CN102251699A - Residential building system with cast-in-situ beam columns and prefabricated sandwich concrete wall panels and construction method - Google Patents
Residential building system with cast-in-situ beam columns and prefabricated sandwich concrete wall panels and construction method Download PDFInfo
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- CN102251699A CN102251699A CN2011101235782A CN201110123578A CN102251699A CN 102251699 A CN102251699 A CN 102251699A CN 2011101235782 A CN2011101235782 A CN 2011101235782A CN 201110123578 A CN201110123578 A CN 201110123578A CN 102251699 A CN102251699 A CN 102251699A
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Abstract
The invention relates to a residential building system with cast-in-situ beam columns and prefabricated sandwich concrete wall panels and a construction method, and the construction process of a vertical load-bearing structure is as follows: mounting the prefabricated sandwich concrete wall panels in para-positions on an underbeam/foundation so as to leave certain vertical gaps at the joints between the prefabricated sandwich concrete wall panels respectively, leaving horizontal gaps between the prefabricated sandwich concrete wall panels and the underbeam/foundation, mounting clamp dies at the gaps and casting concrete in situ so as to fixedly connect inter-plate connecting columns and horizontal joints formed at the vertical gaps and the horizontal gaps respectively, cast-in-situ wall corner columns and the prefabricated sandwich concrete wall panels into a whole and further constitute the vertical force-bearing structure of the residential building system. By adopting the invention, the bearing capacity of a wall body and the integrity and the anti-seismic performance of the structure of the whole residential building system are significantly improved, the application of steel mesh frame polyphenyl sandwich panels in the load-bearing structures is powerfully pushed, and the economic and social benefits are significant.
Description
Technical field
A kind of job practices that the present invention relates to the higher civilian construction structural system of a kind of structural integrity and anti-seismic performance and realize this structural system.
Background technology
For realizing lightweight and fire savety, existing housing construction structural system adopts polyphenyl plate or the other materials sandwiched plate as body of wall more, the sandwich wall that contains steel wire net rack polyphenyl sandwiched plate as construction, promoted the development of building energy conservation and wall reform in one period, but because building system still adopts original building system and form of construction work, therefore be easy to out the not firm easily loosening distortion of splicing between existing network, spray is smeared than the solid cement mortar and is shunk greatly on the plate face gauze wire cloth, easy to crack, have a strong impact on problems such as the load-bearing of body of wall and anti-seismic performance.
Summary of the invention
In order to address the above problem, the invention provides a kind of cast-in-place beam column prefabricated sandwich concrete panel residential building system and job practices, make full use of the light weight of sandwiched plate, do not fire, on the basis of good characteristic such as insulation, significantly improved the bearing capacity of the lightweight body of wall that contains steel wire net rack polyphenyl sandwiched plate, improved the globality and the anti-seismic performance of whole building structure, opened up a new road for steel wire net rack polyphenyl sandwiched plate is used for load-carrying members.
Main technical schemes of the present invention is:
The prefabricated sandwich concrete panel of a kind of cast-in-place beam column residential building system job practices, the work progress of the vertical load-carrying members of its each floor is: the contraposition of prefabricated sandwich concrete panel is installed on the underbeam/basis of cast in situs, it is certain at interval vertical that the junction is reserved, at described vertical interval and place, corner clamping is installed, cast-in-place concrete then makes joint pin and described prefabricated sandwich concrete panel between the plate that described vertical interval forms, cast-in-place fixed the becoming one of anta.
Preferably, between the lower end of described prefabricated sandwich concrete panel and described underbeam/basis, also reserve the horizontal interval, install when erecting clamping and corresponding horizontal clamping is set at place, described horizontal interval, the two ends of described horizontal clamping respectively and between the anta at two ends, the described prefabricated sandwich concrete panel left and right sides and/or plate the perpendicular clamping of joint pin join or be one with these described perpendicular clampings respectively, in the process of described cast-in-place concrete, make from the concrete that flows down between the corresponding perpendicular clamping to enter and be full of described horizontal interval, form cast-in-place horizontal joint and with its up and down two ends described prefabricated sandwich concrete panel and underbeam/basis is fixed becomes one.
Described prefabricated sandwich concrete panel comprises window lower plate and pier sheathing, preferably, the upper and lower edge of its two sides was equipped with upper and lower template respectively in advance before described pier sheathing contraposition was installed, the lower limb of its two sides was equipped with lower bolster in advance before described window lower plate contraposition was installed, described cope match-plate pattern constitutes the part of the clamping of described upper beam, and described lower bolster constitutes the horizontal clamping of described horizontal joint.
The prefabricated sandwich concrete panel of a kind of cast-in-place beam column residential building system, the vertical load-carrying members of its each floor comprise mutually fixed become whole prefabricated sandwich concrete panel and cast-in-place post, and described post comprises anta and is arranged on joint pin between the plate of junction between the described prefabricated sandwich concrete panel.
Preferably, be provided with cast-in-place horizontal joint between the lower end of described prefabricated sandwich concrete panel and the beam/basis, joint pin is the integrative-structure that the one cast forms between described horizontal joint and adjacent described plate.
The invention has the beneficial effects as follows:
(1) between the prefabricated sandwich concrete panel, between prefabricated sandwich concrete panel and the underbeam/basis respectively the mode by joint pin between cast-in-place plate and horizontal joint be connected, significantly improved between the prefabricated sandwich concrete panel, bond strength and reliability between prefabricated sandwich concrete panel and the underbeam/basis, improved the bearing capacity of body of wall;
(2) owing to joint pin, horizontal joint, anta and upper beam between plate are shaped by once-cast at the scene, make each part mentioned above become an organic whole, improved the globality and the anti-seismic performance of whole building system structure with described prefabricated sandwich concrete panel, underbeam/basis are fixed;
(3) adopt steel wire net rack polyphenyl sandwiched plate mechanical-moulded after, make described prefabricated sandwich concrete panel at factory's formwork concreting, layer of concrete no longer sprays as in the past at the scene by hand to be smeared, but change into type by strict technology, science maintenance industry, for providing the described prefabricated sandwich concrete panel of high-quality and high quality stability, construction work provides strong guarantee;
(4) reserve connecting reinforcement around the described prefabricated sandwich concrete panel, and between the cast-in-place plate that forms shaping size between plate joint pin, realized the structure construction standardization; The design of multiple connecting reinforcement, make and to carry out freedom, connection flexibly described in the practice of construction between the prefabricated sandwich concrete panel, so the described prefabricated sandwich concrete panel that only adopts less specification can satisfy the designing requirement of various building structure, accomplish the unification of standardization and flexibility, for dwelling house prefabricated units manufactureization creates favorable conditions;
(5) described prefabricated sandwich concrete panel adopts the installation of band mould, and its lower end is with cast-in-place horizontal joint template, and the upper end is equipped with the segment template of collar tie beam, and the upper and lower side template can be born body of wall and coupling beam construction load, simplifies and supports, conveniently installs.
Description of drawings
Fig. 1 is the structural representation of vertical load-carrying members of the present invention;
Fig. 2 is the structural representation of a kind of embodiment of described prefabricated sandwich concrete panel of the present invention;
Fig. 3 is the a-a sectional view of Fig. 2;
Fig. 4 is for installing and dispose the working drawing of each template;
Fig. 5 is the b-b sectional view of Fig. 4;
Fig. 6 is the cross sectional representation of joint pin between a kind of plate.
The specific embodiment
The invention provides the prefabricated sandwich concrete panel of a kind of cast-in-place beam column residential building system job practices, 1-6 describes below in conjunction with accompanying drawing.The work progress of the vertical load-carrying members of each floor of this system is: prefabricated sandwich concrete panel 1 contraposition is installed on the underbeam/basis 2 of cast in situs, it is certain at interval vertical that the junction is reserved, at described vertical interval and place, corner clamping is installed, the described clamping of shutoff, carry out cast-in-place concrete then, preferred cast C25 concrete makes joint pin 5 and described prefabricated sandwich concrete panel between the plate that described vertical interval forms, cast-in-place anta 3 fixed becoming one.Described anta can comprise exterior wall corner post and interior wall corner post.
Preferably, also carry out the construction of the particularly cast-in-place figure beam of cast-in-place upper beam 4 (underbeam when promptly descending one deck construction) simultaneously, as at the configuration reinforcement of collar tie beam, install clamping and cast-in-site operation all and as described between plate joint pin and/or anta carry out simultaneously, make joint pin and described prefabricated sandwich concrete panel between described plate, cast-in-place anta and upper beam be consolidated into as a whole.
Described prefabricated sandwich concrete panel comprises sandwiched plate 1.5 and is cemented in the layer of concrete 1.6 of described sandwiched plate two sides.Described sandwiched plate is preferably polyphenyl plate, and flame-retardant polystyrene cystosepiment particularly, described layer of concrete can be in factory's sprayings, is preferably in factory's formwork cast.The two sides of described sandwiched plate also is coated with steel mesh 1.7, be preferably the cold drawn steel wire sheet, two-way oblique cutting has steel wire in the described sandwiched plate, the two ends of described steel wire are connected with corresponding described steel fabric sheet by the mode of welding or tie up respectively, form a space truss structure, and described steel mesh and steel wire are cemented in the corresponding described layer of concrete.Particularly, after described prefabricated sandwich concrete panel can adopt steel wire net rack polyphenyl sandwiched plate mechanical-moulded, factory's formwork concreting make layer of concrete no longer as in the past manual at the scene spray smear, but change into type by strict technology, science maintenance industry, for providing the prefabricated sandwich concrete panel of high-quality and high quality stability, construction work provides strong guarantee.
Preferably, between the lower end of described prefabricated sandwich concrete panel and described underbeam/basis, also reserve the horizontal interval, install when erecting clamping and corresponding horizontal clamping is set at place, described horizontal interval, the two ends of described horizontal clamping respectively and between the anta at two ends, the described prefabricated sandwich concrete panel left and right sides and/or plate the perpendicular clamping of joint pin join or be one with these described perpendicular clampings respectively, in the process of described cast-in-place concrete, make from the concrete that flows down between the corresponding perpendicular clamping to enter and be full of described horizontal interval, form cast-in-place horizontal joint 6 and with its up and down two ends described prefabricated sandwich concrete panel and underbeam/basis is fixed becomes one.
Between the described prefabricated sandwich concrete panel, between prefabricated sandwich concrete panel and the underbeam/basis respectively the mode by joint pin between cast-in-place plate and horizontal joint be connected, significantly improved between the prefabricated sandwich concrete panel, bond strength and reliability between prefabricated sandwich concrete panel and the underbeam/basis, improved the bearing capacity of body of wall.And, because joint pin, horizontal joint, anta and upper beam are shaped by once-cast at the scene between plate, make each part mentioned above become an organic whole, improved the globality and the anti-seismic performance of whole building structure with described prefabricated sandwich concrete panel, underbeam/basis are fixed.
Described prefabricated sandwich concrete panel can comprise window lower plate and pier sheathing, preferably, the upper and lower edge of its two sides was equipped with cope match-plate pattern 7, lower bolster 8 respectively in advance before described pier sheathing contraposition was installed, the lower limb of its two sides was equipped with lower bolster in advance before described window lower plate contraposition was installed, described cope match-plate pattern constitutes the particularly part of the clamping of collar tie beam of described upper beam, and described lower bolster constitutes the horizontal clamping of described horizontal joint.Described upper and lower clamping can be steel plate, can provide enough supports for described prefabricated sandwich concrete panel, bears body of wall and coupling beam construction load, simplifies and supports, conveniently installs.And, because install, the work of lower bolster can finish in factory, therefore can reduce the site operation workload, improves building operations efficient.
Can be shaped on overhanging connecting reinforcement in advance around the described pier sheathing, left and right and the lower end of described window lower plate is shaped on overhanging connecting reinforcement in advance, the overhanging end of pre-buried dowel 2.1 is cemented in the described horizontal joint on the connecting reinforcement 1.1 of the lower end of described prefabricated sandwich concrete panel and the described underbeam/basis, and its connecting reinforcement 1.2,1.3 and the 1.4 left and right and upper end is cemented in respectively between described left and right plate in joint pin and/or anta and the described upper beam.
The overhanging direction of the connecting reinforcement of the upper and lower end of described prefabricated sandwich concrete panel is along the plate face direction of described prefabricated sandwich concrete panel, the overhanging direction of the connecting reinforcement of left end and right-hand member can be along described prefabricated sandwich concrete panel plate face direction, perpendicular to the plate face direction of described prefabricated sandwich concrete panel or an end plate face direction along described prefabricated sandwich concrete panel, the other end is perpendicular to the plate face direction of described prefabricated sandwich concrete panel.The connecting reinforcement that multiple overhanging direction is set can improve the flexibility and the degree of freedom in the configuration orientation of prefabricated sandwich concrete panel described in the wall construction process, and help the size typing of joint pin between cast-in-place plate, help the standardization of implementation structure structure.The described prefabricated sandwich concrete panel of said structure can be used for building inside and outside body of wall.
The overhanging end of described connecting reinforcement and dowel is preferably the U-shaped of sealing, be positioned between described plate the connecting reinforcement from different described prefabricated sandwich concrete panels of joint pin and overlap mutually and form a plurality of levels sealing ring sets (referring to Fig. 6), the described connecting reinforcement and the dowel that are positioned at described horizontal joint overlap formation a plurality of vertical sealing ring sets (referring to Fig. 5) mutually.
The middle part of one side of described prefabricated sandwich concrete panel also can be shaped on some overhanging dowels in advance, and this dowel is vertically arranged, and its overhanging direction is perpendicular to the plate face of described prefabricated sandwich concrete panel.This kind wallboard especially is suitable for makes side fascia, and is connected by joint pin formation T-shaped between plate between the inner wall panel, and the overhanging end of the described dowel of side fascia and the connecting reinforcement of inner wall panel is cemented between corresponding described plate in the joint pin.
The overhanging end of the dowel of described prefabricated sandwich concrete panel is preferably the U-shaped of sealing equally, forms a plurality of levels sealing ring sets from also overlapping mutually between the connecting reinforcement of different described prefabricated sandwich concrete panels and the dowel between described plate in the joint pin.
Four angles of preferably described level sealing ring set are provided with the vertical stiffener 10 that connects each level sealing ring set, and four angles of described vertical sealing ring set are provided with and connect each vertically horizontal stiffener 11 of sealing ring set.Described level sealing ring set and vertical stiffener constitute the cage of reinforcement of joint pin between described plate, and described vertical sealing ring set and horizontal stiffener constitute the cage of reinforcement of described horizontal joint.
Also be provided with some stay bolts 12 that described template are fixed on the stay bolt 9 on the described prefabricated sandwich concrete panel and socket described inside and outside two templates to the inside that are respectively applied between inside and outside two templates of described upper and lower template.Stay bolt 9 passes described prefabricated sandwich concrete panel, be used for described upper and lower template is fixed on described prefabricated sandwich concrete panel, stay bolt 12 does not pass described prefabricated sandwich concrete panel, be used for inwardly socketing the both sides steel plate of described cope match-plate pattern or lower bolster, form space framework with described steel plate on the one hand, can improve the intensity and the rigidity of described upper and lower template, and improve support degree described prefabricated sandwich concrete panel; On the other hand, when the cast horizontal joint, avoid the cast-in-situ concrete lateral pressure to make template misplace, be out of shape or crack.
In the prefabricated sandwich concrete panel of the above-mentioned any cast-in-place beam column residential building system job practices, the construction sequence of its vertical load-carrying members can comprise:
(1) cast-in-place underbeam/basis, and at the pre-buried dowel in the installation site of described prefabricated sandwich concrete panel, and the pre-buried vertical connecting reinforcement that is used to connect described anta.
(2) described prefabricated sandwich concrete panel is installed in contraposition on described underbeam/basis.
(3) reinforcing bar of joint pin, horizontal joint and anta between the described plate of configuration, comprise between the described connecting reinforcement, between connecting reinforcement and the dowel and between level sealing ring set and the vertical stiffener, vertically seal be connected (as welding, binding etc.) between ring set and the horizontal stiffener, also can dispose the particularly reinforcing bar of collar tie beam of putting the beams in place simultaneously.
The perpendicular clamping and the horizontal clamping of (4) installing, disposing joint pin, horizontal joint and anta between described plate, make that the space is interconnected in the clamping of joint pin between described horizontal joint and adjacent described plate and/or anta, for described upper beam is the situation of cast-in-place beam, the clamping that also can install simultaneously, dispose upper beam promptly makes the predetermined casting space of described upper beam be connected with space in the above-mentioned clamping.The mounting means of described perpendicular clamping and horizontal clamping is following any one mode:
(a) the on-the-spot installation behind the reinforcing bar that assembles joint pin, horizontal joint or anta between corresponding described plate;
(b) before described prefabricated sandwich concrete panel is installed in contraposition, on the relevant position of described prefabricated sandwich concrete panel, install in advance;
(c) the part clamping is installed according to the mode of above-mentioned (a) is on-the-spot, the part clamping is installed in advance according to the mode of above-mentioned (b), preferably before described prefabricated sandwich concrete panel is installed in contraposition, the horizontal clamping of the pre-installation of lower limb on described prefabricated sandwich concrete panel, comprise cope match-plate pattern and lower bolster, described cope match-plate pattern constitutes the particularly part of the clamping of collar tie beam of described upper beam, and described lower bolster constitutes the horizontal clamping of described horizontal joint; Described perpendicular clamping is on-the-spot the installation.
(5) cast in situs forms joint pin, horizontal joint and anta between described plate, and becomes as a whole with described prefabricated sandwich concrete panel and underbeam/basic concrete mutually.When pouring into a mould upper beam simultaneously, above-mentioned " being consolidated into as a whole " also comprised upper beam.The construction on floor/roof can be carried out after the cast-in-place concrete of step (5) meets the requirements of intensity, also can carry out simultaneously with it, and floor/roof and the beam below it have constituted horizontal load-carrying construction jointly.Treat that can repeat above-mentioned steps (1)-(5) again after one deck floor slab construction finishes descends the construction of the vertical load-carrying members of one deck.
The present invention also provides the prefabricated sandwich concrete panel of a kind of cast-in-place beam column residential building system, and this system can adopt above-mentioned any job practices to build and form, but is not limited to above-mentioned job practices.
The vertical load-carrying members of each floor of this system comprise mutually fixed become whole prefabricated sandwich concrete panel 1 and cast-in-place post, and described post comprises anta 3 and is arranged on joint pin 5 between the plate of junction between the described prefabricated sandwich concrete panel.Described prefabricated sandwich concrete panel is the described prefabricated sandwich concrete panel in the relevant job practices explanation.
Preferably, be provided with cast-in-place horizontal joint 6 between the lower end of described prefabricated sandwich concrete panel and the beam/basis, joint pin is the integrative-structure that the one cast forms between described horizontal joint and adjacent described plate.So-called one cast is meant that the concrete structure of different parts is by forming with once pouring into a mould, concrete operations can be that the inner space that is surrounded with above-mentioned each corresponding clamping in position is interconnected, when once-cast, concrete from top to bottom flows along space in the clamping, and be full of above-mentioned space from low to high successively, for vertical load-carrying members of the present invention, be that concrete is full of in the horizontal clamping space earlier and then is full of space in the perpendicular clamping, it is fixed not as a whole to make between horizontal joint and plate joint pin and/or corner have boundary ground.
Described prefabricated sandwich concrete panel can comprise pier sheathing and window lower plate, the upper/lower terminal of described pier sheathing is reserved with several bolt connecting holes that is used for fixing described upper and lower template respectively, and the lower end of described window lower plate is reserved with several bolt connecting holes that is used for fixing described lower bolster.During construction, can before described prefabricated sandwich concrete panel is installed in contraposition, fix described cope match-plate pattern 7, lower bolster 8 in advance thereon, therefore can reduce the site operation workload, improve building operations efficient.
The two ends of the bottom surface of described prefabricated sandwich concrete panel also can be provided with the Height Adjustment bolt, and during construction, available its adjusted the height and the levelness of described prefabricated sandwich concrete panel.Described adjustment bolt matches with the adjustment nut, and described adjustment nut is cemented in the nearly bottom edge of described prefabricated sandwich concrete panel, and described adjustment bolt is screwed on the described adjustment nut.Preferably, can also be consolidated with in the nearly bottom edge of described prefabricated sandwich concrete panel and adjust the nut rinforcement bar, described adjustment nut rinforcement bar comprises the adjustment nut transversely strengthening muscle and the vertical vertical rinforcement bar of adjustment nut that extends of horizontal expansion, weld a plurality of described adjustment nuts respectively on the described adjustment nut transversely strengthening muscle, vertical rinforcement bar of described adjustment nut and the adjustment nut welding corresponding with it, and extend to the both direction up and down of the adjustment nut that is welded, its part of extending downwards is exposed at the outside of the bottom surface of described prefabricated sandwich concrete panel, and be cemented in the corresponding cast-in-place horizontal joint, describedly not only can fix described adjustment nut and realize that the distance between a plurality of adjustment nuts limits (location) by adjusting nut transversely strengthening muscle, but also the bottom edge of having reinforced described prefabricated sandwich concrete panel, and by with the cooperating of the described vertical rinforcement bar of adjustment nut, played booster action jointly to the body of wall corresponding site, because connected mode and beam between cast-in-place joint and the prefabricated panel, the conduction pattern of the power between post and the prefabricated panel, this reinforcement mode helps the weak link in the fortification system, has improved bulk strength and shearing resistance characteristic.
Can be consolidated with U type net in each periphery of described prefabricated sandwich concrete panel, described U type net is wrapped in the outside of the end face area of the sandwiched plate in the described prefabricated sandwich concrete panel, its both wings respectively with described prefabricated sandwich concrete panel in the steel mesh on two sides fit and spot-welded together, connect as one with described steel mesh thus, formation is to the complete parcel of described sandwiched plate and the complete inside strengthening layer of layer of concrete, can improve the integrality of layer of concrete and the intensity equilibrium at each position significantly, not only reduced the edge breakage of described prefabricated sandwich concrete panel, caused negative effect body of wall bulk strength and shearing resistance performance but also eliminated because of described prefabricated sandwich concrete panel marginal portion weakness at storage and transport process.
The prefabricated sandwich concrete panel of described cast-in-place beam column residential building system also comprises horizontal load-carrying construction, the horizontal load-carrying construction of each floor can comprise with the floor of layer and cast-in-place underbeam/basis, also can comprise roofing slab for top layer, described floor/roofing slab can be cast-in-situ floor/roofing slab or precast floor slab/roofing slab.
Through the axial compression experimental verification, the surface of prefabricated sandwich concrete panel described in the prefabricated sandwich concrete panel of the cast-in-place beam column of the present invention residential building system is even tiny diagonal crack, helps the seismic energy that dissipates, and has higher anti-seismic performance.
Claims (10)
1. the prefabricated sandwich concrete panel of cast-in-place beam column residential building system job practices, the work progress that it is characterized in that the vertical load-carrying members of its each floor is: the contraposition of prefabricated sandwich concrete panel is installed on the underbeam/basis of cast in situs, it is certain at interval vertical that the junction is reserved, at described vertical interval and place, corner perpendicular clamping is installed, cast-in-place concrete then makes joint pin and described prefabricated sandwich concrete panel between the plate that described vertical interval forms, cast-in-place fixed the becoming one of anta.
2. the prefabricated sandwich concrete panel of cast-in-place beam column as claimed in claim 1 residential building system job practices, it is characterized in that between the lower end of described prefabricated sandwich concrete panel and described underbeam/basis, also reserving the horizontal interval, install when erecting clamping and corresponding horizontal clamping is set at place, described horizontal interval, the two ends of described horizontal clamping respectively and between the anta at two ends, the described prefabricated sandwich concrete panel left and right sides and/or plate the perpendicular clamping of joint pin join or be one with these described perpendicular clampings respectively, in the process of described cast-in-place concrete, make from the concrete that flows down between the corresponding perpendicular clamping to enter and be full of described horizontal interval, form cast-in-place horizontal joint and with its up and down two ends described prefabricated sandwich concrete panel and underbeam/basis is fixed becomes one.
3. the prefabricated sandwich concrete panel of cast-in-place beam column as claimed in claim 2 residential building system job practices, it is characterized in that described prefabricated sandwich concrete panel comprises window lower plate and pier sheathing, the upper and lower edge of its two sides was equipped with upper and lower template respectively in advance before described pier sheathing contraposition was installed, the lower limb of its two sides was equipped with lower bolster in advance before described window lower plate contraposition was installed, described cope match-plate pattern constitutes the part of the clamping of described upper beam, and described lower bolster constitutes the horizontal clamping of described horizontal joint.
4. the prefabricated sandwich concrete panel of cast-in-place beam column as claimed in claim 3 residential building system job practices, it is characterized in that described pier sheathing around be shaped on overhanging connecting reinforcement in advance, left and right and the lower end of described window lower plate is shaped on overhanging connecting reinforcement in advance, the overhanging end of pre-buried dowel is cemented in the described horizontal joint on the connecting reinforcement of the lower end of described prefabricated sandwich concrete panel and the described underbeam/basis, and its connecting reinforcement left and right and upper end is cemented in respectively between described left and right plate in joint pin and/or anta and the described upper beam.
5. the prefabricated sandwich concrete panel of cast-in-place beam column as claimed in claim 4 residential building system job practices, it is characterized in that the U-shaped of the overhanging end of described connecting reinforcement and dowel for sealing, be positioned at that the connecting reinforcement from different described prefabricated sandwich concrete panels of joint pin overlaps mutually between described plate, the described connecting reinforcement and the dowel that are positioned at described horizontal joint overlap mutually.
6. the prefabricated sandwich concrete panel of cast-in-place beam column as claimed in claim 5 residential building system job practices is characterized in that also being provided with between inside and outside two templates of described upper and lower template some stay bolts that described template are fixed on the stay bolt on the described prefabricated sandwich concrete panel and socket described inside and outside two templates to the inside that are respectively applied for.
7. as the prefabricated sandwich concrete panel of the described cast-in-place beam column of arbitrary claim among claim 1-6 residential building system job practices, it is characterized in that the construction sequence of its vertical load-carrying members comprises:
(1) cast-in-place underbeam/basis, and at the pre-buried dowel in the installation site of described prefabricated sandwich concrete panel;
(2) described prefabricated sandwich concrete panel is installed in contraposition on described underbeam/basis;
(3) reinforcing bar of joint pin, horizontal joint and anta between the described plate of configuration;
The perpendicular clamping and the horizontal clamping of (4) installing, disposing joint pin, horizontal joint and anta between described plate, make that the space is interconnected in the clamping of joint pin between described horizontal joint and adjacent described plate and/or anta, the mounting means of described perpendicular clamping and horizontal clamping is following any one mode:
(a) the on-the-spot installation behind the reinforcing bar that assembles joint pin, horizontal joint or anta between corresponding described plate;
(b) before described prefabricated sandwich concrete panel is installed in contraposition, on the relevant position of described prefabricated sandwich concrete panel, install in advance;
(c) the part clamping is installed according to the mode of above-mentioned (a) is on-the-spot, and the part clamping is installed in advance according to the mode of above-mentioned (b);
(5) cast in situs forms joint pin, horizontal joint and anta between described plate, and becomes as a whole with described prefabricated sandwich concrete panel and underbeam/basic concrete mutually.
8. the prefabricated sandwich concrete panel of cast-in-place beam column residential building system, the vertical load-carrying members that it is characterized in that its each floor comprise fixed mutually become whole prefabricated sandwich concrete panel and cast-in-place post, and described post comprises anta and is arranged on joint pin between the plate of junction between the described prefabricated sandwich concrete panel.
9. the prefabricated sandwich concrete panel of cast-in-place beam column as claimed in claim 8 residential building system, it is characterized in that being provided with cast-in-place horizontal joint between the lower end of described prefabricated sandwich concrete panel and the beam/basis, joint pin is the integrative-structure that the one cast forms between described horizontal joint and adjacent described plate.
10. the prefabricated sandwich concrete panel of cast-in-place beam column as claimed in claim 9 residential building system, it is characterized in that described prefabricated sandwich concrete panel comprises pier sheathing and window lower plate, the upper/lower terminal of described pier sheathing is reserved with several bolt connecting holes that is used for fixing described upper and lower template respectively, and the lower end of described window lower plate is reserved with several bolt connecting holes that is used for fixing described lower bolster.
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Denomination of invention: Residential building system with cast-in-situ beam columns and prefabricated sandwich concrete wall panels and construction method Effective date of registration: 20180115 Granted publication date: 20131023 Pledgee: Beijing first financing Company limited by guarantee Pledgor: BEIJING HUAMEIKEBO TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: 2018990000036 |
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