CN109837994B - Reinforced concrete prefabricated whole-cast house structure and construction method thereof - Google Patents
Reinforced concrete prefabricated whole-cast house structure and construction method thereof Download PDFInfo
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- CN109837994B CN109837994B CN201910025947.0A CN201910025947A CN109837994B CN 109837994 B CN109837994 B CN 109837994B CN 201910025947 A CN201910025947 A CN 201910025947A CN 109837994 B CN109837994 B CN 109837994B
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Abstract
The invention relates to a reinforced concrete prefabricated integral casting house structure and a construction method thereof, belonging to the technical field of house structure systems, the key point of the technical scheme is that the reinforced concrete prefabricated whole-cast house structure comprises a prefabricated floor slab and a wallboard, wherein the wallboard comprises an upper wall body and a lower wall body, the bottom of the lower wall body is fixedly connected with the ground, the top end of every two adjacent lower wall bodies is provided with one floor slab, and the adjacent floor slabs are provided with gaps for pouring concrete at the end parts close to each other, the upper wall body is positioned right above the lower wall body, the bottom end of the upper wall body is abutted against the top end positions of the two adjacent floor slabs close to each other, the wall board is provided with a pouring hole vertically penetrating through the wall board, the fixing holes are formed in the two sides, located in the pouring holes, of the upper wall body, fixing reinforcing steel bars matched with the fixing holes are fixedly arranged on the upper surface of the floor slab, the top ends of the fixing holes are communicated with the pouring holes, and the effect of improving the fixing stability between the floor slab and the wallboard is achieved.
Description
Technical Field
The invention relates to the technical field of building structure systems, in particular to a reinforced concrete prefabricated integral casting building structure and a construction method thereof.
Background
The building construction structure is a structure system generally composed of columns, beams and plates, the beams, the plates and the columns can adopt two construction modes of prefabricating and integral casting or cast-in-place, and the problems of heaviness, more material consumption, large consumption of wood templates and large labor consumption are increasingly highlighted along with the continuous improvement of raw material price and the great increase of labor cost in a full-cast-in-place construction process, so that the construction mode of prefabricating and integral casting is adopted at present.
The existing reinforced concrete prefabricated whole-cast house structure generally comprises a wallboard and a floor slab erected on the wallboard, and after erection is finished, concrete is poured at the erection position of the floor slab and the wallboard, so that the floor slab and the wallboard are fixed.
But the fixed mode between foretell floor and the wallboard only relies on concreting to accomplish for the stability of being connected between floor and the wallboard is not good enough.
Disclosure of Invention
The invention aims to provide a reinforced concrete prefabricated whole-cast house structure for improving the fixing stability between a floor slab and a wallboard and a construction method thereof.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a prefabricated whole house structure that waters of reinforced concrete, includes prefabricated floor and prefabricated wallboard, and the wallboard includes wall body and lower wall body, the bottom and the ground rigid coupling of wall body down, and a floor has been erect on the top of every two adjacent lower wall bodies, and the tip that adjacent floor is close to each other leaves the space that is used for concreting, goes up the wall body and is located the top position department that the bottom butt of wall body is close to each other at two adjacent floor under the wall body, and the vertical hole of pouring that runs through self is seted up to the wallboard, it has seted up the fixed orifices to go up the wall body and be located the both sides of pouring the hole, and the last fixed surface of floor is fixed and is provided with the fixed steel bar with fixed orifices looks adaptation, and the fixed steel bar is the part that the prefabricated steel bar in the floor stretched out from the floor.
Through the technical scheme, after the lower wall body is fixed with the ground, the prefabricated floor slabs are hoisted by the hoisting tool and are erected between two adjacent lower wall bodies, after the floor slabs are erected, the upper wall body is continuously hoisted, the upper wall body is positioned right above the lower wall bodies, the fixing steel bars are inserted into the fixing holes, the equipment position of the upper wall body is well determined, then concrete is poured from the pouring hole at the top end of the upper wall body, the concrete is poured into the pouring hole of the lower wall body from the pouring hole of the upper wall body and is filled between the two adjacent floor slabs, meanwhile, the concrete enters the fixing holes from the pouring holes, the fixing steel bars in the fixing holes are mutually fixed with the upper wall body, after the concrete is cured, the concrete in the pouring holes of the upper wall body and the lower wall body enables the upper wall body and the lower wall body to be fixed, and the adjacent floor slabs are fixed through the concrete, the floor and the upper wall are fixed through the bonding of the fixing steel bars and the concrete, so that the upper wall, the lower wall and the floor can be connected together more closely and reliably, and the stability of the fixed connection is higher. The fixed reinforcing steel bars are the parts of the prefabricated reinforcing steel bars in the floor slab, which extend upwards, so that the connection between the floor slab and the upper wall body is more compact and reliable, and the connection stability is further improved.
The invention is further configured to: the both sides of pouring the hole and being close to the fixed orifices have seted up the intercommunicating pore, and the top that the intercommunicating pore inclined setting just intercommunicated pore with pour the hole intercommunication, the bottom of intercommunicating pore and the top intercommunication of fixed orifices.
Through the technical scheme, pour into concrete and pour downthehole back, the concrete can enter into the fixed orifices along the intercommunicating pore of slope, make the concrete get into the resistance greatly reduced in the fixed orifices, and the top of fixed orifices and the bottom intercommunication of intercommunicating pore, consequently the concrete can fill fast because the action of gravity when getting into the fixed orifices is inside, the resistance is less, and the concrete can continue to fill the intercommunicating pore after filling full fixed orifices, thereby make concrete and the inside fixed contact area increase of last wall body, the fixed connection's between last wall body and the floor stability has further been improved.
The invention is further configured to: the cross-sectional dimension of the fixing hole gradually increases from top to bottom.
Through the technical scheme, the fixed orifices is from last gradual grow of cross sectional dimension extremely down, consequently when will going up to assemble between wall body and the floor, the fixed steel bar can aim at fast with the fixed orifices and insert, thereby the cooperation installation effectiveness of fixed steel bar and fixed orifices has been improved, thereby the assembly efficiency of going up the wall body has been improved, and simultaneously, because the fixed orifices is from last gradual grow of cross sectional dimension extremely down, when concreting, the concrete can be more in the bottom accumulation volume of fixed orifices, make the concrete can wrap the fixed steel bar omnidirectionally, the stability of being connected between fixed steel bar and the last wall body has further been improved.
The invention is further configured to: the fixed installation piece that is provided with in top of wall body down, the mounting groove has been seted up to the upper surface of installation piece, and adjacent floor card is located in the mounting groove.
Through above-mentioned technical scheme, the floor is seted up in the mounting groove, therefore the assembly between floor and the lower wall body is comparatively accurate for the dislocation phenomenon can not appear when the floor sets up the top of wall body down, also can make the alignment of fixed reinforcement and fixed orifices more accurate, thereby improved the stability of being connected between floor and the last wall body, to sum up, the setting up of mounting groove makes and forms more reliable and more stable fixed connection between wall body, lower wall body and the floor.
The invention is further configured to: the end part of the floor slab is fixedly provided with connecting steel bars, the connecting steel bars are parts of prefabricated steel bars in the floor slab, which extend out of the floor slab, and the connecting steel bars between the adjacent floor slabs are connected through welding.
Through the technical scheme, after the floor slabs are erected in the installation grooves in the top end of the lower wall body, the connecting steel bars at the end parts of the adjacent floor slabs are connected together in a welding mode, so that the adjacent floor slabs can be fixed together more stably, the adjacent floor slabs are prevented from moving relatively, after concrete is poured in the pouring holes, the adjacent floor slabs are likely to be pushed to be separated from each other under the action of thrust generated by thermal expansion after the concrete is solidified, and the fixed connection structure of a house is unstable; meanwhile, after the connecting reinforcing steel bars of the adjacent floor slabs are welded and connected, the connecting reinforcing steel bars can also serve as a fixed framework, when concrete is poured from the pouring holes, the concrete is filled in gaps between the adjacent floor slabs and covers the connecting reinforcing steel bars, and the connecting reinforcing steel bars serve as the fixed framework to enable the concrete to be more stable and reliable in connection between the adjacent floor slabs and the corresponding upper wall body and lower wall body.
The invention is further configured to: the fixed locating plate that is provided with of tip upper surface of floor, the constant head tank with the constant head tank looks adaptation is seted up to the bottom of going up the wall body, goes up the wall body and sets up the draw-in groove that communicates with the constant head tank along floor extending direction's both sides, and the bottom of wall body is gone up to the vertical running-through of draw-in groove, fixedly on the locating plate being provided with the horizontally double-screw bolt, double-screw bolt and draw-in groove looks adaptation, threaded connection.
Through the technical scheme, when assembling the wall body, the locating plate inserts in the constant head tank, aim at the double-screw bolt with the draw-in groove simultaneously, make the double-screw bolt slide along the draw-in groove until supreme wall body and floor butt, then twist the nut on the double-screw bolt again, make the side butt of nut and last wall body, thereby cooperation through the locating plate constant head tank plays the positioning action to last wall body, guarantee the vertical state of going up the wall body, consequently when pouring the concrete, need not to rely on other large-scale devices to right the location to last wall body again, thereby make the assembly efficiency of going up the wall body higher.
The invention is further configured to: the hole of pouring is provided with a plurality ofly, and the connecting reinforcement is provided with many, and pours the hole and staggers the setting each other with the connecting reinforcement, goes up the wall body and all respectively is provided with a fixed orifices in every both sides of pouring the hole, and every is pour two fixed orifices intercommunications of hole and both sides.
Through the technical scheme, the concrete amount poured is enough due to the arrangement of the pouring holes, so that the connection between the upper wall body and the floor slab and between the upper wall body and the lower wall body is more stable, and the two sides of each pouring hole are respectively provided with the fixing hole, so that when concrete is poured from the pouring holes, the concrete can enter each fixing hole, the connecting positions between the fixing steel bars and the upper wall body are more, and the fixed connection is more stable.
The invention is further configured to: a construction method for a reinforced concrete prefabricated whole-cast house structure comprises the following specific steps:
s1: prefabricating a floor slab and a wallboard, and directly pouring the lower wall body to be fixedly connected with the ground when prefabricating;
s2: erecting floor slabs in the mounting grooves at the top end of the lower wall body, and welding the connecting steel bars of the adjacent floor slabs together;
s3: the prefabricated upper wall body is moved to the upper part of the floor slab through hoisting, the upper wall body is positioned right above the lower wall body, the fixed steel bars are opposite to the fixed holes, the positioning plate is opposite to the positioning grooves, the upper wall body is slowly put down, the fixed steel bars are inserted into the fixed holes, the positioning plate is inserted into the positioning grooves, and the studs slide along the clamping grooves;
s4: screwing a nut on the stud, and screwing the nut tightly to enable the nut to be abutted against the surface of the upper wall body so as to position the upper wall body;
s5: pouring the uniformly mixed concrete into the pouring hole, wherein the concrete is filled in a gap between the upper wall body and the lower wall body and can fill the fixing hole;
s6: and after the concrete is cured, loosening the nut, and cutting off the part of the stud extending out of the upper wall body and the concrete block escaping from the clamping groove.
Through the technical scheme, after the upper wall body, the lower wall body and the floor slab are prefabricated, the floor slab is firstly erected in the installation groove to form primary position location between the floor slab and the lower wall body, then adjacent connecting steel bars are welded together to ensure that stable primary fixation can be formed between the adjacent floor slabs, then the upper wall body is hoisted to the upper side of the floor slab, the fixing steel bars are inserted into the fixing holes, the positioning plate is inserted into the positioning grooves, the studs are clamped into the clamping grooves, then the wall body is slowly put down, the upper wall body can form relative fixation with the floor slab through the matching of the positioning plate and the positioning grooves, the mounting position of the upper wall body is accurate, the studs are screwed on nuts after the upper wall body is placed, the matching of the positioning plate and the positioning grooves is more stable, the positioning of the upper wall body is also accurate, and finally concrete is poured into the pouring hole, the concrete enters the gap between the pair of floor slabs along the pouring hole and fills the gap, the floor slabs, the upper wall body and the lower wall body are fixed in a matched mode through the connecting steel bars, the stability of the house structure is improved, meanwhile, the concrete enters the fixing hole along the communicating holes, the fixing steel bars in the fixing hole and the upper wall body are fixed, and therefore the connection between the upper wall body and the floor slabs is further improved in stability. After the concrete is cured, the nut is unscrewed and the redundant part of the stud is cut off, so that the surface flatness of the upper wall body can be ensured.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the fixed connection stability between the floor slab and the wallboard is improved by arranging the fixing hole communicated with the pouring hole and fixedly arranging the fixing steel bar matched with the fixing hole on the floor slab;
2. the fixing holes are arranged in the shape that the section size is gradually increased from top to bottom, so that the fixing steel bars can be inserted into the fixing holes more smoothly, and the assembly efficiency is improved;
3. the positioning plate and the positioning groove are arranged, so that the upper wall body can be positioned during assembly, and the positioning convenience and precision are improved.
Drawings
FIG. 1 is a schematic view of an assembly structure of the present invention;
FIG. 2 is an exploded schematic view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a cross-sectional view of the present invention.
Reference numerals: 1. a wallboard; 11. an upper wall body; 111. a fixing hole; 112. a card slot; 113. positioning a groove; 12. a lower wall body; 121. fixing the steel bars; 2. a floor slab; 21. connecting reinforcing steel bars; 22. positioning a plate; 221. a stud; 222. a nut; 3. pouring holes; 31. a communicating hole; 4. mounting blocks; 41. and (4) mounting the groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
A reinforced concrete prefabricated whole-cast house structure and a construction method thereof are disclosed, as shown in figures 1 and 3, the reinforced concrete prefabricated whole-cast house structure comprises a wall plate 1 and floor slabs 2, the wall plate 1 comprises an upper wall body 11 and a lower wall body 12, the lower wall body 12 is directly fixedly connected with the ground and is vertical to the ground when being prefabricated, the lower wall body 12 comprises a plurality of floor slabs 2 which are arranged at intervals, the floor slabs 2 are also arranged in plurality, the top end of each two adjacent lower wall bodies 12 is provided with one floor slab 2, the end parts, close to each other, of the two adjacent floor slabs 2 are provided with a gap at the top end of the lower wall body 12, the upper wall body 11 is positioned right above the lower wall body 12, the upper wall body 11 is parallel to the lower wall body 12, the upper wall body 11 and the lower wall body 12 are both provided with a plurality of pouring holes 3 which vertically penetrate through the upper wall body, the bottom of the upper wall body 11 is abutted against the end parts, the fixing steel bars 121 are a part of the extending steel bars in the floor slab 2, the fixing steel bars 121 are arranged at the end part of the floor slab 2 close to the lower wall body 12, a plurality of fixing holes 111 matched with the fixing steel bars 121 are formed in the corresponding position of the upper wall body 11, one fixing hole 111 is formed in each of two sides of each pouring hole 3, each pouring hole 3 is communicated with the two fixing holes 111 on the two sides of the pouring hole 3, when the upper wall body 11 abuts against the upper surface of the floor slab 2, the fixing steel bars 121 are inserted into the fixing holes 111, when the house structure is assembled, concrete which is uniformly mixed is injected into the pouring holes 3 from the top end of the upper wall body 11, enters gaps reserved between the end parts of the adjacent floor slabs 2 along the pouring holes 3 of the upper wall body 11 and simultaneously enters the pouring holes 3 and the fixing holes 111 of the lower wall body 12, and accordingly, a gap between the upper wall body 11 and the lower wall body 12 is, The upper wall body 11 and the floor slabs 2 and the adjacent floor slabs 2 can be stably fixed, and the overall stability is improved.
With reference to fig. 2 and 3, two sides of each casting hole 3 are respectively communicated with a communication hole 31, the communication holes 31 are obliquely arranged, the top ends of the communication holes 31 are communicated with the casting holes 3, the bottom ends of the communication holes 31 are communicated with the vicinity of the top end of the fixing hole 111, the cross-sectional size of the fixing hole 111 gradually increases along the vertical direction from top to bottom, and the size of the topmost end of the fixing hole 111 is consistent with the size of the fixing steel bar 121, so that the fixing steel bar 121 can be inserted into the fixing hole 111 more smoothly during assembly, the assembly convenience is improved, and concrete can smoothly enter the fixing hole 111 along the casting hole 3, so that more stable concrete bonding and fixing are formed between the fixing steel bar 121 in the fixing hole 111 and the upper wall 11, the cross-sectional size of the bottom of the fixing hole 111 is larger, so that the amount of injected concrete is larger, and the concrete in the fixing hole 111 can more completely cover the periphery of the fixing steel, thereby improving the fixing strength of the upper wall body 11 and the floor slab 2.
As shown in fig. 3, a plurality of connecting steel bars 21 are fixedly arranged at two ends of a floor slab 2, the connecting steel bars 21 extend out of the floor slab 2 for the steel bars inside the floor slab 2, and the connecting steel bars 21 and the pouring holes 3 are arranged in a staggered manner, so that the connecting steel bars 21 do not interfere with the concrete trend injected into the pouring holes 3, the connecting steel bars 21 at the end parts close to each other of the adjacent floor slabs 2 are connected by welding, and therefore, the adjacent floor slabs 2 can be fixed, and when the concrete is injected into the pouring holes 3 to enable the concrete to enter the gaps between the end parts close to the adjacent floor slabs 2, the connecting steel bars 21 connected by welding can play a role in fixing a framework, so that more stable fixation can be formed between the adjacent floor slabs 2 and between the floor slabs 2 and the upper wall body 11 and the lower wall body 12, and the stability of the integral assembly of.
With reference to fig. 3 and 4, two sides of the upper wall 11 along the direction of the connecting line between the adjacent floor slabs 2 are provided with vertical positioning grooves 113, the positioning grooves 113 are communicated with the bottom of the upper wall 11, the upper surface of the end part of the floor slab 2 close to each other is fixedly provided with a positioning plate 22 matched with the positioning grooves 113, the positioning plate 22 and the floor slab 2 are both prefabricated and formed by concrete pouring, one side of the positioning plate 22 away from the upper wall 11 is fixedly provided with a horizontally arranged stud 221, the stud 221 and the positioning plate 22 are also prefabricated and formed by concrete pouring, the vertical side surface of the upper wall 11 on the same side with the stud 221 is provided with a clamping groove 112, the clamping groove 112 is communicated with the positioning grooves 113, the stud 221 of the clamping groove 112 is matched, the clamping groove 112 vertically penetrates through the bottom of the upper wall 11, when the upper wall 11 is assembled on the upper surface of the adjacent floor, the stud 221 can be clamped into the clamping groove 112 and slides along the clamping groove 112, the clamping groove 112 is connected with the nut 222 in a threaded mode, and the nut 222 is abutted to the side face of the upper wall body 11 after being screwed down, so that the position relation between the upper wall body 11 and the floor slab 2 is more accurate, the assembling precision is higher, the upper wall body 11 can be effectively fixed by the positioning plate 22 without other large-scale fixing devices, and the assembling convenience is improved.
As shown in fig. 3, the top end of the lower wall 12 is fixedly provided with the installation block 4, the sectional dimension of the installation block 4 is larger than that of the lower wall 12, the installation groove 41 is formed in the upper surface of the installation block 4, and the adjacent floor slabs 2 can be erected inside the installation groove 41, so that the position accuracy between the floor slabs 2 and the lower wall 12 is higher, and the overall assembly quality and the assembly accuracy are improved.
The implementation principle of the embodiment is as follows: prefabricating an upper wall body 11, a lower wall body 12 and a floor slab 2, welding connecting steel bars 21 of the adjacent floor slabs 2 together, hoisting the floor slab 2 by using hoisting equipment, erecting the floor slab 2 between the adjacent lower wall bodies 12, reserving a gap between the two floor slabs 2 at the top end of the same lower wall body 12, continuously hoisting the upper wall body 11 to enable the upper wall body 11 to be positioned right above the lower wall body 12, slowly lowering the upper wall body 11, enabling a positioning groove 113 at the bottom of the upper wall body 11 to be inserted into a positioning plate 22, enabling a stud 221 to slide into a clamping groove 112, simultaneously inserting a fixing steel bar 121 into a fixing hole 111, screwing a nut 222 onto the stud 221 to enable the nut 222 to be abutted against the side surface of the upper wall body 11, effectively fixing the upper wall body 11, the floor slab 2 and the lower wall body 12, injecting concrete into a pouring hole 3 after fixing, and filling the concrete into the pouring hole 3 of the lower wall body 12, Gaps reserved at the end parts of the adjacent floor slabs 2 and the fixing holes 111 form stable fixed connection among the upper wall body 11, the lower wall body 12 and the floor slabs 2 after the concrete is cured. Due to the matching of the fixed steel bars 121 and the fixed holes 111, the matching of the positioning plate 22 and the positioning grooves 113 and the matching of the nuts 222 and the studs 221, the overall stability of the whole reinforced concrete prefabricated cast-in-place house is greatly improved.
Example 2
A construction method for a reinforced concrete prefabricated whole-cast house structure comprises the following specific steps:
s1: prefabricating a floor slab 2 and a wallboard 1, wherein reinforcing steel bars at two ends of the floor slab 2 horizontally penetrate through the floor slab 2 to form connecting reinforcing steel bars 21, reinforcing steel bars at two ends of the floor slab 2 vertically penetrate through the floor slab 2 to form fixed reinforcing steel bars 121, and the lower wall body 12 is directly poured to be fixedly connected with the ground during prefabrication;
s2: erecting the floor slabs 2 in the mounting grooves 41 at the top end of the lower wall body 12, reserving a gap between the mutually close end parts of two adjacent floor slabs 2 at the top end of the same lower wall body 12, and then welding the connecting steel bars 21 of the adjacent floor slabs 2 together;
s3: moving the prefabricated upper wall body 11 to the upper side of the floor slab 2 through hoisting, enabling the upper wall body 11 to be located right above the lower wall body 12, enabling the fixing steel bars 121 to be opposite to the fixing holes 111, enabling the positioning plates 22 to be opposite to the positioning grooves 113, enabling the clamping grooves 112 to be opposite to the studs 221, slowly putting down the upper wall body 11, enabling the fixing steel bars 121 to be inserted into the fixing holes 111, enabling the positioning plates 22 to be inserted into the positioning grooves 113, and enabling the studs 221 to slide along the clamping grooves 112;
s4: screwing nut 222 onto stud 221 and tightening nut 222 so that nut 222 abuts the surface of upper wall 11 to locate upper wall 11;
s5: uniformly mixed concrete is injected from the pouring hole 3, and the concrete fills the gap between the upper wall body 11 and the lower wall body 12 and fills the fixing hole 111;
s6: after the concrete has cured, nut 222 is loosened and the portion of stud 221 extending out of upper wall 11 and the concrete mass escaping from within slot 112 is cut away.
After prefabricating the upper wall body 11, the lower wall body 12 and the floor slab 2, firstly erecting the floor slab 2 in the installation groove 41 to form primary position location between the floor slab 2 and the lower wall body 12, then welding the adjacent connecting steel bars 21 together to ensure that stable primary fixation can be formed between the adjacent floor slabs 2, then hoisting the upper wall body 11 to the upper part of the floor slab 2, inserting the fixing steel bars 121 into the fixing holes 111, inserting the positioning plates 22 into the positioning grooves 113, clamping the studs 221 into the clamping grooves 112, and slowly putting down the upper wall body 11, wherein the upper wall body 11 can form relative fixation with the floor slab 2 through the matching of the positioning plates 22 and the positioning grooves 113, the fixing steel bars 121 and the fixing holes 111, so that the installation position of the upper wall body 11 is accurate, screwing the studs 221 on the nuts 222 after the upper wall body 11 is placed, and ensuring that the matching of the positioning plates 22 and the positioning grooves 113 is more stable, the positioning of the upper wall body 11 is more accurate, the concrete is poured into the pouring hole 3 at last, the concrete enters the gap between the pair of floor slabs 2 along the pouring hole 3 and fills the gap, the floor slabs 2, the upper wall body 11 and the lower wall body 12 are fixed by matching with the connecting steel bars 21, the stability of the house structure is improved, meanwhile, the concrete enters the fixing hole 111 along the communication hole 31, the fixing steel bars 121 in the fixing hole 111 and the upper wall body 11 are fixed, and therefore the stability of the connection between the upper wall body 11 and the floor slabs 2 is further improved. After the concrete is cured, the nut 222 is loosened and the redundant part of the stud 221 is cut off, so that the surface flatness of the upper wall body 11 can be ensured.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a prefabricated whole house structure that waters of reinforced concrete, including prefabricated floor (2) and prefabricated wallboard (1), wallboard (1) includes wall body (11) and lower wall body (12), the bottom and the ground rigid coupling of lower wall body (12), the top of per two adjacent lower wall body (12) has erect one floor (2), and the tip that adjacent floor (2) are close to each other leaves the space that is used for pouring the concrete, go up the bottom butt that wall body (11) are located wall body (12) under and go up wall body (11) and locate at the top position that two adjacent floor (2) are close to each other, wallboard (1) are seted up vertical pouring hole (3) that run through self, a serial communication port: the upper wall body (11) is positioned on two sides of the pouring hole (3) and is provided with a fixing hole (111), the upper surface of the floor slab (2) is fixedly provided with a fixing steel bar (121) matched with the fixing hole (111), the fixing steel bar (121) is a part of a prefabricated steel bar in the floor slab (2) extending out of the floor slab (2), the top end of the fixing hole (111) is communicated with the pouring hole (3), communicating holes (31) are formed in two sides, close to the fixing hole (111), of the pouring hole (3), the communicating holes (31) are obliquely arranged, the top ends of the communicating holes (31) are communicated with the pouring hole (3), the bottom end of the communicating holes (31) is communicated with the top end of the fixing hole (111), the cross section size of the fixing hole (111) is gradually increased from top to bottom, the top end of the lower wall body (12) is fixedly provided with a mounting block (4), and a mounting groove (, mounting groove (41) are located to adjacent floor (2) card, the tip upper surface of floor (2) is fixed and is provided with locating plate (22), constant head tank (113) with locating plate (22) looks adaptation is seted up to the bottom of going up wall body (11), go up wall body (11) and offer draw-in groove (112) with constant head tank (113) intercommunication along floor (2) extending direction's both sides, and the bottom of wall body (11) is gone up in vertical running through of draw-in groove (112), fixed being provided with horizontally double-screw bolt (221) on locating plate (22), double-screw bolt (221) and draw-in groove (112) looks adaptation, threaded connection has nut (222) on double-screw bolt (221).
2. The reinforced concrete precast cast house structure of claim 1, wherein: the end part of the floor slab (2) is fixedly provided with connecting steel bars (21), the connecting steel bars (21) are the parts of the prefabricated steel bars in the floor slab (2) extending out of the floor slab (2), and the connecting steel bars (21) between the adjacent floor slabs (2) are connected through welding.
3. The reinforced concrete precast cast house structure of claim 2, wherein: the wall is characterized in that a plurality of pouring holes (3) are formed, a plurality of connecting steel bars (21) are arranged, the pouring holes (3) and the connecting steel bars (21) are arranged in a staggered mode, the two sides of each pouring hole (3) of the upper wall body (11) are respectively provided with a fixing hole (111), and each pouring hole (3) is communicated with the two fixing holes (111) on the two sides of the pouring hole.
4. A construction method of the reinforced concrete precast cast-in-place house structure according to claim 1, which comprises the following specific steps:
s1: the floor (2) and the wall board (1) are prefabricated, and the lower wall body (12) is directly poured to be fixedly connected with the ground during prefabrication;
s2: erecting the floor slabs (2) in the mounting grooves (41) at the top ends of the lower wall bodies (12), and welding the connecting steel bars (21) of the adjacent floor slabs (2) together;
s3: the prefabricated upper wall body (11) is moved to the upper side of the floor slab (2) through hoisting, the upper wall body (11) is located right above the lower wall body (12), the fixing steel bars (121) are opposite to the fixing holes (111), the positioning plates (22) are opposite to the positioning grooves (113), the upper wall body (11) is slowly placed, the fixing steel bars (121) are inserted into the fixing holes (111), the positioning plates (22) are inserted into the positioning grooves (113), and the studs (221) slide along the clamping grooves (112);
s4: screwing a nut (222) on the stud (221), and screwing the nut (222) so that the nut (222) abuts against the surface of the upper wall body (11) to position the upper wall body (11);
s5: uniformly mixed concrete is injected into the pouring hole (3), and the concrete fills a gap between the upper wall body (11) and the lower wall body (12) and fills the fixing hole (111);
s6: after the concrete is cured, the nut (222) is unscrewed, and the part of the stud (221) extending out of the upper wall body (11) and the concrete block escaping from the clamping groove (112) are cut off.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910025947.0A CN109837994B (en) | 2019-01-11 | 2019-01-11 | Reinforced concrete prefabricated whole-cast house structure and construction method thereof |
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| CN201910025947.0A CN109837994B (en) | 2019-01-11 | 2019-01-11 | Reinforced concrete prefabricated whole-cast house structure and construction method thereof |
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| CN109837994A CN109837994A (en) | 2019-06-04 |
| CN109837994B true CN109837994B (en) | 2020-11-06 |
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| CN111305411A (en) * | 2019-11-09 | 2020-06-19 | 阜阳晶宫宝能节能建筑有限责任公司 | Prefabricated wall body that can splice |
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| CN111472471B (en) * | 2020-04-29 | 2022-12-02 | 南宁学院 | Multifunctional composite wall |
| CN111827497A (en) * | 2020-07-27 | 2020-10-27 | 福建兴港建工有限公司 | External wall heat insulation building block structure and construction method thereof |
| CN112411741B (en) * | 2020-11-28 | 2022-03-08 | 中实翊(福建)建设工程有限公司 | Fabricated building structure and construction method |
| CN112942562B (en) * | 2021-02-03 | 2022-05-03 | 浙江吉祥建设集团有限公司 | Fabricated structure and construction method thereof |
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