width of the transverse rib is 70mm, the stirrup phi 8@150 of the edge member is formed, and the theoretical clear distance between the stirrup and the transverse rib is more than 30 mm; the theoretical clear distance of the longitudinal ribs of the edge member is more than 60mm, and the structural requirement is met.

Claims (2)

1. Take horizontal rib coincide wallboard, its characterized in that:

an intercostal plate (11); an inwardly projecting cross rib (12); vertical ribs (13) are arranged among the transverse ribs (12); the vertical ribs (14) and the transverse ribs (15) are arranged at the vertical ribs (13) and the transverse ribs (12) in a group of two; the two ends of the vertical rib (14) and the transverse rib (15) can be thrown out of the beard rib, wherein the two ends of the vertical rib (14) are thrown out of the V-shaped or U-shaped upper beard rib (7) and the lower beard rib (8); triangular tie bars (16) thrown inwards are arranged at the junction of the transverse ribs (12) and the vertical ribs (13), are horizontally or vertically placed and are sleeved on the vertical ribs (14) or the transverse ribs (15); the inner surface of the wallboard is rough and pitted; the periphery of the wall plate is toothed.

2. A ribbed, laminated wall panel as defined in claim 1, further characterized by:

vertical ribs (13) are not arranged between the transverse ribs (12); vertical ribs (14) arranged in groups of two at a time; the triangular tie bars (16) thrown inwards are arranged at the junction of the transverse bars (15) and the vertical bars (14), are horizontally or vertically placed and are sleeved on the vertical bars (14) or the transverse bars (15).

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