A building structure with dense rib connections of prefabricated wall panels and its construction method

Abstract

The present invention relates to a building structure with dense rib connection of prefabricated wall panels and a construction method thereof, comprising a foundation, a prefabricated assembled wall and a floor slab connected in sequence from bottom to top, the prefabricated assembled wall comprising a group of light-weight wall panels spliced ​​with each other, the supporting member being a group of steel pipes vertically penetrating the assembled wall, a mounting body having an upper surface fixed to the steel pipe prefabricated in the foundation, tie bars being arranged between two steel pipes near the junction of left and right adjacent light-weight wall panels, mortar layers for sealing being arranged at the upper and lower ends of the light-weight wall panels, and the tie bars being located in the mortar layer; a crossbeam overlapping with the upper surface of the prefabricated assembled wall is arranged at the top, a connecting locking mechanism is arranged between the top of the steel pipe and the lower surface of the crossbeam, an upper layer identical to the above structure is arranged on the crossbeam; a cross-supporting structure is arranged between the cross-beams, the floor slab of the upper layer is laid on the upper end surface of the cross-supporting structure, and a suspended ceiling is arranged on the lower end surface thereof; the present invention has simple construction and high efficiency, good thermal insulation effect of the building structure, and strong integrated stability.

Description

Technical Field

[0001] The invention belongs to the technical field of construction, and in particular relates to a building structure with dense-rib connection of prefabricated wall panels and a construction method thereof. Background Art

[0002] At present, there are two main forms of building structures. One is masonry, and its thermal insulation characteristics are achieved by setting up thermal insulation layers on materials or exterior walls. The other is modular assembly, which is achieved through prefabrication of thermal insulation materials and on-site installation. On this basis, the existing technical solutions include a technical solution that combines support members with prefabricated wall panels, which utilizes the thermal insulation effect of prefabricated wall panels and the better support and connection performance of support members. However, the structural stability and sealing performance need to be strengthened. Although the construction period is shorter than that of masonry construction, the wall panel molding turnover time prolongs the cycle time. Summary of the invention

[0003] The present invention makes up for the deficiencies of the prior art and provides a building structure with dense rib connections of prefabricated wall panels and a construction method thereof. The building structure has good integrated support and excellent thermal insulation performance, and is easy to construct, and the construction period is significantly shortened compared with the prior art.

[0004] The specific technical solution of the present invention is:

[0005] A building structure with dense rib connection of prefabricated wall panels, comprising a foundation, a prefabricated assembled wall and a floor slab connected in sequence from bottom to top, wherein the prefabricated assembled wall is connected to the foundation by means of the lower end of a support member, and is connected to the floor slab by means of the upper end of the support member, and the key point is that the prefabricated assembled wall comprises a group of lightweight wall panels spliced ​​together, the support member is a group of steel pipes or reinforced concrete columns vertically penetrating the prefabricated assembled wall, a mounting body whose upper surface is fixed to the support member is pre-buried in the foundation, tie bars are arranged between two support members near the junction of left and right adjacent lightweight wall panels, mortar layers for sealing are arranged at the upper and lower ends of the lightweight wall panels, and the tie bars are located in the mortar layer; a crossbeam coinciding with its upper surface is arranged at the top of the prefabricated assembled wall, a connecting locking mechanism is arranged between the top of the steel pipe and the lower surface of the crossbeam, and an upper layer identical to the above structure is arranged on the crossbeam; a cross-support structure is arranged between the crossbeams, the floor slab of the upper layer is laid on the upper end surface of the cross-support structure, and a suspended ceiling is arranged on its lower end surface.

[0006] The cross beam is a prefabricated reinforced concrete structure, and the cross support structure includes an upper cross tube and a lower cross tube respectively distributed on the upper and lower end surfaces of the cross beam, and a cross connecting rod is arranged between the upper cross tubes and the lower cross tubes.

[0007] The upper cross tube and the lower cross tube are connected and fixed in a staggered manner by means of a fixing rod.

[0008] The upper cross tube and the lower cross tube are arranged opposite to each other in the vertical direction, and a vertical connecting rod is arranged between the upper cross tube and the lower cross tube that are opposite to each other in the vertical direction.

[0009] The crossbeam is an I-beam or square steel structure, and a group of L-shaped support seats are arranged in the groove on the side of the I-beam or square steel. Purlins are arranged between the L-shaped support seats in the two opposite crossbeams. The purlins and the L-shaped support seats are fastened and fixed by bolts, and steel plate layers and cement mortar layers are laid on the purlins in sequence.

[0010] The key point of the construction method of the building structure with dense rib connection of prefabricated wall panels is that the construction method comprises the following steps:

[0011] A. Prefabricated wall panels

[0012] An N-shaped base that fits the inner wall of the molding cavity is installed in the molding cavity, and a group of molding tubes are arranged on the upper surface of the N-shaped base. After the casting material is injected into the molding cavity and solidified, a hook is inserted into the molding tube to move the N-shaped base together with the lightweight wallboard out of the molding cavity, and then curing is carried out. After the curing is completed, the N-shaped base and the molding tube are taken out to form a lightweight wallboard with a plug hole.

[0013] B. Pouring foundation

[0014] A groove is dug on the ground and the foundation is poured, a mounting body is prefabricated in the foundation, and the upper end surface of the mounting body is exposed from the upper end surface of the foundation;

[0015] C. Fixed support

[0016] The support members are welded and fixed on the installation body according to the spacing of the plug holes in the lightweight wall panels, a tie bar is arranged between two support members near the junction of the left and right adjacent lightweight wall panels, and a mortar layer is arranged on the layer where the tie bar thickness is located;

[0017] D. Hoisting lightweight wall panels

[0018] The lightweight wall panels are hoisted, and the support members are inserted into the plug holes and attached to the mortar layer. After each layer of lightweight wall panels is hoisted, tie bars are arranged between the two support members near the junction of the left and right adjacent lightweight wall panels, and a mortar layer is arranged at the layer where the tie bars are located, and finally a prefabricated assembled wall is formed;

[0019] E. Installation of beams and floor slabs

[0020] Beams are arranged on the mortar layer at the top of the assembly wall, and cross-support structures are set between the beams. The upper floor slab is set at the upper end of the cross-support structure, and a suspended ceiling is set at the lower end. Subsequently, the support members of the upper layer are fixed on the beams, and steps C and D are repeated to form the upper layer structure, and finally the required floor building is formed.

[0021] The beneficial effects of the present invention are as follows: the present invention adopts lightweight wall panels and steel pipes or reinforced concrete columns to be plugged and fixed to form an integral assembled wall, the construction is simple and quick, the thermal insulation effect, construction operability and overall strength can be taken into account, and the connection structure can be flexibly adjusted for different supporting occasions. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic structural diagram of Embodiment 1 of the present invention;

[0023] Figure 2 is a schematic structural diagram of a cross-support structure in Embodiment 2 of the present invention;

[0024] Figure 3 is a schematic structural diagram of a cross-support structure in Embodiment 3 of the present invention;

[0025] Figure 4 is a structural schematic diagram of a crossbeam and a cross-support structure in Embodiment 4 of the present invention;

[0026] Figure 5 It is a schematic structural diagram of the prefabricated lightweight wallboard during the pouring operation in the molding cavity in the present invention;

[0027] Figure 6 is a schematic diagram of the cross-sectional structure of the wall structure in Example 5 of the present invention;

[0028] Figure 7 , Figure 8 It is a schematic diagram of the connection structure of the tie bars between the steel pipes in the present invention;

[0029] Fig. 9 yes Figure 1 A schematic diagram of the enlarged structure of part A;

[0030] In the attached drawings, 1, foundation, 2, floor slab, 3, lightweight wall panel, 4, support member, 5, installation body, 6, tie bar, 7, mortar layer, 8, cross beam, 9, upper cross pipe, 10, lower cross pipe, 11, cross connecting rod, 12, fixing rod, 13, vertical connecting rod, 14, L-shaped support seat, 15, purlin, 16, steel plate layer, 17, cement mortar layer, 18, N-shaped base, 19, formed pipe, 20, inner wall, 21, outer wall, 22, insulation layer, 23, reinforcing connecting rod. DETAILED DESCRIPTION

[0031] The present invention relates to a building structure with dense ribs of prefabricated wall panels and a construction method thereof, comprising a foundation 1, a prefabricated assembled wall and a floor slab 2 connected in sequence from bottom to top, wherein the prefabricated assembled wall is connected to the foundation 1 at the lower end by means of a support member 4, and is connected to the floor slab 2 at the upper end by means of the support member 4, wherein the prefabricated assembled wall comprises a group of light-weight wall panels 3 spliced ​​together, wherein the support member 4 is a group of steel pipes or reinforced concrete columns vertically penetrating the prefabricated assembled wall, and an installation body 5 is prefabricated in the foundation 1 with an upper surface fixed to the support member 4, and is close to the left and right adjacent Tie bars 6 are arranged between the two supporting members 4 at the junction of the lightweight wall panels 3, and mortar layers 7 for sealing are arranged at the upper and lower ends of the lightweight wall panels 3, and the tie bars 6 are located in the mortar layer 7; a crossbeam 8 coincident with its upper surface is arranged on the top of the prefabricated assembled wall, a connecting locking mechanism is arranged between the top of the supporting member 4 and the lower surface of the crossbeam 8, and an upper layer identical to the above structure is arranged on the crossbeam 8; a cross-support structure is arranged between the crossbeams 8, and a floor slab 2 of the upper layer is laid on the upper end surface of the cross-support structure, and a suspended ceiling is arranged on its lower end surface.

[0032] Embodiment 1, as Figure 1 As shown, based on the consideration of high support strength, the cross beam 8 is a prefabricated reinforced concrete structure, and the cross support structure includes an upper cross tube 9 and a lower cross tube 10 respectively distributed on the upper and lower end surfaces of the cross beam 8, and a cross connecting rod 11 is arranged between the upper cross tube 9 and the lower cross tube 10, and the upper cross tube 9 and the lower cross tube 10 are connected and fixed in a staggered form by means of a fixing rod 12, so that a truss structure is formed with the best support strength;

[0033] The construction method of the steel tube prefabricated lightweight wall panel building structure as described above comprises the following steps:

[0034] A. Prefabricated lightweight wall panels

[0035] like Figure 5 As shown, an N-shaped base 18 is installed in the molding cavity to fit the inner wall thereof, and a group of molding tubes 19 are arranged on the upper surface of the N-shaped base 18. After the casting material is injected into the molding cavity and solidified, a hook 20 is inserted into the molding tube 19 to move the N-shaped base 18 together with the lightweight wallboard 3 out of the molding cavity, and then curing is performed. After the curing is completed, the N-shaped base 18 and the molding tube 19 are taken out to form a lightweight wallboard 3 with a plug-in hole. In this molding method, there is no need to wait for the lightweight wallboard 3 to be cured in the molding cavity. The lightweight wallboard 3 is hoisted and removed for separate curing, and the molding cavity is not occupied, which can shorten the use turnover time of the molding cavity. After the lightweight wallboard 3 is hoisted out after curing, it can be used for the next casting, which greatly increases the production volume of the lightweight wallboard 3 and significantly improves the production efficiency.

[0036] B. Pouring foundation

[0037] A groove is dug on the ground and the foundation 1 is poured. A mounting body 5 is pre-buried in the foundation 1, and the upper end surface of the mounting body 5 is exposed from the upper end surface of the foundation 1; the mounting body 5 includes a steel mesh skeleton located in the foundation 1 and a fixing plate fixed at the upper end thereof, and the upper surface of the fixing plate is exposed from the ground 1, providing a fixing position for the support member 4; the mounting body 5 can also be only steel bars pre-buried in the foundation 1, and the upper surface of the steel bars is exposed from the foundation 1, providing a fixing position for the support member 4; the support member 4 is selected to be a steel pipe;

[0038] C. Fixed support

[0039] The steel pipe support member 4 is welded and fixed to the mounting body 5 according to the spacing of the plug holes in the lightweight wallboard 3. Figure 7 As shown, a tie bar 6 is arranged between two steel pipes near the junction of the left and right adjacent lightweight wall panels 3. Figure 8 As shown, in order to enhance the connection strength, a tie bar 6 is usually arranged between all steel pipes, and a mortar layer 7 is arranged on the layer where the tie bar 6 is thick; the arrangement of the tie bar 6 solves the problem that the relative position between the lightweight wall panels 3 cannot be stable, and then a sealing layer is arranged between the left and right adjacent lightweight wall panels 3, and the mortar layer 7 solves the sealing problem of the layer where the tie bar 6 is located, that is, the sealing problem between the upper and lower adjacent lightweight wall panels 3;

[0040] D. Hoisting lightweight wall panels

[0041] The lightweight wall panels 3 are hoisted, and the steel pipes are inserted into the plug holes and attached to the mortar layer 7. After each layer of lightweight wall panels 3 is hoisted, a tie bar 6 is arranged between two steel pipes near the junction of the left and right adjacent lightweight wall panels 3, and a mortar layer 7 is arranged at the layer where the tie bar 6 is located, and finally a prefabricated assembled wall is formed;

[0042] E. Installation of beams and floor slabs

[0043] A crossbeam 8 is arranged on the mortar layer 7 at the uppermost end of the prefabricated assembled wall, and a cross-support structure is arranged between the cross-beams 8. An upper floor slab 2 is arranged at the upper end of the cross-support structure, and a suspended ceiling is arranged at the lower end thereof. Subsequently, the steel pipe of the upper layer is fixed on the cross-beam 8, and steps C and D are repeated to form the upper layer structure, and finally the required floor building is formed.

[0044] Embodiment 2, as Figure 2 As shown, based on the medium support strength requirement, the cross-support structure includes an upper cross-tube 9 and a lower cross-tube 10 respectively distributed on the upper and lower end surfaces of the cross beam 8, a cross-connecting rod 11 is arranged between the upper cross-tubes 9 and the lower cross-tubes 10, the upper cross-tubes 9 and the lower cross-tubes 10 are arranged one after another, and a vertical connecting rod 13 is arranged between the upper cross-tubes 9 and the lower cross-tubes 10 that are opposite to each other.

[0045] Embodiment 3, as Figure 3As shown, based on the consideration of lower support strength requirements, the cross-support structure includes an upper cross-tube 9 and a lower cross-tube 10 respectively distributed on the upper and lower end surfaces of the cross beam 8, and a cross-connecting rod 11 is arranged between the upper cross-tubes 9 and the lower cross-tubes 10, and there is no connection between the upper cross-tubes 9 and the lower cross-tubes 10;

[0046] Embodiment 4, as Figure 4 As shown, based on the convenience and simplicity of construction and the occasion of low supporting strength, the cross beam 8 is an I-beam or square steel structure, and a group of L-shaped support seats 14 are arranged in the groove on the side of the I-beam or square steel. A purlin 15 is arranged between the L-shaped support seats 14 in the two opposite cross beams 8. The purlin 15 and the L-shaped support seats 14 are locked and fixed by bolts, and a steel plate layer 16 and a cement mortar layer 17 are laid on the purlin 15 in sequence;

[0047] Embodiment 5, as Figure 6 As shown, for the consideration of sealing, thermal insulation and overall supporting effects, the single-layer wall is set as a three-layer wall, and the prefabricated assembled wall structure in Example 1 is used as the inner wall 20 and the outer wall 21. A casting cavity for casting the thermal insulation layer 22 is provided between the inner wall 20 and the outer wall 21. In order to enhance the connection strength between the inner wall 20 and the outer wall 21, a reinforcing connecting rod 23 is provided between the steel pipe in the inner wall 20 and the steel pipe in the outer wall 21. The reinforcing connecting rod 23 is made of high-strength materials such as basalt fiber or engineering plastics. After the reinforcing connecting rod 23 is set, the thermal insulation material is cast to finally form the thermal insulation layer 22.

Claims

1. A building structure with prefabricated wall panels connected by dense ribs, comprising a foundation (1), a prefabricated assembled wall and a floor (2) connected in sequence from bottom to top, wherein the prefabricated assembled wall is connected to the foundation (1) by means of a support member (4) at the lower end, and is connected to the floor (2) by means of a support member (4) at the upper end, characterized in that: The prefabricated assembled wall comprises a group of light-weight wall panels (3) spliced ​​together, the support member (4) is a group of steel pipes or reinforced concrete columns vertically penetrating the prefabricated assembled wall, a mounting body (5) whose upper surface is fixed to the support member (4) is pre-buried in the foundation (1), a tie bar (6) is arranged between two support members (4) near the junction of the left and right adjacent light-weight wall panels (3), a mortar layer (7) for sealing is arranged at the upper and lower ends of the light-weight wall panels (3), and the tie bar (6) is located in the mortar layer (7); a cross beam (8) overlapping with its upper surface is arranged at the top of the prefabricated assembled wall, a connecting locking mechanism is arranged between the top of the steel pipe and the lower surface of the cross beam (8), and an upper layer of the same structure as the above is arranged on the cross beam (8); a cross support structure is arranged between the cross beams (8), the upper end surface of the cross support structure is paved with the floor slab (2) of the upper layer, and the lower end surface is arranged with a suspended ceiling; The cross beam (8) is a prefabricated reinforced concrete structure, and the cross-support structure comprises an upper cross-tube (9) and a lower cross-tube (10) respectively distributed on the upper and lower end surfaces of the cross beam (8), and a cross-connecting rod (11) is arranged between the upper cross-tubes (9) and between the lower cross-tubes (10), and the upper cross-tubes (9) and the lower cross-tubes (10) are connected and fixed in a staggered manner by means of a fixing rod (12); The upper cross tube (9) and the lower cross tube (10) are arranged opposite to each other in the vertical direction, and a vertical connecting rod (13) is arranged between the upper cross tube (9) and the lower cross tube (10) which are opposite to each other in the vertical direction.

2. The building structure of prefabricated wall panels with dense ribs according to claim 1, characterized in that: The crossbeam (8) is an I-beam or square steel structure, a group of L-shaped support seats (14) are arranged in the groove on the side of the I-beam or square steel, a purlin (15) is arranged between the L-shaped support seats (14) in two opposite crossbeams (8), the purlin (15) and the L-shaped support seats (14) are fastened and fixed by bolts, and a steel plate layer (16) and a cement mortar layer (17) are laid on the purlin (15) in sequence.

3. The construction method of the building structure with dense rib connection of prefabricated wall panels as claimed in claim 1, characterized in that: The construction method comprises the following steps: A. Prefabricated wall panels An N-shaped base (18) is installed in the molding cavity and is fitted with the inner wall of the molding cavity. A group of molding tubes (19) are arranged on the upper surface of the N-shaped base (18). After the casting material is injected into the molding cavity and solidified, a hook (20) is inserted into the molding tube (19) to move the N-shaped base (18) together with the lightweight wallboard (3) out of the molding cavity, and then curing is performed. After the curing is completed, the N-shaped base (18) and the molding tube (19) are taken out to form a lightweight wallboard (3) with a plug-in hole. B. Pouring foundation A groove is dug on the ground and a foundation (1) is poured. A mounting body (5) is prefabricated in the foundation (1), and the upper end surface of the mounting body (5) is exposed from the upper end surface of the foundation (1); C. Fixed support The support members (4) are welded and fixed to the mounting body (5) according to the spacing of the plug holes in the lightweight wallboard (3); a tie bar (6) is provided between two support members (4) near the junction of the left and right adjacent lightweight wallboards (3); and a mortar layer (7) is provided on the layer where the tie bar (6) is thick; D. Hoisting lightweight wall panels The lightweight wall panels (3) are hoisted, and the support members (4) are inserted into the plug holes and attached to the mortar layer (7). After each layer of lightweight wall panels (3) is hoisted, a tie bar (6) is arranged between two support members (4) near the junction of the left and right adjacent lightweight wall panels (3), and a mortar layer (7) is arranged at the layer where the tie bar (6) is located, so as to finally form a prefabricated assembled wall; E. Installation of beams and floor slabs A crossbeam (8) is arranged on the mortar layer (7) at the uppermost end of the assembly wall, and a cross-support structure is arranged between the crossbeams (8). A floor slab (2) of an upper layer is arranged at the upper end of the cross-support structure, and a suspended ceiling is arranged at the lower end thereof. Subsequently, a support member (4) of an upper layer is fixed on the crossbeam (8), and steps C and D are repeated to form a structure of an upper layer, and finally a desired floor building is formed.

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