CN102691366B - Precast concrete self-insulating shear wall and assembly type concrete building shear wall structure - Google Patents
Precast concrete self-insulating shear wall and assembly type concrete building shear wall structure Download PDFInfo
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Abstract
The invention relates to an improvement on a precast concrete self-insulating shear wall and an assembly type concrete building shear wall structure. The precast concrete self-insulating shear wall is characterized in that a self-insulating wall body overlapped connecting bolt is a metal bolt of which at least one end is coated with a low heat conducting fiber resin layer, wherein a bolt head is positioned on a concrete leaf wall; section steel joints extends out of concrete end surfaces on the left side and the right side of a precast wall body; the upper ends and the lower ends of the section steel joints extend out of the concrete end surfaces and are connected with steel reinforcing bars; the heads of the section steel joints are radially-thickened cylindrical bolt heads and/or cylindrical threaded heads; if the heads are the cylindrical bolt heads, the inner sides of the bolt heads are sleeved in advance with connecting sleeves of which the outer ends are provided with internal threads and the inner ends are necked; and such precast concrete self-insulating shear walls are assembled through a corner splicing combination structure. The invention has the advantages that a cold/heat bridge in the precast concrete self-insulating shear wall is effectively avoided and a low anchoring cost is obtained; and in addition, during assembly, the hoisting is simple and the assembly is quick, and after the hoisting is in place, a wall board can be stably positioned by only connecting the section steel joints with shear wall corner section steel, and thus a large amount of temporary fixed support frames are omitted.
Description
Technical field
The present invention is the improvement to Prefabricated Concrete self-heat conserving shear wall and assembling concrete building shear wall structure, relate in particular to and a kind ofly can effectively cut off cold-heat bridge, wall heat transfer coefficient is lower, anchor connector cost is low, assemble simpler, and can omit a large amount of supplemental support, can realize Prefabricated Concrete self-heat conserving shear wall and the assembly structure of assembling fast.
Background technology
Shear wall can bear vertical and horizontal loading, can load-bearing go along with sb. to guard him again, and continuous from top to bottom, conventionally for the bulk strength building of having relatively high expectations, employing shear wall structure.Existing shear wall concrete building, mostly adopts successively formwork erection pour concrete of scene, applies outer insulation.Described in Chinese patent CN101289883, CN101089306, CN202202518, CN202214844, CN200952198, CN202081536, CN201722816 etc.Along with the technological progress of building industry, assembled architecture rises gradually.Shear wall also has employing prefabricated, site assembly.
Chinese patent CN1888343 composite heat insulation concrete shear wall, by being simultaneously covered with the prefabricated thermal insulation concrete wall of adiabator layer and in-situ concrete wall is compound forms, Combined Mining connects with the embedding steel member in interval.It is only that part realizes factory prefabricating, also needs the solidifying cob wall body of cast-in-site superimposed, thereby does not realize the completely prefabricated of shear wall; Secondly, composite monolithic connects, and adopts the steel member of high heat conduction, thereby has cold-heat bridge, affects the further reduction of self heat insulation wall coefficient of thermal conductivity.
Chinese patent CN201217855 one-shot forming band heat insulation facing precast concrete short-limb shear wall provided, by shear wall, insulation layer, mortar bonding layer three is stacked closes, architectural surface, has been prefabricated in the factory in addition, and three layers connect by being welded with the steel mesh reinforcement of tension rib.Same thickness direction adopts simple reinforcing bar drawknot to have cold-heat bridge.
Above-mentioned precast shear wall adopts three layer construction, centre arranges isolation layer, but between outer concrete Ye Qiang and interior concrete shear wall, still adopting heat conductor reinforcing bar to draw is connected, connecting reinforcement unavoidably will produce heat bridge (thermal bridges) or cold bridge (cold bridges), and self heat insulation wall heat transfer property, largely be decided by cold-heat bridge phenomenon, if exist cold-heat bridge can make heat transfer property increase substantially, thereby limited the further reduction of self-heat preservation heat insulation wall thermal transmittance.
Chinese patent CN201687102 assembled integral shear wall structure system, the aforementioned three layer construction of the same employing of Prefabricated Concrete self-heat conserving shear wall, its improvement is to make three interlayer spot distribution anchor connectors, adopts FRP plate, FRP joint bar and Plastibell connector.More above-mentioned prior art, owing to adopting the FRP connector of low heat conduction, thereby can effectively reduce or eliminate cold-heat bridge, makes self heat insulation wall heat-proof quality improve major step.But FRP connector, cost taken by themselves is high far beyond reinforcing bar, and especially the tensile property of FRP material own is better, but resistance to compression is relative with shear behavior poor, therefore for meeting the required resistance to compression of building composite wall and shear behavior, connector cross section is relatively large, has increased especially the cost of connector; Secondly, FRP connector is made relative complex, is also the another reason that causes connector cost up.For using in a large number in body of wall, architectural being difficult to of high cost accepted, thereby can limit it and apply.
Secondly, existing Prefabricated Concrete shear wall assembling (CN201687102), adopt monoblock wallboard splicing structure (plate-plate is assembled), the assembling of wall body left and right is stretched out wall transversal by side and is overlapped to distributing bar anchoring, and formwork erection cast ater-casting concrete connects into integral body; Body of wall is assembled up and down, it is the reinforced bar sleeve of the pre-buried and connection identical with body of wall longitudinal screw main reinforcement quantity in Prefabricated Concrete body of wall bottom, during assembling, upper strata Prefabricated Concrete shear wall is sling, make pre-buried each reinforced bar sleeve in bottom be inserted in the main reinforcement that stretch out lower floor's Prefabricated Concrete body of wall upper end, again with the fixing body of wall of temporary supporting, by each reinforced bar sleeve is stretched out to main reinforcement fixed in the body of wall bottom sleeves of upper strata (forming embedded bar sleeve+slip casting connects) in slip casting ，Shi lower floor body of wall upper end one by one.The main deficiency of this assembly structure has three: one, and because shear wall is that solid concrete wall weight is larger, full piece is assembled high to the requirement of hanging device hoisting weight, needs large-scale hoisting machinery; The 2nd, site assembly bothers and is difficult to accomplish quick, for example lift by crane upper strata Prefabricated Concrete shear wall, need a hole Yi Ge Kong Yu lower floor concrete shear wall to stretch out reinforcing bar contraposition and insert, consuming time more, and it is fixing after body of wall lifting puts in place, also to need more supplemental support to help, and causes supplemental support large usage quantity; San Shi lower floor wall steel bar is connected with upper strata body of wall sleeve slip casting, sleeve slip casting connects, not only length sleeve is longer, also increased body of wall cost, and slip casting workload is one by one large, and slip casting quality of connection affected by manual operation larger, slip casting is unreal easily causes jointing strength decreased, thereby quality of connection is difficult to obtain Reliable guarantee.Particularly the complete assembled quick assembling that can not realize assembled architecture of piece, can lose assembled architecture part advantage, also makes assembly cost improve.
The building scale of construction is large, and low cost is very important, and therefore above-mentioned prior art deficiency still has is worth improved place.
Summary of the invention
The present invention's the first object is to overcome above-mentioned the deficiencies in the prior art, and providing a kind of can effectively cut off cold-heat bridge, and wall heat transfer coefficient is lower, and anchor connector cost is low, is suitable for quick assembling, and does not substantially need the Prefabricated Concrete self-heat conserving shear wall of supplemental support.
Another object of the present invention is to provide a kind of can omit a large amount of supplemental support, assembles simplyr, and can realize the assembling concrete building shear wall structure of fast assembling.
The present invention's the first object realizes, main improvement one is by the three stacked connectors that close, changing at least one end outsourcing that can effectively cut off cold-heat bridge into has the metal bolts of low heat conducting fiber resin bed, the 2nd, at body of wall, at least also respectively there is the shaped steel joint that stretches out concrete end face in two sides, and upper and lower side is stretched out to connecting reinforcement head and make cylindrical bolt head and/or the cylindrical thread head that is applicable to sleeve connection, thereby overcome the deficiencies in the prior art, realize the object of the invention.Specifically, Prefabricated Concrete self-heat conserving shear wall of the present invention, comprise prefabricated superimposed concrete shear wall, low thermal conductivity heat-insulating layer and outer concrete leaf wall, the thickness of spot distribution connects crab-bolt, and the connecting reinforcement that stretches out of peripheric surface, it is characterized in that said connection crab-bolt is the metal bolts that at least one end outsourcing has low heat conducting fiber resin bed, bolt head is positioned at concrete leaf wall; Prefabricated Concrete body of wall at least each side has the shaped steel joint that stretches out concrete end face; Upper and lower side stretches out concrete end face connecting reinforcement, and head is for radially increasing thick cylindrical bolt head and/or cylindrical thread head, if cylindrical bolt head, it is that internal thread, the inner are the branch sleeve of reducing that bolt head inner side is arranged with outer end in advance.
The present invention's the second object realizes, main improvement makes shear wall left and right assembled, by full piece is assembled, change into by preformed self thermal insulation shear wall and preformed self thermal insulation shear wall corner assembling combination structure (do not adopt the adjacent left and right of single shear wall assembled), and make it to become, be similar to frame construction assembling (during assembling, shear wall corner is similar to framework), between adjacent shear wall corner, according to architectural design, can be a Prefabricated Concrete shear wall, can be also two Prefabricated Concrete shear walls.Assembling concrete of the present invention is built shear wall structure specifically, comprise that Prefabricated Concrete self-heat conserving shear wall is adjacent, splicing up and down, at Mosaic face teeming concrete, fill and to link into an integrated entity, it is characterized in that left and right is assembled by Prefabricated Concrete self-heat conserving shear wall and Prefabricated Concrete self-heat conserving shear wall corner, is combined with layer, said Prefabricated Concrete self-heat conserving shear wall and Prefabricated Concrete self-heat conserving shear wall corner, by concrete shear wall, low thermal conductivity heat-insulating layer and outer concrete leaf wall are superimposed, thickness spot distribution at least one end outsourcing has the metal bolts anchoring of low heat conducting fiber resin bed, Prefabricated Concrete body of wall and corner at least each side have shaped steel joint and the connecting reinforcement that stretches out concrete end face, upper and lower side respectively has the connecting reinforcement that stretches out concrete end face, and head is and radially increases thick cylindrical bolt head and/or cylindrical thread head, if cylindrical bolt head, inside bolt head, being arranged with in advance outer end is internal thread, inner is the branch sleeve of reducing, when Prefabricated Concrete body of wall connects up and down, cylindrical bolt head and the cylindrical thread head that steel bar end is respectively pairing stretched out at two ends, Prefabricated Concrete shear wall corner upper and lower side also respectively has the shaped steel joint that stretches out concrete end face.
In this patent.
Prefabricated Concrete shear wall left and right two sides are stretched out the shaped steel joint of concrete end face, while being mainly used in assembling, be connected (for example shear wall, shear wall corner) with adjacent preforms, both can realize omission supplemental support and fix, also can improve connecting portion mechanical strength and anti-seismic performance again simultaneously.Its setting position is not particularly limited, and can be top, bottom or the middle part of side, and according to Prefabricated Concrete shear wall size, the shaped steel joint stretching out, can be one, can be also two or more than.
Low thermal conductivity heat-insulating layer, be mainly used in cutting off interior exterior wall and conduct heat, play self-heat conserving effect, conventional and economy has: expansion polyphenyl plate (EPS plate), extruded polystyrene board (XPS plate), rock cotton board etc., they have the thermal transmittance more much lower than concrete, and this belongs to prior art; In addition,, along with scientific and technological progress, the heat-barrier material that exploitation has aforementioned similar performance, also can be used.
At least one end outsourcing has the metal bolts of low heat conducting fiber resin bed, be mainly used in the crab-bolt of anchor connection inside and outside wall board (three layers), make three stacked synthetic integral body, the low heat conducting fiber resin bed of all or part of outsourcing of bolt, cut off concrete and conducted heat (cold) by metal bolts, thereby effectively intercepted inside and outside cold-heat bridge.The low heat conducting fiber resin bed of outsourcing, mainly from the existing low heat conduction of prior art and high with concrete bond strength, useful life long (can with same life-span of building), good economy performance, the simple angle of construction are considered, select low heat conducting fiber resin bed (for example glass fiber reinforced plastic, fibrous epoxy resin), but along with material technology progress, if develop similar low cost, low Heat Conduction Material, can apply equally.One end head expands and forms bolt head, is mainly the bonding strength that strengthens connecting reinforcement and thin siphonal lobe wallboard, meets the requirement of building assembled wall board bulk strength.Metal bolts, it is a kind of that more economical in order to adopt indented bars head jumping-up to form, the grip of bolt does not need thread cutting, and the grip of bolt is threaded and is also fine certainly, has just increased the weight of like this cost of anchoring piece.The low heat-conducting resin fibrage of metal bolts outsourcing, a kind of is better that the low heat-conducting resin fibrage of outsourcing is stretching into the grip of bolt of shear wall, outer packet length is to isolation layer and be U-shaped that closed metal contacts with concrete.
Upper and lower side stretches out concrete end face connecting reinforcement (body of wall longitudinal screw main reinforcement), head adopts and radially increases thick cylindrical bolt head and/or cylindrical thread head, mainly to be convenient to the sleeve that upper and lower Prefabricated Concrete shear force wall reinforcing steel bar adopts fast, quality assurance is good directly connect, and connect without the slow welding of prior art speed of application or sleeve slip casting, thereby really realize the quick assembling of assembled architecture.For guaranteeing to surpass the bonding strength of reinforcing bar body, head increases thick better ring limit thick >=4mm, 4-8mm for example, for convenience of making, cylindrical bolt head increases slightly identical with cylindrical thread head.If cylindrical bolt head, it is that internal thread, the inner are the branch sleeve of reducing that bolt head inner side is arranged with outer end in advance, this sleeve connected mode can realize member location, (contracting port in branch sleeve one end rotates to draw with cylindrical bolt head and is connected (can rotate and move axially) the motionless reinforced bar sleeve connection of reinforcing bar, the other end is threaded with relative connecting reinforcement, thereby realizes prefabricated concrete element spacer bars sleeve mechanical connection).Adapter sleeve tube length, preferably 60-150mm inside bolt head.
Prefabricated Concrete self-heat conserving shear wall corner, is mainly from prefabrication and assembly construction angle, and it is separated into independent prefabricated units (thickness is identical with assembling shear wall) from shear wall side, realizes and simplifies assembling.According to architectural design, can be only corner, can be also short supported shear wall.Corner cross section, according to architectural design, can be T shape, Z-shaped, right angle type, arc etc.Its height can be 2-5 layer according to reinforcing bar length and shear wall thickness, and the column that is equivalent to frame construction during assembling first gives assembling, for assembling shear wall provides location fixing, to omit body of wall temporary supporting, after assembling, still belongs to shear wall with shear wall.Prefabricated Concrete self-heat conserving shear wall corner structure, the same Prefabricated Concrete self-heat conserving shear wall, left and right and all have up and down the connecting reinforcement (upper and lower the cylindrical bolt head of reinforcing bar head and/or cylindrical thread head) that stretches out concrete end face, and the shaped steel joint of concrete face is stretched out at upper and lower two ends in addition, be mainly used in the installation of corner and do not connect into fixing before integral body.
Prefabricated Concrete shear wall, a kind of is better precast wall body height and story height basic identical (being highly one deck), is convenient to form building integral structure with laminated floor slab, guarantees building level rigidity.
This patent Prefabricated Concrete self-heat conserving shear wall, except carrying inner thermal insulating layer and three, stackedly close anchor connector and upper and lower side to stretch out concrete connecting reinforcement head construction different, and Prefabricated Concrete body of wall left and right sides respectively has outside the shaped steel joint that stretches out concrete end face, all the other are not mentioned especially all with existing concrete self-insulating shear wall or shear wall, shear wall thickness for example, reinforcing bar configuration is determined by architectural design, body of wall adopts way and double-layer steel bar concrete etc. by prior art, narration separately no longer one by one, it is open that explanation of the prior art is equivalent to the present invention, this is familiar with by technician, to save length.
Prefabricated Concrete self-heat conserving shear wall of the present invention and assembling concrete building shear wall structure, with respect to prior art, the superimposed anchoring of concrete self-insulating shear wall, adopt the metal bolts that is surrounded by low heat conducting fiber resin bed outside one end at least, and on Prefabricated Concrete body of wall, increasing left and right assembling shaped steel joint, upper and lower side reinforcing bar connects employing sleeve and directly connects.Not only solve the cold-heat bridge phenomenon that prior art Prefabricated Concrete self-heat conserving shear wall exists, made it to have better thermal insulation (cold) performance; And lifting is simple when assembling, does not need to resemble the slip casting of insertion reinforced bar sleeve and connect exactitude position one by one; After lifting puts in place, only shaped steel joint need be fixed and can be made wallboard strong fix with adjacent members, can omit a large amount of temporary fixed bracing frames; Levels reinforcing bar connects employing sleeve and directly connects, and not only reinforcing bar quality of connection is guaranteed, and makes prefabricated units assembling more quick, is conducive to realize on-the-spot rapid-assembling.The anchoring of concrete wall metal bolts, has better coupling bonding strength (reinforcing bar (metal) is the most effective connected mode with concrete, by building protracted experience is accumulated) with concrete, and makes simply, and cost is low, meets the low-cost requirement of constructional materials.Member shaped steel joint, not only can realize connected node and strengthen connection, can also increase ater-casting concrete strength.Assembling concrete building shear wall structure, adopt Prefabricated Concrete self-heat conserving shear wall and Prefabricated Concrete self-heat conserving shear wall corner assembly structure (do not adopt the adjacent left and right of single shear wall assembled), be similar to frame construction assembling (during assembling, shear wall corner is similar to upright of frame), also overcome shear wall structure overall weight large, lifting difficulty, and the shortcoming that needs Large-scale Hoisting equipment, particularly shear wall corner can be prefabricated into multilayer (for example 2-5 layer) highly, in assembling, can be used as like this frame column, during for the assembling of lifting shear wall, play the role of positioning, can omit a large amount of temporary fixed bracing frames, realize the quick of shear wall assembled architecture, efficiently, safety assembled.This patent Prefabricated Concrete self-heat conserving shear wall and assembly structure, be specially adapted to house and similar shear wall system building.Prefabricated Concrete self-heat conserving shear wall (comprising concrete shear wall corner), interlayer forms integral fastening and adopts the metal bolts that is surrounded by low heat conducting fiber resin bed outside one end at least, respectively there is the shaped steel joint that stretches out concrete end face precast wall body left and right, the connecting reinforcement head that upper and lower side stretches out concrete face increases thick expansion, available sleeve directly connects, for being different from other band self-heat conserving Prefabricated Concrete shear wall important symbols.Shear wall assembly structure, is combined by the shear wall corner of the similar corner post of the shear wall decomposing and left and right sides, makes to assemble similar frame construction, is also the distinguishing characteristics that is different from prior art Prefabricated Concrete shear wall assembly structure.
Below in conjunction with three specific embodiments; essence of the present invention is further understood in exemplary illustration and help; but embodiment detail is only for the present invention is described; do not represent that the present invention conceives lower whole technical scheme; therefore should not be construed as the total technical scheme of the present invention is limited, some are In the view of technician, and the unsubstantiality that does not depart from the present invention's design increases and/or changes; for example, to there is simple the change or replacement of technical characterictic of same or similar technique effect, all belong to protection domain of the present invention.
Accompanying drawing explanation
Fig. 1 is a kind of Prefabricated Concrete self-heat conserving of the present invention shear wall front schematic view.
Fig. 2 is Fig. 1 side-looking structural representation.
Fig. 3 is a kind of structural representation of connector in Fig. 1.
Fig. 4 is the another kind of structural representation of connector in Fig. 1.
Fig. 5 is assembling concrete building shear wall assembly structure schematic top plan view of the present invention.
Fig. 6 is B-B assembly structure schematic diagram in Fig. 5.
Fig. 7 is that Fig. 6 E portion reinforced bar sleeve directly connects structure for amplifying schematic diagram.
Fig. 8 is Fig. 5 exterior wall assembling facade structures schematic diagram.
Fig. 9 is Fig. 5 interior wall assembling facade structures schematic diagram.
The specific embodiment
Embodiment 1: referring to Fig. 1-4 and 7, Prefabricated Concrete self-heat conserving shear wall of the present invention, by interior concrete shear wall 1 (thickness >=200mm, specifically according to architectural design, determine), thick middle 30-50mm low thermal conductivity heat-insulating layer 2 (EPS plate), outer thick 40-60mm concrete slender lobule plate 3 superimposed compositions, the loose point of metope thickness direction is buried underground and is distributed with superimposed anchor connector 4.Middle low thermal conductivity heat-insulating layer 2 and outer concrete slender lobule plate 3, four sides exceeds shearing metope, as the heat insulation and siphonal lobe wall of assembled adjacent shear wall ater-casting, simultaneously can also be as the external mold (ater-casting only needs internal mold) of ater-casting.Prefabricated Concrete shear wall, each side has the connecting reinforcement (wall structure reinforcing bar) 6 that stretches out concrete end face, and the shaped steel of stretching out joint 7 is respectively arranged at top, respectively there is the connecting reinforcement (body of wall screw thread main reinforcement) 5 that stretches out concrete end face at upper and lower two ends, in order to increase the cylindrical bolt head of thick thickening 8mm (radius thickens) and/or cylindrical thread head 8, (during assembling, upper wainscot sheathing connects two ends and stretches out and increase the thick cylindrical bolt head of increasing and the cylindrical thread head that bar reinforcement head is respectively pairing upper and lower side connecting reinforcement head, can sleeve connect), wherein cylindrical bolt head 8 axial inner ends faces are processed into plane, there is long 110mm bolt head inner side in advance cover, outer end is internal thread 9.1, inner (be less than cylindrical bolt head for plane contracting port 9.2, cylindrical bolt head is hooked in rotation) branch sleeve 9, connecting reinforcement cylindrical bolt head 8 inner sides are close to 8 one sections, cylindrical bolt head and slightly increase thick, be processed with external screw thread, and there is with it a nut 10 coordinating, Prefabricated Concrete body of wall upper and lower side connects shaped steel joint in addition as required.Precast wall body is reserved with window opening (can be also windowless hole).
Superimposed anchor connector 4 (Fig. 3-4), for there is the reinforcement bolt (more preferably band increases the indented bars of thick bolt head) of enlarged head 4.2 one end, one end or all outer glass reinforced plastic winding isolation layer 4.1 that is surrounded by, to block inside and outside concrete cold-heat bridge.Embodiment preferentially selects, and the low heat-conducting resin fibrage of outsourcing is arranged on the grip of bolt that stretches into shear wall, and outer packet length is to isolation layer and be U-shaped that closed metal contacts with concrete.Enlarged head 4.2 is placed in outer concrete leaf wall.
Embodiment 2: as embodiment 1, and can also the outer decorative floor block of siphonal lobe wall and precast wall body one is prefabricated.For example, when building concrete, on framed bed die, anti-paving outer decorative layer face brick, then places siphonal lobe wall steel mesh reinforcement, and cast siphonal lobe wall, places isolation layer and shear force wall reinforcing steel bar net, cast shear wall; Also can first water interior shear wall, after water siphonal lobe wall, then lay mortar bonding tapestry brick.Can also be prefabricated rear employing exterior wall coating material, first in the brushing of siphonal lobe wall outside, then assembling.
Embodiment 3: referring to Fig. 5-9, (show 16, A, B, C, D8 piece wallboard, two layers of assembling), assembling concrete building shear wall assembly structure of the present invention, the main concrete self-insulating shear wall by a prefabricated layer height is (as embodiment 1, 2) and the concrete self-insulating shear wall corner of prefabricated 2-5 layer height (structure is embodiment 1 roughly the same, 2 self-heat conserving shear walls, just upper and lower side increases respectively shaped steel joint 11.1 and 14.1, vertically fixing and extension for corner connects, successively there is the shaped steel joint 15 that stretches out concrete end face joining with body of wall shaped steel joint side), exterior wall is Prefabricated Concrete self-heat conserving shear wall 13, internal partition wall omits shear wall thermal insulation layer and siphonal lobe layer, only Prefabricated Concrete shear wall 16 (other are identical with preformed self thermal insulation shear wall).
During assembling, first by designing hoisting prefabricated concrete self-insulating shear wall right-angled corner 11 and the T-shaped corner 14 of midfeather and being connected and fixed by shaped steel joint 11.1 and 14.1, " column " framework while making it to become assembling; Then between column, distinguish hoisting prefabricated concrete self-insulating shear wall 13 (exterior wall) and Prefabricated Concrete shear wall 16 (internal partition wall).Between body of wall and body of wall and corner upright, the shaped steel joint 15 stretching out by side connects, and makes to assemble body of wall and obtains without supporting fixing.Between connecting wall or between body of wall and corner upright, stretch out reinforcing bar 6 (anchoring overlap joint), and place longitudinal reinforcement, form delay-pour joint band 12 (common wide 300-400mm), bottom is by lower floor's reinforcing bar and upper strata body of wall lower rebar, adopt sleeve directly to connect (E portion amplification, Fig. 7, rotation is preset in the branch sleeve 9 stretching out with cylindrical bolt head connecting reinforcement inner side, make the tension that is spirally connected of the internal thread 9.1 of outer end and the cylindrical thread head of relative connecting reinforcement, finally screw the nut 10 outside sleeve), at inner face formwork supporting plate, form the U-shaped ater-casting 12 of dual-side and base connection, by the high-order concrete slurry (slip casting concrete is higher than 1 label of Prefabricated Concrete) of noting in U-shaped two ends, the full delay-pour joint band that forms vibrates, complete one deck assembling (adopting without self-heat conserving structure Prefabricated Concrete shear wall every shear wall 16 in building).Hoisting prefabricated concrete laminated floor slab 17.1, lay in the above steel mesh reinforcement, water build floor overlapping layers 17.2, thereby form with assembled wallboard, there is integrally-built laminated floor slab 17, concrete Ye Qiang gap between levels is downward-sloping, and interior filling blocks water and fills 18 (for example rubber strips).Repeat said process, successively assembling, until complete whole building shear wall assembling building.
To those skilled in the art, under this patent design and specific embodiment enlightenment, some distortion that can directly derive or associate from this patent disclosure and general knowledge, those of ordinary skills will recognize also can adopt additive method, or the substituting of conventional known technology in prior art, and the equivalence of feature changes or modifies, mutual various combination between feature, the for example change of low heat conducting fiber resin on Prefabricated Concrete shear wall thickness anchor bolt, thickness of wall body and structure change and (for example offer or offer window opening according to reality building, door opening), shear wall corner configurations changes, and shear wall assembly structure can also be for the Prefabricated Concrete shear wall assembled architecture of isolation layer, shaped steel joint and number change, and the variations in detail of some unsubstantialities changes under this patent design, etc. unsubstantiality change, can be employed equally, can realize this patent representation function and effect, launch for example no longer one by one to describe in detail, all belong to this patent protection domain.
Upper easy for describing, the said concrete of this patent, all refers to steel bar concrete.
Claims (10)
1. Prefabricated Concrete self-heat conserving shear wall, comprise prefabricated superimposed concrete shear wall, low thermal conductivity heat-insulating layer and outer concrete leaf wall, the thickness of spot distribution connects crab-bolt, and the connecting reinforcement that stretches out of peripheric surface, it is characterized in that it is the metal bolts that at least one end outsourcing has low heat conducting fiber resin bed that said thickness connects crab-bolt, bolt head is positioned at concrete leaf wall; Prefabricated Concrete body of wall at least each side has the shaped steel joint that stretches out concrete end face; Upper and lower side stretches out concrete end face connecting reinforcement, and head is for radially increasing thick cylindrical bolt head or cylindrical thread head, if cylindrical bolt head, it is that internal thread, the inner are the branch sleeve of reducing that bolt head inner side is arranged with outer end in advance.
2. Prefabricated Concrete self-heat conserving shear wall according to claim 1, is characterized in that it is the indented bars bolt of indented bars head jumping-up that thickness connects crab-bolt.
3. Prefabricated Concrete self-heat conserving shear wall according to claim 1, is characterized in that the low heat-conducting resin fibrage of metal bolts outsourcing is stretching on the grip of bolt of shear wall, and outer packet length is to isolation layer and be U-shaped that closed metal contacts with concrete.
4. Prefabricated Concrete self-heat conserving shear wall according to claim 1, is characterized in that cylindrical bolt head reinforcement bolt head inner side slightly increases thick and is processed with external screw thread, has nut outward.
5. Prefabricated Concrete self-heat conserving shear wall according to claim 1, is characterized in that cylindrical bolt head axial inner ends face is plane, and branch sleeve reducing is inner plane reducing.
6. according to Prefabricated Concrete self-heat conserving shear wall described in arbitrary claim in claim 1 to 5, it is characterized in that low thermal conductivity heat-insulating layer and outer concrete leaf wall surrounding stretch out concrete shear wall.
7. assembling concrete is built shear wall structure, comprise that Prefabricated Concrete self-heat conserving shear wall is adjacent, splicing up and down, at Mosaic face teeming concrete, fill and to link into an integrated entity, it is characterized in that left and right is assembled by Prefabricated Concrete self-heat conserving shear wall and Prefabricated Concrete self-heat conserving shear wall corner, is combined with layer, said Prefabricated Concrete self-heat conserving shear wall and Prefabricated Concrete self-heat conserving shear wall corner, by concrete shear wall, low thermal conductivity heat-insulating layer and outer concrete leaf wall are superimposed, thickness spot distribution at least one end outsourcing has the metal bolts anchoring of low heat conducting fiber resin bed, Prefabricated Concrete body of wall and corner at least each side have shaped steel joint and the connecting reinforcement that stretches out concrete end face, upper and lower side respectively has the connecting reinforcement that stretches out concrete end face, and head is and radially increases thick cylindrical bolt head or cylindrical thread head, if cylindrical bolt head, inside bolt head, being arranged with in advance outer end is internal thread, inner is the branch sleeve of reducing, when Prefabricated Concrete body of wall connects up and down, cylindrical bolt head or the cylindrical thread head that steel bar end is respectively pairing stretched out at two ends, Prefabricated Concrete shear wall corner upper and lower side also respectively has the shaped steel joint that stretches out concrete end face.
8. assembling concrete is built shear wall structure according to claim 7, it is characterized in that Prefabricated Concrete self-heat conserving shear wall height is story height.
9. assembling concrete is built shear wall structure according to claim 7, it is characterized in that preformed self thermal insulation shear wall corner height is 2-5 layer.
10. assembling concrete building shear wall structure according to claim 7, is characterized in that the concrete Ye Qiang gap between levels is downward-sloping, the interior filling filling that blocks water.
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