CN111576661A - Concrete prefabricated wall and construction process thereof - Google Patents
Concrete prefabricated wall and construction process thereof Download PDFInfo
- Publication number
- CN111576661A CN111576661A CN202010469382.8A CN202010469382A CN111576661A CN 111576661 A CN111576661 A CN 111576661A CN 202010469382 A CN202010469382 A CN 202010469382A CN 111576661 A CN111576661 A CN 111576661A
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- wallboard
- grouting
- guide
- wall
- sleeve
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000004567 concrete Substances 0.000 title claims abstract description 18
- 238000010276 construction Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000011440 grout Substances 0.000 claims description 32
- 239000011083 cement mortar Substances 0.000 claims description 25
- 238000007569 slipcasting Methods 0.000 claims description 20
- 239000004570 mortar (masonry) Substances 0.000 claims description 12
- 239000011178 precast concrete Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000009435 building construction Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000012466 permeate Substances 0.000 description 7
- 230000002787 reinforcement Effects 0.000 description 5
- 239000011324 bead Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000012548 In-process support Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B2001/6195—Connections for building structures in general of slab-shaped building elements with each other the slabs being connected at an angle, e.g. forming a corner
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
The invention relates to a concrete prefabricated wall and a construction process thereof, relating to the technical field of building construction.A concrete prefabricated wall comprises a wallboard, wherein one side of the wallboard is fixedly provided with a guide piece, and the other side of the wallboard is provided with a guide groove; a plurality of first connecting columns and at least one water stop plate are fixed at one adjacent end of the guide piece of the wall plate, and a plurality of grouting sleeves and at least one slot which can be sleeved outside the first connecting columns are fixed at the other end of the wall plate; the construction process comprises the steps of fixing positioning columns in advance on a floor slab according to the spacing position of grouting sleeves on a prefabricated wall; installing a first wallboard on the floor slab so that the grouting sleeve is inserted on the positioning column; then assembling a second wallboard, aligning a guide groove of the second wallboard with a guide piece of the first wallboard until the lowest floor slab is completely assembled; and repeating the steps to sequentially assemble the upper layer of wallboard above the lower layer of wallboard until all the wallboards are assembled. The invention has the advantage of preventing the water seepage and peeling of the gap of the assembled wall.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a concrete prefabricated wall and a construction process thereof.
Background
With the development of technology, the building construction gradually develops from a traditional reinforced concrete pouring structure to an assembly type building. The fabricated building refers to a building fabricated on the site using factory-prefabricated components. It adopts light steel structure and various light materials to combine all parts of the house.
The invention patent application with the prior art reference application publication number of CN 108824693A discloses a wall panel, a wall panel assembly and an assembly type building, wherein the wall panel assembly comprises a first wall panel and a second wall panel, the outer parts of two end surfaces of the first wall panel are outwards protruded to form outer convex parts, so that the first wall panel is in a convex shape, the opposite outer convex parts of two adjacent first wall panels are connected through an adhesive, an installation space is formed between the two adjacent first wall panels, the second wall panel is positioned on the inner side of the outer convex parts, and a functional part is arranged in the second wall panel. The invention patent application can effectively reduce the maintenance cost, but has the following defects: the seam is formed at the splicing part between two adjacent wallboards, and the seam position is easy to cause the water seepage and peeling phenomena during later use.
Disclosure of Invention
The invention aims to provide a concrete prefabricated wall body which has the advantage of preventing water seepage and peeling of a gap of an assembly wall body.
The above object of the present invention is achieved by the following technical solutions:
a precast concrete wall comprises a rectangular plate-shaped wall board, wherein a guide piece is fixedly arranged on one side of the wall board, and a guide groove matched with the guide piece is formed in the other side of the wall board; the adjacent one end that the wallboard is located the guide is fixed with a plurality of first spliced pole and an at least stagnant water board, and the other end of wallboard is fixed with a plurality of grout sleeves and at least one slot that can overlap outside locating first spliced pole, grout sleeve and first spliced pole one-to-one, stagnant water board and slot cooperation and one-to-one.
Through adopting above-mentioned technical scheme, the gap between two adjacent wallboards of horizontal direction is cut off by the guide, and water is difficult to permeate through the guide and to indoor infiltration. The gap between two adjacent wallboards in the vertical direction is separated by the water stop plate, and water is difficult to permeate through the water stop plate and permeate into the room, so that the possibility of water seepage and peeling of the gap of the wall body of the fabricated building is greatly reduced.
The present invention in a preferred example may be further configured to: the guide piece comprises a fixing part, a water stop part and a guide part which are integrally connected, the fixing part and the guide part are positioned on two sides of the water stop part, and the fixing part is embedded in the wallboard; the guide way includes guiding hole and the anticreep mouth that communicates with the guiding hole, and the guiding hole cooperatees with stagnant water portion, and anticreep mouth cooperatees with the guiding portion.
By adopting the technical scheme, when two adjacent wallboards are spliced, the guide groove of one wallboard smoothly slides to the guide part of the other wallboard to be inserted and fixed. The guide piece plays a guiding role when the wall board is assembled, and plays a water stopping role after the wall board is assembled.
The present invention in a preferred example may be further configured to: the water stop plate is provided with a plurality of convex edges arranged along the length direction of the water stop plate.
Through adopting above-mentioned technical scheme, because in the stagnant water board is half fixed in the wallboard, the bead on the lower half makes the surface roughness of stagnant water board on the one hand, increases the joint strength between stagnant water board and the wallboard, and on the other hand increases the route of streaming of water when making water permeate along the gap between lower half and the wallboard, improves water-proof effects. The convex edges of the upper half part are inserted into the slots, so that the water flowing path is increased, and the waterproof effect is improved.
The present invention in a preferred example may be further configured to: and an elastic sealing layer is fixed on the surface of the convex rib and/or the inner wall of the slot.
Through adopting above-mentioned technical scheme, the sealing layer improves sealed effect when making bead and slot lateral wall support to press.
The present invention in a preferred example may be further configured to: and the notch of the slot is provided with a flaring with increased width.
Through adopting above-mentioned technical scheme, be convenient for during the stagnant water board inserts the slot, reduce the possibility of stagnant water board card at the slot notch.
The present invention in a preferred example may be further configured to: the wallboard internal fixation has the slip casting subassembly, the slip casting subassembly include the trunk line, with the connecting pipe of trunk line intercommunication and with many slip casting branch pipes of connecting pipe intercommunication, slip casting branch pipe and grout sleeve one-to-one and the discharge end of slip casting branch pipe stretch into to in the grout sleeve.
Through adopting above-mentioned technical scheme, after two blocks of wallboards splice the completion from top to bottom, in the stagnant water board of below wallboard inserted the slot of top wallboard, the grout sleeve in the first spliced pole of below wallboard inserted the top wallboard. Cement mortar is injected into from the main pipeline, and in cement mortar shunted each slip casting branch pipe through the connecting pipe, cement mortar entered into the grout sleeve along the discharge end of slip casting branch pipe, and cement mortar filled the space between first spliced pole and the grout sleeve, and cement mortar flows simultaneously and fills up the contact surface clearance between with top wallboard and below wallboard and is full of, treats that cement mortar solidifies the back, and top wallboard becomes a whole with below wallboard fixed connection. In the process of cement mortar solidification shrinkage, cement mortar is reserved in the grouting branch pipe, so that the cement mortar can be used for filling the grouting sleeve under the action of gravity, the compactness of the grouting sleeve is improved, and the connection strength of the two wallboards is greatly improved.
The present invention in a preferred example may be further configured to: the wallboard internal fixation has the second spliced pole that inserts grout sleeve one end, sets up the holding tank that sets up along the axis on the second spliced pole, and the discharge end of slip casting branch pipe is buckled and is arranged in the holding tank.
Through adopting above-mentioned technical scheme for the second spliced pole external profile diameter that is fixed with slip casting branch pipe is unchangeable, and the second spliced pole still can stretch into in the grout sleeve.
The second aim of the invention is realized by the following technical scheme:
a construction process of a concrete prefabricated wall body comprises the following steps:
s1: fixing positioning columns in advance on the floor according to the spacing positions of grouting sleeves on the prefabricated wall;
s2: installing a first wallboard on the floor slab so that the grouting sleeve is inserted on the positioning column; then, assembling a second wallboard, aligning a guide groove of the second wallboard with a guide piece of the first wallboard, then dropping to enable the two wallboards to be assembled, and sleeving a grouting sleeve of the second wallboard on a positioning column of a floor slab; repeating the processes until the wallboard at the lowest layer is spliced;
s3: and (3) repeating the step (2) to sequentially assemble the upper layer of wallboard above the lower layer of wallboard until all wallboards are assembled.
The third object of the invention is realized by the following technical scheme:
the construction process of the concrete prefabricated wall body is characterized in that: the method comprises the following steps:
s1: fixing positioning columns in advance on the floor according to the spacing positions of grouting sleeves on the prefabricated wall;
s2: installing a first wallboard on the floor slab so that the grouting sleeve is inserted on the positioning column; then, assembling a second wallboard, aligning a guide groove of the second wallboard with a guide piece of the first wallboard, then dropping to enable the two wallboards to be assembled, and sleeving a grouting sleeve of the second wallboard on a positioning column of a floor slab; repeating the processes until the wallboard at the lowest layer is spliced;
s3: pouring pre-prepared cement mortar through a main pipeline of the grouting assembly to fill the grouting sleeve;
s4: and after the cement mortar is solidified, sequentially splicing an upper layer of wallboard above the lower layer of wallboard by repeating the steps S2 and S3 until all wallboards are spliced.
The present invention in a preferred example may be further configured to: and step S3, injecting partial mortar into the grouting sleeve in advance, stopping grouting when the mortar overflows from the gap between the wallboard and the floor slab, and continuing pressurizing and grouting after the mortar is primarily solidified.
By adopting the technical scheme, the constructed wall has good anti-permeability performance after construction.
In summary, the invention includes at least one of the following beneficial technical effects:
1. after the wallboards are assembled, the gaps between the wallboards are separated by the water stop plates and the guide pieces, so that the possibility of peeling of the coating caused by water permeating into the room is reduced;
2. after each layer of wallboard is assembled, carry out the slip casting through the slip casting subassembly, improved the joint strength between the upper and lower two-layer wallboard, the mortar that persists in the slip casting subassembly can carry out the feeding to the part that solidifies the shrink in the grout sleeve, improves the closely knit degree of mortar in the grout sleeve, connects more firmly.
Drawings
FIG. 1 is a schematic diagram of an embodiment showing the overall structure of a first connecting post and a water stop plate on a wall plate;
FIG. 2 is a schematic diagram of an embodiment showing the overall configuration of grout sleeve and slot locations on a wall panel;
FIG. 3 is a cross-sectional view showing the internal structure of the wall panel taken along the line A-A in FIG. 1;
FIG. 4 is a schematic view showing a transverse splicing structure of two adjacent wall panels;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3 showing the construction of the grouting assembly;
FIG. 6 is an enlarged view showing a connecting structure of the discharge end of the grouting branch pipe and the connecting reinforcement at the portion C in FIG. 3;
FIG. 7 is a schematic structural view showing a longitudinal splicing structure of two adjacent wall panels;
fig. 8 is an overall structure schematic diagram of a wall body formed by splicing wall boards.
In the figure: 1. a wallboard; 2. a guide member; 21. a fixed part; 22. a water stop part; 23. a guide portion; 3. a guide groove; 31. preventing the opening from falling; 32. a guide hole; 4. a water stop plate; 41. a rib; 5. a slot; 51. flaring; 6. a first connecting column; 7. a grouting component; 71. a main pipeline; 72. a connecting pipe; 73. grouting branch pipes; 731. a discharge end; 8. grouting a sleeve; 9. a second connecting column; 91. and (6) accommodating the tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1 and 2, the precast concrete wall disclosed by the invention comprises a rectangular wallboard 1, wherein a guide member 2 is fixed on one side of the wallboard 1 in a pre-buried manner, and a guide groove 3 is formed on the other side of the wallboard 1; the pre-buried a plurality of first connector posts 6 and a stagnant water board 4 of being fixed with in the top of wallboard 1, the pre-buried a plurality of grout sleeve 8 and a slot 5 of being fixed with in the bottom of wallboard 1, grout sleeve 8 and 6 position one-to-one in first connector post, slot 5 is corresponding with 4 positions of stagnant water board.
Referring to fig. 1 and 2, the wall panel 1 is a concrete precast panel, and the dimension length × width × height may be 4 m × 0.3 m × 2 m. The dimensions of the wall panel 1 may also be designed in other dimensions as desired. A reinforcement cage is arranged inside the wallboard 1. Guide 2, water-stop plate 4, slot 5, first connecting column 6 and grout sleeve 8 all can with 1 inside steel reinforcement cage welded fastening of wallboard to it is fixed to pour concrete in-process support during the preparation. To reduce the weight of wall panel 1, the concrete may be selected to be lightweight concrete.
Referring to fig. 2, the guiding member 2 is a metal member or an engineering plastic member, and has a high strength, and herein, the guiding member 2 is preferably made of a stainless steel material, and has a high strength and a good corrosion resistance. The guide member 2 includes a fixing portion 21, a water stopping portion 22 and a guide portion 23 which are integrally connected, and the water stopping portion 22 may be a rectangular plate-shaped structure; the fixing portion 21 and the guide portion 23 are located on both sides of the water stop portion 22, and the cross-sectional widths of the fixing portion 21 and the guide portion 23 are larger than the thickness dimension of the water stop portion 22. The cross section of the fixing portion 21 may be any one of T-shaped, Y-shaped, D-shaped, H-shaped, and O-shaped. The surface of the guide portion 23 is smooth, the cross section of the guide portion 23 may be circular, prismatic or isosceles trapezoid, and here the guide portion 23 preferably has a circular cross section to reduce the wear on the wall board 1 during guiding.
Referring to fig. 2, the guide groove 3 penetrates the side end surface of the wall panel 1, the guide groove 3 includes a guide hole 32 and a retaining opening 31 communicating with the guide hole 32, the width of the retaining opening 31 is adapted to the thickness of the water stopping portion 22, the cross-sectional profile of the guide hole 32 is adapted to the cross-sectional profile of the guide portion 23, and the inner diameter of the guide hole 32 is the same as the outer diameter of the profile of the guide portion 23. In order to reduce the wear of the guide groove 3, the guide groove 3 can also be a prefabricated metal piece, so that the inner wall of the guide groove 3 is smooth, and when two adjacent wallboards 1 are spliced, the guide groove 3 of one of the wallboards 1 smoothly slides to the guide part 23 of the other wallboard 1 to be inserted and fixed.
Referring to fig. 3, the water stop plate 4 may be a water stop steel plate, and the water stop plate 4 transversely penetrates the wall plate 1. The water stop plate 4 is provided with a plurality of ribs 41 arranged along the length direction thereof, and the cross section of the ribs 41 can be triangular. The water stop plate 4 is divided into an upper half part and a lower half part, the lower half part is buried and fixed inside the wallboard 1, and the upper half part is exposed outside the wallboard 1. The bead 41 on the lower half makes the surface of stagnant water board 4 rough on the one hand, increases the joint strength between stagnant water board 4 and the wallboard 1, and on the other hand makes when water permeates along the gap between lower half and the wallboard 1, increases the route of streaming of water, improves water-proof effects. The thickness of the water stop plate 4 may here be 8-10 mm. In order to further improve the waterproof performance, an elastic sealing layer such as a rubber layer may be adhered to the surface of the rib 41, so that the sealing effect is improved when the rib 41 is pressed against the side wall of the slot 5.
The length of the slot 5 is matched with that of the water stop plate 4, the depth of the slot 5 is slightly larger than the height of the upper half part of the water stop plate 4 by 5-10mm, the depth of the slot 5 is 20cm, and the height of the upper half part of the water stop plate 4 is 19 cm. The groove width of the slot 5 is adapted to the overall thickness of the water stop plate 4, the groove width of the slot 5 is 11mm, the thickness of the body of the water stop plate 4 is 8mm, and the maximum protruding height of the convex edge 41 is 3 mm. In order to improve the sealing effect, the inner wall of the slot 5 can also be provided with an elastic sealing layer with the thickness of 0.5-1 mm. In order to facilitate the water stop plate 4 to be inserted into the slot 5 and reduce the possibility that the water stop plate 4 is clamped in the notch of the slot 5, the notch of the slot 5 is provided with a flaring with an increased width.
Referring to fig. 3 and 4, the first connection post 6 may be a deformed steel bar with a diameter of 30mm, the first connection post 6 is disposed parallel to the water stop plate 4 and perpendicular to the end surface of the wall plate 1, and half of the first connection post 6 is pre-embedded and fixed in the wall plate 1 and the other half is exposed.
Referring to fig. 3 and 5, in order to inject cement mortar into the grouting sleeve 8, so that the second connecting column 9 is fixedly connected with the grouting sleeve 8, a grouting assembly 7 is pre-embedded and fixed in the wall panel 1. The grouting assembly 7 comprises a main pipeline 71, a connecting pipe 72 communicated with the main pipeline 71 and a plurality of grouting branch pipes 73 communicated with the connecting pipe 72, and the main pipeline 71 and the connecting pipe 72 and the grouting branch pipes 73 can be communicated or welded and fixed through tee joints. The main pipe 71 can be made of a steel pipe with the diameter phi of 50, the connecting pipe 72 can be made of a steel pipe with the diameter phi of 30, the grouting branch pipe 73 can be made of a steel pipe with the diameter phi of 12, and the grouting assembly 7 and a reinforcement cage in the wall plate 1 can be welded and fixed into a whole. One end of the main conduit 71 is exposed at the side of the wall panel 1 at the first connector post 6.
Referring to fig. 6, the discharge end of grouting branch pipe 73 stretches into grout sleeve 8, the holding tank 91 is opened along the axis direction in the one end that second spliced pole 9 is connected with grout sleeve 8, holding tank 91 can be the rectangular channel, the discharge end of grouting branch pipe 73 is buckled and is located holding tank 91, the position of buckling is the Z shape structure for the outside profile diameter of second spliced pole 9 that is fixed with grouting branch pipe 73 is unchangeable, second spliced pole 9 still can stretch into in grout sleeve 8.
Referring to fig. 5 and 7, after the two wall panels 1 are spliced up and down, the water stop plate 4 of the lower wall panel 1 is inserted into the slot 5 of the upper wall panel 1, and the first connecting column 6 of the lower wall panel 1 is inserted into the grouting sleeve 8 in the upper wall panel 1. Cement mortar is injected into the main pipeline 71, the cement mortar is shunted into each grouting branch pipe 73 through the connecting pipe 72, the cement mortar enters into the grouting sleeve 8 along the discharge end of the grouting branch pipe 73, the cement mortar fills the gap between the first connecting column 6 and the grouting sleeve 8, meanwhile, the cement mortar flows to fill the gap between the contact surface between the upper wallboard 1 and the lower wallboard 1, and after the cement mortar is solidified, the upper wallboard 1 and the lower wallboard 1 are fixedly connected into a whole. In the process of cement mortar solidification shrinkage, cement mortar is reserved in the grouting branch pipe 73, and the cement mortar can be used for filling the grouting sleeve 8 under the action of gravity, so that the compactness of the grouting sleeve 8 is improved, and the connection strength of the two wallboards 1 is greatly improved.
In addition, in the process of prefabricating the wall panel 1, the grouting assembly 7 plays a role in reinforcing a reinforcement cage to a certain extent. Due to the influence of the grouting branch 73, there may be a state of incompact filling of the concrete at the second connecting column 9. When grouting through grouting branch pipe 73, fill in grout sleeve 8 after the mortar, the mortar outwards spills over along the holding tank 91 of second spliced pole 9, causes the splitting and fills the gap at this position in the concrete of being equivalent to second spliced pole 9 tip, has further strengthened the joint strength between second spliced pole 9 and wallboard 1.
The construction process of the concrete prefabricated wall body comprises the following steps:
(1) according to grout sleeve 8's position distribution on wallboard 1, fix the reinforcing bar as the reference column through expansion bolts equidistant on the floor, reinforcing bar and expansion bolts can weld.
(2) As shown in fig. 8, the wall plate 1 is moved above the positioning columns by using a lifting tool, then the grouting sleeves 8 of the wall plate 1 correspond to the positioning columns one by one, and the water stop plate 4 is positioned on one indoor side; after the first wallboard 1 is installed, when the second wallboard 1 is installed, the guide groove 3 of the second wallboard 1 is aligned with the guide piece 2 of the first wallboard 1, then the two wallboards 1 are spliced by falling, and the grouting sleeve 8 of the second wallboard 1 is sleeved on the positioning column of the floor slab; and repeating the process until the wall board 1 at the lowest layer is spliced.
(3) And pouring cement mortar which is prepared in advance through the main pipeline 71 of the grouting component 7, stopping grouting after mortar overflows from a gap between the wallboard 1 and the floor slab, sealing the bottom of the grouting sleeve 8 after the mortar is primarily solidified, continuing grouting and applying certain pressure, wherein the pressure can be 0.8-1 MPa.
(4) And (3) after the cement mortar is solidified, repeating the step (2) and assembling the upper layer of wallboard 1 above the lower layer of wallboard 1 until all the wallboards 1 are completely assembled.
Because the gap between two adjacent wallboards 1 in the horizontal direction is cut off by the guide 2, water is difficult to permeate into the room through the guide 2. The gap between two adjacent wallboards 1 in the vertical direction is cut off by the water stop plate 4, and water is difficult to permeate through the water stop plate 4 to indoor infiltration, greatly reduced the assembled building wall gap infiltration possibility of skinning.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. A precast concrete wall body, includes rectangular plate-like wallboard (1), its characterized in that: a guide piece (2) is fixedly arranged on one side of the wallboard (1), and a guide groove (3) matched with the guide piece (2) is formed in the other side of the wallboard (1); adjacent one end that wallboard (1) is located guide (2) is fixed with a plurality of first spliced pole (6) and an at least stagnant water board (4), and the other end of wallboard (1) is fixed with a plurality of grout sleeve (8) and at least one slot (5) that can overlap and locate first spliced pole (6) outer, grout sleeve (8) and first spliced pole (6) one-to-one, stagnant water board (4) and slot (5) cooperation and one-to-one.
2. The precast concrete wall of claim 1, wherein: the guide piece (2) comprises a fixing part (21), a water stop part (22) and a guide part (23) which are integrally connected, the fixing part (21) and the guide part (23) are positioned at two sides of the water stop part (22), and the fixing part (21) is embedded in the wall plate (1); the guide groove (3) comprises a guide hole (32) and an anti-dropping opening (31) communicated with the guide hole (32), the guide opening is matched with the water-stopping part (22), and the anti-dropping opening (31) is matched with the guide part (23).
3. The precast concrete wall of claim 1, wherein: the water stop plate (4) is provided with a plurality of convex ribs (41) arranged along the length direction of the water stop plate.
4. The precast concrete wall of claim 3, wherein: an elastic sealing layer is fixed on the surface of the convex rib (41) and/or the inner wall of the slot (5).
5. The precast concrete wall of claim 1, wherein: the notch of the slot (5) is provided with a flaring (51) with increased width.
6. The precast concrete wall of any one of claims 1 to 5, wherein: wallboard (1) internal fixation has slip casting subassembly (7), slip casting subassembly (7) including trunk line (71), connecting pipe (72) and many slip casting branch pipes (73) with connecting pipe (72) intercommunication that communicate with trunk line (71), slip casting branch pipe (73) and slip casting sleeve (8) one-to-one and slip casting branch pipe (73) discharge end (731) stretch into to in the slip casting sleeve (8).
7. The precast concrete wall of claim 6, wherein: wallboard (1) internal fixation has second spliced pole (9) of inserting grout sleeve (8) one end, offers holding tank (91) that sets up along the axis on second spliced pole (9), and discharge end (731) of slip casting branch pipe (73) are buckled and are arranged in holding tank (91).
8. The construction process of the concrete precast wall body according to any one of claims 1 to 5, characterized in that: the method comprises the following steps:
s1: fixing positioning columns in advance on the floor according to the spacing positions of grouting sleeves (8) on the prefabricated wall;
s2: installing a first wallboard (1) on the floor slab, and enabling a grouting sleeve (8) to be inserted on the positioning column; then a second wallboard (1) is assembled, a guide groove (3) of the second wallboard (1) is aligned with a guide piece (2) of the first wallboard (1), then the second wallboard falls down to enable the two wallboards (1) to be spliced, and a grouting sleeve (8) of the second wallboard (1) is sleeved on a positioning column of the floor slab; repeating the processes until the wallboard (1) at the lowest layer is spliced;
s3: and (3) repeating the step (2) to sequentially assemble the upper wallboard (1) above the lower wallboard (1) until all the wallboards (1) are assembled.
9. The construction process of the concrete precast wall body according to claim 6, characterized in that: the method comprises the following steps:
s1: fixing positioning columns in advance on the floor according to the spacing positions of grouting sleeves (8) on the prefabricated wall;
s2: installing a first wallboard (1) on the floor slab, and enabling a grouting sleeve (8) to be inserted on the positioning column; then a second wallboard (1) is assembled, a guide groove (3) of the second wallboard (1) is aligned with a guide piece (2) of the first wallboard (1), then the second wallboard falls down to enable the two wallboards (1) to be spliced, and a grouting sleeve (8) of the second wallboard (1) is sleeved on a positioning column of the floor slab; repeating the processes until the wallboard (1) at the lowest layer is spliced;
s3: pouring pre-prepared cement mortar through a main pipeline (71) of the grouting assembly (7) to fill the grouting sleeve (8);
s4: and after the cement mortar is solidified, sequentially splicing the upper layer of wallboard (1) above the lower layer of wallboard (1) by repeating the steps S2 and S3 until all the wallboards (1) are spliced.
10. The construction process of the concrete precast wall body according to claim 9, characterized in that: and step S3, injecting partial mortar into the grouting sleeve (8) in advance, stopping grouting when the mortar overflows from the gap between the wallboard (1) and the floor slab, and continuing pressurizing and grouting after the mortar is primarily solidified.
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| CN112049320A (en) * | 2020-08-31 | 2020-12-08 | 上海家树建筑工程有限公司 | Precast concrete sandwich heat-insulation wall structure and construction method thereof |
| CN112376724A (en) * | 2020-10-20 | 2021-02-19 | 安徽一品小院建筑科技有限公司 | Assembled wall body connecting joint and construction method thereof |
| CN113089929A (en) * | 2021-05-07 | 2021-07-09 | 韩宝财 | Prefabricated building structure and assembling method |
| CN113530016A (en) * | 2021-07-20 | 2021-10-22 | 廉微微 | Assembled wallboard and manufacturing process thereof |
| CN114809304A (en) * | 2022-05-11 | 2022-07-29 | 中建八局第二建设有限公司 | High-rigidity dust-free assembled laboratory |
| CN114837325A (en) * | 2022-05-18 | 2022-08-02 | 胡家山 | Prefabricated wall body of foaming cement board |
| CN115306166A (en) * | 2022-08-26 | 2022-11-08 | 杭州中庆建设有限公司 | Prefabricated wallboard positioning device and positioning construction method thereof |
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| CN114837325A (en) * | 2022-05-18 | 2022-08-02 | 胡家山 | Prefabricated wall body of foaming cement board |
| CN115306166A (en) * | 2022-08-26 | 2022-11-08 | 杭州中庆建设有限公司 | Prefabricated wallboard positioning device and positioning construction method thereof |
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