Pool structure of anti-cracking laminated wallboards and construction method

Abstract

The invention relates to a pool structure of anti-cracking laminated wallboards and a construction method.The pool structure of the anti-cracking laminated wallboards comprises a plurality of laminated slab bottom plates, a reinforced concrete layer and a plurality of permanent formworks, the multiple laminated slab bottom plates are connected through bolts, each laminated slab bottom plate comprises an ultra-high-toughness concrete slab, and the reinforced concrete layer is arranged on the reinforced concrete slab; the ultrahigh-toughness concrete plate is positioned on one side of the laminated slab bottom plate along the thickness direction; the permanent formworks are connected with the laminated slab bottom plates in a one-to-one correspondence mode, each permanent formwork comprises a steel formwork and a heat preservation layer, the heat preservation layer is located on the side, away from the ultrahigh-toughness concrete slab, of the steel formwork, and a cavity is formed between the steel formwork and the ultrahigh-toughness concrete slab; the reinforced concrete layer is at least partially arranged in a cavity between the steel formwork and the ultrahigh-toughness concrete plate. The pool structure of the anti-cracking laminated wall plates has a better anti-cracking effect, so that the usability, the safety and the durability of the pool are improved.

Description

Technical Field

[0001] The present application relates to the technical field of fire water pools, and in particular to a water pool structure and a construction method of an anti-cracking composite wall panel. Background Art

[0002] Building fire protection design is a necessary design. When the municipal water supply network or household inlet pipes cannot meet the needs of fire protection design, it is necessary to build water absorption and storage facilities, usually fire water pools. Fire water pools built with reinforced concrete materials are prone to thermal expansion and contraction during use due to temperature changes, resulting in cracking. If the fire water pool can achieve the effect of not cracking when subjected to large earthquake forces and other loads, it will surely become a key water source after the earthquake. Therefore, it is crucial to develop a crack-resistant pool structure. Summary of the invention

[0003] A first aspect of an embodiment of the present application provides a pool structure with anti-cracking composite wall panels, which has a better anti-cracking effect, thereby improving the usability, safety and durability of the pool.

[0004] The first aspect of the embodiment of the present application provides a pool structure of crack-proof composite wall panels, comprising: a plurality of composite panel bottom plates, the plurality of composite panel bottom plates are connected by bolts, the composite panel bottom plates comprise ultra-high toughness concrete panels, and the ultra-high toughness concrete panels are located on one side of the composite panel bottom plates along the thickness direction; A plurality of permanent formworks, wherein the plurality of permanent formworks are connected to the plurality of composite plate bottom plates in a one-to-one correspondence, wherein the permanent formworks include a steel formwork and a thermal insulation layer, wherein the thermal insulation layer is located on a side of the steel formworks away from the ultra-high toughness concrete plate, and a cavity is provided between the steel formworks and the ultra-high toughness concrete plate; A reinforced concrete layer is at least partially disposed in the cavity between the steel formwork and the ultra-high toughness concrete slab.

[0005] In addition, the pool structure of the anti-cracking composite wallboard provided in the embodiment of the present application also has the following additional technical features: In an optional scheme, the composite plate bottom plate also includes a first flange plate and a first web plate, the first flange plate is located on opposite sides of the composite plate bottom plate along the length direction, and the first web plate is located on opposite sides of the composite plate bottom plate along the width direction; the first flange plate has a first connecting portion, and the first web plate has a second connecting portion.

[0006] In an optional scheme, the first connecting portion includes a first through-length groove and a plurality of first through holes, and the first through-length groove and the first through holes are respectively arranged on the first flange plates on opposite sides; the second connecting portion includes a second through-length groove and a plurality of second through holes, and the second through-length groove is arranged on at least one side of the first web, and / or the second through holes are arranged on at least one side of the first web.

[0007] In an optional solution, the permanent formwork further includes a second flange plate and a second web plate, wherein the second flange plate is located on at least one side of the permanent formwork along the length direction, and the second web plate is located on two opposite sides of the permanent formwork along the width direction; the second flange plate has a third connecting portion, and the second web plate has a fourth connecting portion, and at least one of the third connecting portion and the fourth connecting portion can be correspondingly connected to at least one of the first connecting portion and the second connecting portion.

[0008] In an optional scheme, the third connecting part includes a U-groove clamp and a plurality of third through holes, and the U-groove clamp can be connected or clamped with the first connecting part; the fourth connecting part includes a flange clamp, or the fourth connecting part includes a flange clamp and a plurality of fourth through holes, and the flange clamp can be connected or clamped with the second connecting part.

[0009] In an optional solution, the reinforced concrete layer includes a steel mesh and concrete, the steel mesh is arranged in a criss-cross pattern and passes through a plurality of the composite slab bottom plates, and the concrete is poured in the cavity between the steel formwork and the ultra-high toughness concrete slab.

[0010] A second aspect of the present application provides a construction method for a crack-resistant composite wall panel pool structure, comprising the following steps: Assembling the composite plate bottom plates: aligning the first flange plates and the first web plates of the multiple composite plate bottom plates respectively, and splicing the multiple composite plate bottom plates by bolts; Arrangement of the steel mesh: pass the horizontal steel bars through the first web plate, pass the vertical steel bars through the first flange plate, and fix the horizontal and vertical steel bars at the intersection by tying or welding; Setting up the permanent formwork: aligning the U-groove clamps on the permanent formwork with the first flange plate embedded in the bottom plate of the composite plate, and aligning the flange clamps on the permanent formwork with the first web plate embedded in the bottom plate of the composite plate; Concrete pouring: pouring concrete between the composite slab bottom plate and the permanent formwork to form a complete pool structure of the anti-cracking composite wall panel.

[0011] The beneficial effects of the embodiments of the present application are: The pool structure of the anti-cracking composite wall panels in the embodiment of the present application forms the first anti-cracking line of defense through the ultra-high toughness concrete slab, and the ultra-high toughness concrete can give full play to the tensile and energy absorption capacity of the concrete; the reinforced concrete layer is arranged between the steel formwork and the ultra-high toughness concrete slab to form the second anti-cracking line of defense, and the steel formwork and insulation layer of the permanent formwork are arranged on the outside to form the third anti-cracking line of defense. The steel formwork can bring greater rigidity and bearing capacity to the structure, and the insulation board can effectively provide insulation effect for the pool, so that the pool structure of the anti-cracking composite wall panels has better anti-cracking effect, thereby improving the usability, safety and durability of the pool.

[0012] It should be understood that the foregoing general description and the following detailed description are exemplary only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic structural diagram of a crack-resistant composite wallboard provided in the present application in a specific embodiment; Figure 2 A schematic structural diagram of a composite board bottom plate provided in the present application in a specific embodiment; Figure 3 for Figure 2 Schematic diagram of the cross-sectional structure of the composite plate bottom plate at AA; Figure 4 for Figure 2 A schematic diagram of the cross-sectional structure of the composite plate bottom plate at BB; Figure 5 for Figure 2 Schematic diagram of the cross-sectional structure of the composite plate bottom plate at CC; Figure 6 for Figure 2 Schematic diagram of the cross-sectional structure of the composite plate bottom plate at DD; Figure 7 A schematic diagram of the structure of a permanent template provided in this application in a specific embodiment; Figure 8 for Figure 7 Schematic diagram of the cross-sectional structure of the permanent template at AA; Fig. 9 for Figure 7 A schematic diagram of the cross-sectional structure of the permanent template at BB; Fig.10 for Figure 7 Schematic diagram of the cross-sectional structure of the permanent template at CC; Fig.11 for Figure 7 Schematic diagram of the cross-sectional structure of the permanent template at DD; Fig.12A schematic diagram of the structure of the permanent template provided in this application in another specific embodiment; Fig.13 A schematic structural diagram of a permanent template provided in the present application in another specific embodiment; Figure numerals: composite slab bottom plate 1, ultra-high toughness concrete slab 11, first flange plate 12, first web 13, first through-length groove 14, first through hole 15, second through-length groove 16, second through hole 17, bolt 2, permanent formwork 3, insulation layer 30, steel formwork 31, second flange plate 32, second web 33, U-slot clamp 34, third through hole 35, flange clamp 36, fourth through hole 37, reinforced concrete layer 4, steel mesh 41.

[0014] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application. DETAILED DESCRIPTION

[0015] In order to better understand the technical solution of the present application, the embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0016] It should be clear that 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 ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0017] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the embodiments of the present application and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings.

[0018] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0019] It should be noted that the directional words such as "upper", "lower", "left", and "right" described in the embodiments of the present application are described at the angles shown in the accompanying drawings and should not be understood as limiting the embodiments of the present application. In addition, in the context, it is also necessary to understand that when it is mentioned that an element is connected to another element "upper" or "lower", it can not only be directly connected to another element "upper" or "lower", but also indirectly connected to another element "upper" or "lower" through an intermediate element.

[0020] like Figure 1-13 As shown, the first aspect of the embodiment of the present application provides a pool structure of an anti-cracking composite wall panel, and the pool structure of the anti-cracking composite wall panel includes a plurality of composite panel bottom plates 1, a plurality of permanent formworks 3, and a reinforced concrete layer 4. Among them, the plurality of composite panel bottom plates 1 are connected by bolts 2, and the composite panel bottom plates 1 include an ultra-high toughness concrete plate 11, and the ultra-high toughness concrete plate 11 is located on one side of the composite panel bottom plate 1 along the thickness direction; the plurality of permanent formworks 3 are connected to the plurality of composite panel bottom plates 1 in a one-to-one correspondence, and the permanent formworks 3 include a steel formwork 31 and an insulation layer 30, and the insulation layer 30 is located on the side of the steel formwork 31 away from the ultra-high toughness concrete plate 11, and there is a cavity between the steel formwork 31 and the ultra-high toughness concrete plate 11; the reinforced concrete layer 4 is at least partially arranged in the cavity between the steel formwork 31 and the ultra-high toughness concrete plate 11.

[0021] In this embodiment, the pool structure of the anti-cracking composite wall panel forms a first anti-cracking line of defense through the ultra-high toughness concrete slab 11, and the ultra-high toughness concrete can give full play to the tensile strength and energy absorption capacity of the concrete; the reinforced concrete layer 4 is arranged between the steel formwork 31 and the ultra-high toughness concrete slab 11 and forms a second anti-cracking line of defense, and the steel formwork 31 and the insulation layer 30 of the permanent formwork 3 are arranged on the outside to form a third anti-cracking line of defense. The steel formwork 31 can bring greater rigidity and bearing capacity to the structure, and the insulation board can effectively provide insulation effect for the pool, so that the pool structure of the anti-cracking composite wall panel has a better anti-cracking effect, thereby improving the usability, safety and durability of the pool.

[0022] like Figure 2-6 As shown, in a specific embodiment, the composite plate bottom plate 1 further includes a first flange plate 12 and a first web plate 13, the first flange plate 12 is located at two opposite sides of the composite plate bottom plate 1 along the length direction, and the first web plate 13 is located at two opposite sides of the composite plate bottom plate 1 along the width direction; the first flange plate 12 has a first connecting portion, and the first web plate 13 has a second connecting portion. Specifically, the first connecting portion includes a first through-length groove 14 and a plurality of first through holes 15, and the first through-length groove 14 and the first through holes 15 are respectively arranged on the first flange plates 12 on two opposite sides; the second connecting portion includes a second through-length groove 16 and a plurality of second through holes 17, and the second through-length groove 16 is arranged on at least one side of the first web plate 13, and / or the second through holes 17 are arranged on at least one side of the first web plate 13.

[0023] In this embodiment, the first flange plate 12 and the first web plate 13 of the composite plate bottom plate 1 are composed of steel plates, and the first through-length groove 14, the second through-length groove 16, the first through hole 15 and the second through hole 17 can all serve as one or more of the following functions during assembly: a passage for the bolt 2 to pass through for fixation, a passage for the steel mesh 41 in the reinforced concrete layer 4 to pass through, a connection with the permanent formwork 3, and a circulation channel for cast-in-place concrete. The specific function is determined according to the positions of the first through-length groove 14, the second through-length groove 16, the first through hole 15 and the second through hole 17. For example, the first through-length groove 14 can simultaneously serve as the three functions of a passage for the steel mesh 41 to pass through, a connection with the permanent formwork 3, and a circulation channel for cast-in-place concrete, which is not specifically limited in this article.

[0024] The ultra-high toughness concrete slab 11 is cast from ultra-high toughness cement-based composite materials and fixedly arranged in the composite slab bottom plate 1. The ultra-high toughness cement-based composite materials have good toughness and energy absorption capacity. The ultimate tensile strain of ultra-high toughness concrete can reach 3% to 6%, which is much greater than 0.01% of ordinary concrete and better than 0.15% of ultra-high performance concrete. The use of ultra-high toughness concrete in the bottom plate of the composite wall panel can significantly improve the anti-cracking performance of the wall panel, and the ultra-high toughness concrete can also absorb part of the energy during the shaking of the water body.

[0025] like Figure 7-13 As shown, in a specific embodiment, the permanent formwork 3 also includes a second flange plate 32 and a second web plate 33, the second flange plate 32 is located on at least one side of the permanent formwork 3 along the length direction, and the second web plate 33 is located on opposite sides of the permanent formwork 3 along the width direction; the second flange plate 32 has a third connecting portion, and the second web plate 33 has a fourth connecting portion, and at least one of the third connecting portion and the fourth connecting portion can be connected to at least one of the first connecting portion and the second connecting portion. Specifically, the third connecting portion includes a U-groove card and a plurality of third through holes 35, and the U-groove card can be connected or clamped with the first connecting portion; the fourth connecting portion includes a flange card 36, or the fourth connecting portion includes a flange card 36 and a plurality of fourth through holes 37, and the flange card 36 can be connected or clamped with the second connecting portion. Such a splicing method can realize rapid splicing, and the connection and fixation of the composite plate bottom plate 1 and the permanent formwork 3, the composite plate bottom plate 1 and the permanent formwork 3 can realize splicing construction, and even if the concrete is poured on site, there is no need to support the formwork on site, which truly realizes green construction.

[0026] In this embodiment, the second flange plate 32 and the second web plate 33 of the permanent formwork 3 correspond to the first flange plate 12 and the first web plate 13 of the composite plate bottom plate 1, respectively. The second flange plate 32 and the second web plate 33 may also be steel plates. The third through hole 35 and the fourth through hole 37 on the second flange plate 32 may be used for the bolt 2 to pass through, and the U-groove clamp is embedded in the first flange plate 12 of the composite plate bottom plate 1. In addition, the second web plate 33 is provided with a covering bottom plate web plate on the side to ensure the package, and the flange clamp 36 is embedded in the first web plate 13 of the composite plate bottom plate 1, and is in an alternating bite posture with the second web plate 33 of another adjacent permanent formwork 3.

[0027] In this embodiment, the steel formwork 31 and the insulation board are made into a permanent formwork 3, and a connecting clamp is set on the permanent formwork 3. After the assembly of the composite board bottom plate 1 and the punching of the steel bars are completed, the permanent formwork 3 is fixed to the composite board bottom plate 1 through the connecting clamp, which can avoid the on-site formwork construction procedure of concrete pouring. The insulation board is arranged on the outside of the permanent formwork 3, which can also prevent excessive temperature difference and keep the pool structure warm.

[0028] The composite slab bottom plate 1 in the embodiment of the present application is made of ultra-high toughness concrete, and the permanent formwork 3 includes a steel formwork 31 with an insulation board. Both are provided with flange plates and web plates around them, and the flange plates and web plates have quick assembly, and the bolts 2 and steel bars pass through the channel, which is convenient for quick installation and fixing. The composite slab, the permanent formwork 3 and the middle cavity formed by the two form three anti-cracking lines of defense, ensuring the anti-cracking performance of the pool structure.

[0029] like Figure 1 As shown, in a specific embodiment, the reinforced concrete layer 4 includes a steel mesh 41 and concrete, the steel mesh 41 is crisscrossed and passes through multiple composite slab bottom plates 1, and the concrete is poured in the cavity between the steel formwork 31 and the ultra-high toughness concrete slab 11.

[0030] A second aspect of the embodiment of the present application provides a construction method for a crack-resistant composite wall panel pool structure, the construction method mainly comprising the following steps: Assembling the composite plate bottom plates 1: aligning the first flange plates 12 and the first web plates 13 of the multiple composite plate bottom plates 1 respectively, and splicing the multiple composite plate bottom plates 1 by means of bolts 2; Arrangement of the steel mesh 41: the horizontal steel bars are passed through the first web 13, the vertical steel bars are passed through the first flange plate 12, and the horizontal and vertical steel bars are fixed at the intersection by binding or welding; Setting up the permanent formwork 3: align the U-groove clamps on the permanent formwork 3 with the first flange plate 12 embedded in the composite board bottom plate 1, and align the flange clamps 36 on the permanent formwork 3 with the first web plate 13 embedded in the composite board bottom plate 1; Concrete pouring: pour concrete between the composite slab bottom plate 1 and the permanent formwork 3 to form a complete pool structure of the anti-cracking composite wall panel.

[0031] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A pool structure with anti-cracking composite wall panels, characterized in that: include: A plurality of composite plate bottom plates, wherein the plurality of composite plate bottom plates are connected by bolts, wherein the composite plate bottom plates include ultra-high toughness concrete plates, and the ultra-high toughness concrete plates are located on one side of the composite plate bottom plates along the thickness direction; A plurality of permanent formworks, wherein the plurality of permanent formworks are connected to the plurality of composite plate bottom plates in a one-to-one correspondence, wherein the permanent formworks include a steel formwork and a thermal insulation layer, wherein the thermal insulation layer is located on a side of the steel formworks away from the ultra-high toughness concrete plate, and a cavity is provided between the steel formworks and the ultra-high toughness concrete plate; A reinforced concrete layer is at least partially disposed in the cavity between the steel formwork and the ultra-high toughness concrete slab.

2. The pool structure of the anti-cracking composite wallboard according to claim 1 is characterized in that: The composite plate bottom plate also includes a first flange plate and a first web plate, wherein the first flange plate is located on opposite sides of the composite plate bottom plate along the length direction, and the first web plate is located on opposite sides of the composite plate bottom plate along the width direction; the first flange plate has a first connecting portion, and the first web plate has a second connecting portion.

3. The pool structure of the anti-cracking composite wallboard according to claim 2 is characterized in that: The first connecting portion includes a first through-length groove and a plurality of first through holes, and the first through-length groove and the first through holes are respectively arranged on the first flange plates on opposite sides; the second connecting portion includes a second through-length groove and a plurality of second through holes, and the second through-length groove is arranged on at least one side of the first web, and / or the second through holes are arranged on at least one side of the first web.

4. The pool structure of the anti-cracking composite wallboard according to claim 2 or 3, characterized in that: The permanent formwork also includes a second flange plate and a second web plate, wherein the second flange plate is located on at least one side of the permanent formwork along the length direction, and the second web plate is located on two opposite sides of the permanent formwork along the width direction; the second flange plate has a third connecting portion, and the second web plate has a fourth connecting portion, and at least one of the third connecting portion and the fourth connecting portion can be correspondingly connected to at least one of the first connecting portion and the second connecting portion.

5. The pool structure of the anti-cracking composite wallboard according to claim 4 is characterized in that: The third connecting part includes a U-groove clamp and a plurality of third through holes, and the U-groove clamp can be connected or clamped with the first connecting part; the fourth connecting part includes a flange clamp, or the fourth connecting part includes a flange clamp and a plurality of fourth through holes, and the flange clamp can be connected or clamped with the second connecting part.

6. The pool structure of the anti-cracking composite wallboard according to any one of claims 1 to 3 or 5, characterized in that: The reinforced concrete layer includes a steel mesh and concrete. The steel mesh is arranged in a crisscross pattern and passes through a plurality of the composite slab bottom plates. The concrete is poured in the cavity between the steel formwork and the ultra-high toughness concrete slab.

7. A construction method for a crack-resistant composite wall panel pool structure, characterized in that: The following steps are involved: Assembling the composite plate bottom plates: aligning the first flange plates and the first web plates of the multiple composite plate bottom plates respectively, and splicing the multiple composite plate bottom plates by bolts; Arrangement of the steel mesh: pass the horizontal steel bars through the first web plate, pass the vertical steel bars through the first flange plate, and fix the horizontal and vertical steel bars at the intersection by tying or welding; Setting up the permanent formwork: aligning the U-groove clamps on the permanent formwork with the first flange plate embedded in the bottom plate of the composite plate, and aligning the flange clamps on the permanent formwork with the first web plate embedded in the bottom plate of the composite plate; Concrete pouring: pouring concrete between the composite slab bottom plate and the permanent formwork to form a complete pool structure of the anti-cracking composite wall panel.

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