CN1769615A - Cast-in-situ reinforced concrete hollow slab - Google Patents
Cast-in-situ reinforced concrete hollow slab Download PDFInfo
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- CN1769615A CN1769615A CN 200410155428 CN200410155428A CN1769615A CN 1769615 A CN1769615 A CN 1769615A CN 200410155428 CN200410155428 CN 200410155428 CN 200410155428 A CN200410155428 A CN 200410155428A CN 1769615 A CN1769615 A CN 1769615A
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Abstract
The invention discloses a cast-in-place reinforced concrete hollow slab, which consists of reinforced concrete (1) and hollow pipe (2), wherein the hollow pipe (2) is buried in the reinforced concrete (1); two dead ends (3) of hollow pipe (2) plugs the pipe body (4) to form closed hollow pipe; multiple adjacent coaxial pipe ends of hollow pipe (2) constitutes arrangement; at least one dead end (3) of hollow pipe (2) sinks in the pipe body (4) to form outer opening hole (5) within inner plugging plate (6); the inner plugging plate (6) plugs the hollow cavity of pipe body (4); the cast-in-place concrete or reinforced concrete (1) enters the outer opening hole (5) to form overlapping transverse reinforced rib (7) with the inner plugging plate (6); the inner plugging plate (6) or and dead end (3) contains overlapping layers or overlapping edges (8). The structure reduces the longitude and transverse rigidity difference to improve the aseismatic property, which is fit for hollow building roof, lattice, basic floor, wall and hollow bridge of cast-in-place or prestressed reinforced concrete.
Description
(1) technical field
The present invention relates to a kind of cast-in-situ reinforcing steel bar concrete hollow slab.
(2) background technology
Advantages such as at present, cast-in-place concrete cored the template loss is little, can realize large bay owing to have quick construction, cuts off flexibly, and it is little to conduct oneself with dignity are more and more widely used.It becomes pole to be generally hollow thin-wall pipe, as paper tube, pipe of cement etc., its shortcoming is that intensity difference, non-deformability are little, the anti-vibration deformability is poor, for this reason, the application number of applicant application is 99115649.8, name is called the patent of invention of " fibre reinforced hollow thin-wall tube for filling in bar reinforced concrete and manufacture method thereof ", its disclosed hollow thin-wall pipe has premium properties such as intensity height, resistance to deformation, anti-vibration, and makes simple, practical, economic, easy popularization.This hollow section is applied to cast-in-situ reinforcing steel bar concrete hollow slab, formed hollowcore slab comprises steel bar concrete, hollow section, hollow section is embedded in the steel bar concrete, two plugs of hollow section form the hollow section that seals with the shutoff of body two ends, and many hollow section coaxial lines are arranged in groups, and formed this hollowcore slab is unidirectional hollowcore slab, its vertical cross stiffness difference is big, therefore poor seismic behavior, develops a kind of novel cast-in-situ reinforcing steel bar concrete hollow slab for being badly in need of.
(3) summary of the invention
Characteristics such as the object of the present invention is to provide a kind of cast-in-situ reinforcing steel bar concrete hollow slab, it is little to have vertical cross stiffness difference, and anti-seismic performance is good.
Solution of the present invention is on the basis of existing technology, comprise steel bar concrete, hollow section, hollow section is embedded in the steel bar concrete, two plugs of hollow section form the shutoff of body two ends the hollow section of sealing, many hollow section coaxial lines are arranged in groups, it is characterized in that on the described hollow section exterior open cell being arranged, interior closure plate is arranged in the exterior open cell, cavity in the interior closure plate shutoff body, Cast-in-place concrete or steel bar concrete enter in the exterior open cell, form superimposed transverse stiffener with interior closure plate, interior closure plate is or/and have overlapping layers or matching edge on the plug.Like this, owing on the body in the hollowcore slab exterior open cell is arranged, interior closure plate is arranged in the exterior open cell, cavity in the interior closure plate shutoff body forms a plurality of sealed hollow, the cavity of Cast-in-place concrete in exterior open cell enters hollow body in body, be built up superimposed transverse stiffener with interior closure plate, thereby the vertical cross stiffness difference of hollowcore slab reduces greatly, and anti-seismic performance improves; Simultaneously, because interior closure plate is or/and have overlapping layers or matching edge on the plug, hollow section is in carrying and work progress, be connected firmly between plug and/or interior closure plate and the body, the phenomenon that is not prone to separation, ftractures or comes off, thereby, the construction of hollowcore slab is more convenient, and construction cost is lower; And if be superimposed with the plug of overlapping layers, its intensity height, rigidity are big, also can play the effect of transverse stiffener; In addition, hollowcore slab also has characteristics such as intensity height, resistance to deformation, anti-vibration, the hollow building cover, roof system, sole plate, body of wall and the hollow bridges that are applicable to cast-in-situ reinforced concrete or prestressed reinforced concrete are used, and are specially adapted to the cast-in-situ reinforced concrete hollow arch without beam and use.
Feature of the present invention also is to socket between described body and the interior closure plate part and connects, and the termination that sockets part is fixed in body and/or overlapping layers or the matching edge.Like this, socket part between body and the interior closure plate and connect, the termination that sockets part is fixed in body and/or overlapping layers or the matching edge, can improve the intensity and the rigidity of hollow section greatly.
Feature of the present invention also be described in overlapping layers on the closure plate or matching edge to link with body be one.Like this, after overlapping layers or matching edge and body link into an integrated entity, overlapping layers or matching edge and body formed can whole load member, the phenomenon that makes hollow pipe for filling concrete in the practice of construction application process, not be prone to overlapping layers or matching edge and body breakage, separate, come off, reduce the loss of product, saved cost.
Feature of the present invention is that also the part that sockets in the described interior closure plate stretches into anchoring in the steel bar concrete.Like this, the part that sockets in the interior closure plate stretches into anchoring in the steel bar concrete, can improve the rigidity and the intensity of hollow section greatly.
Feature of the present invention also is to be provided with reinforce at least one of described body, plug, interior closure plate or overlapping layers or matching edge.Like this, the intensity of body, plug, interior closure plate or overlapping layers or matching edge has obtained significantly improving, and can fully satisfy load bearing requirements.
Feature of the present invention is that also described reinforce is at least a in the net of fiber, reinforcing bar, steel wire or above-mentioned material or the thin band.Like this, the application demand under the various different situations can be fully satisfied in the variation of reinforce, and selection convenient, help reasonable material as required, reduce cost.
Feature of the present invention is that also described thin band reinforce is at least a thin band in porose, seam, raw edges, drift bolt, pin, sour jujube head or the convex-concave.Like this, after thin band reinforce is provided with above-mentioned structure, the anchorage reliability of thin band reinforce can be improved greatly, the intensity and the shock resistance of hollow pipe for filling concrete can be ensured effectively.
Feature of the present invention is that also described many hollow section pipe end adjacent spaces coaxial lines arrange in groups, and the plug of hollow section is parallel on same axis, is rib between the cast-in-situ reinforced concrete end between the hollow section pipe end.Like this, rib and Cast-in-place concrete longitudinal rib intersect between the Cast-in-place concrete end between the pipe end, have formed two-way rib structure in hollowcore slab inside, have increased substantially the supporting capacity and the comprehensive mechanical property of cast-in-situ reinforcing steel bar concrete hollow slab.
Feature of the present invention also is the hollow section that described coaxial line is arranged in groups, and the axis between its group and the group is arranged in a parallel, and is the cast-in-situ reinforced concrete longitudinal rib between hollow section group and the group.Like this, in floor, form many Cast-in-place concrete longitudinal ribs that are arranged in parallel, I-shaped, U font structure that the cross sectional shape of rib can be, its supporting capacity is big, and compressive property is good.
Feature of the present invention also is the plug of the different hollow sections of organizing of described adjacent different axis in same plane, and rib is rib layout between elongated end between the Cast-in-place concrete end that forms between pipe end and the pipe end.Like this, rib and Cast-in-place concrete longitudinal rib intersect between the elongated end of the Cast-in-place concrete between the pipe end, have formed two-way rib structure in hollowcore slab inside, have increased substantially the supporting capacity and the comprehensive mechanical property of cast-in-situ reinforcing steel bar concrete hollow slab.
Feature of the present invention also is the plug of the different hollow sections of organizing of described adjacent different axis not in same plane, the corresponding layout of interlocking that is of rib between the Cast-in-place concrete end that forms between pipe end and the pipe end.Like this, rib intersects with the Cast-in-place concrete longitudinal rib of pipe side between the Cast-in-place concrete end between the pipe end, has increased substantially cast-in-place concrete cored supporting capacity.
Feature of the present invention also is the hollow section that described coaxial line is arranged in groups, and the axis between its group and the group is to intersect each other to be arranged, and perhaps is parallel and crossing mixing and arranges.Like this, form special-shaped force transferring structure in cast-in-place concrete cored, can satisfy the needs of complicated pre-buried hollow section, made things convenient for construction application.
Feature of the present invention is that also described many hollow section pipe ends arrange in groups near coaxial line, and the plug of hollow section is parallel on same axis.Like this, can increase substantially the mechanical property of cast-in-situ reinforcing steel bar concrete hollow slab, reduce the vertical cross stiffness difference of hollowcore slab.
Feature of the present invention also is the hollow section that described coaxial line is arranged in groups, and the axis between its group and the group is arranged in a parallel, and is the cast-in-situ reinforced concrete longitudinal rib between hollow section group and the group.
Feature of the present invention also is the plug of the different hollow sections of organizing of described adjacent different axis in same plane, and the superimposed formed plug rib of the plug between the pipe end is elongated direction and arranges.Like this, rib and Cast-in-place concrete longitudinal rib intersect between the elongated end of the Cast-in-place concrete between the pipe end, have formed two-way rib structure in hollowcore slab inside, have increased substantially the supporting capacity and the comprehensive mechanical property of cast-in-situ reinforcing steel bar concrete hollow slab.
Feature of the present invention also is the plug of the different hollow sections of organizing of described adjacent different axis not in same plane, the corresponding layout of interlocking that is of the superimposed formed plug rib of the plug between the pipe end.Like this, rib intersects with the Cast-in-place concrete longitudinal rib of pipe side between the Cast-in-place concrete end between the pipe end, has increased substantially cast-in-place concrete cored supporting capacity.
Feature of the present invention also is the hollow section that described coaxial line is arranged in groups, and the axis between its group and the group is to intersect each other to be arranged, and perhaps is parallel and crossing mixing and arranges.Like this, form special-shaped force transferring structure in cast-in-place concrete cored, can satisfy the needs of complicated pre-buried hollow section, made things convenient for construction application.
Feature of the present invention also be the plug of described hollow section and hollow edges of boards reinforced-bar concrete beam or/and dark beam or/and body of wall intersect.Like this, the plug of hollow section and the reinforced-bar concrete beam of hollow edges of boards or/and dark beam or/and after body of wall intersects, the plug of hollow section has been connected to form the cast-in-place and prefabricated integral body that combines with above-mentioned each floor member, and plug also can participate in the floor slab structure power transmission, can improve the floor slab structure performance effectively.
Feature of the present invention also is exposing in the tube wall that reinforce stretches into back setting and harden body of described prefabricated plug, is integral with the body setting and harden.Like this, after the connection anchoring by reinforce, prefabricated plug and body have formed integral body, make the overall performance of hollow section better, can guarantee effectively that hollow section is applied to can not destroy in the process of cast-in-situ reinforcing steel bar concrete hollow slab, improve the pouring quality of hollowcore slab.
Feature of the present invention also is to be anchored in the overlapping layers or matching edge of plug after the reinforce of described body and plug is connected.Like this, be anchored in overlapping layers or the matching edge after the reinforce of body and plug is connected, can improve the rigidity and the intensity of hollow section greatly.
Feature of the present invention is that also described reinforce exposes outside the hollow section from body, plug, interior closure plate or overlapping layers or matching edge at least one, and is anchored in the steel bar concrete.Like this, when hollow section be applied to cast-in-place concrete cored in after, the reinforce and the Cast-in-place concrete that expose in body, plug, interior closure plate or overlapping layers or the matching edge combine, and can improve the overall performance of cast-in-situ reinforcing steel bar concrete hollow slab greatly.
Feature of the present invention is that also the reinforce that exposes that exposes reinforce and prefabricated plug of described prefabricated body interconnects, and is anchored in the steel bar concrete.Like this, after hollow section was applied in the cast-in-situ reinforcing steel bar concrete hollow slab, reinforce and Cast-in-place concrete that hollow body exposes combined, and can improve the overall performance of cast-in-situ reinforcing steel bar concrete hollow slab greatly.
Feature of the present invention also is to be provided with in the described body at least one stiffener.Like this, be provided with stiffener in the hollow body, can form the cast-in-place and prefabricated composite construction that combines, optimize cast-in-situ concrete hollow intralamellar part stress system with Cast-in-place concrete.
Feature of the present invention is that also described stiffener is stiffening rib, bracing boom, reinforcing rib, adds at least one in wringing.Like this, stiffener wide in variety is convenient to design, produces, construction selects for use, helps reducing and produces and construction cost.
Feature of the present invention is that also described stiffener is whole hollow unit, local hollow unit or fills out core component.Like this, when hollow section be applied to cast-in-place concrete cored in after, can rationally select for use above-mentioned stiffener to come hollow pipe for filling concrete is strengthened according to the different needs of actual conditions, to reduce the weight of hollow pipe for filling concrete, economical with materials to greatest extent.
Feature of the present invention also is to be provided with reinforce in the described stiffener, and perhaps reinforce is outside stiffener exposes the body of hollow section, and perhaps stiffener exposes outside the body, and is anchored in the steel bar concrete.Like this, in stiffener, be provided with reinforce, perhaps reinforce is outside stiffener exposes the body of hollow section, when perhaps stiffener exposed outside the body, the intensity of stiffener had obtained significantly improving, and can fully satisfy load bearing requirements, after described hollow section is applied in the Cast-in-place concrete floor, the above-mentioned member that exposes can fully combine with Cast-in-place concrete, makes hollow section and interior member participation structure thereof stressed jointly, can improve the mechanical property of floor effectively.
Feature of the present invention is that also the external surface of described body is provided with raised line or boss or the two combination.Like this, can improve the mutual wedge action between hollow section and the Cast-in-place concrete, improve the globality of hollowcore slab.
Feature of the present invention is that also the commissure of the tube wall of described body is formed with a raised line along the body axis direction.Like this, be formed with one behind the raised line of body axis direction at the commissure of the tube wall of body, raised line has been strengthened the commissural weak part of tube wall, makes joint close not easy to crack, can reduce the proportion of goods damageds of hollow pipe for filling concrete effectively.
Feature of the present invention is that also the external surface at least one of described body, plug or matching edge is provided with the indent structure.Like this, Cast-in-place concrete has formed corresponding with it Cast-in-place concrete member after pouring in the above-mentioned indent structure, can fully satisfy the needs of various different situations in the actual application, as gain in strength and rigidity, the layout of convenient various pipelines or member etc.
Feature of the present invention is that also described indent is configured at least a in groove, inner corner trim, hole, the chamfering.Like this, the variation of indent structure makes things convenient for selecting for use of design and construction unit, helps reducing construction and cost of production.
Feature of the present invention is that also the surface of described body is provided with angle.Like this, when cast-in-situ reinforcing steel bar concrete hollow slab is constructed, angle can position hollow section, make hollow section be in design attitude in the hollowcore slab all the time, the technician can effectively be controlled, for the pouring quality of cast-in-situ reinforcing steel bar concrete hollow slab provides reliable guarantee to hidden members such as hollow sections in the hollowcore slab.
Feature of the present invention is that also the angle of described body is provided with the base plate of disjunctor with it, and the bottom surface of base plate flushes with the bottom surface of hollowcore slab.Like this, when cast-in-situ reinforcing steel bar concrete hollow slab was constructed, the alternative construction formwork of the base plate of disjunctor and do not need to remove can improve speed of application greatly, reduces the comprehensive cost of floor.
Feature of the present invention is that also described base plate exceeds the outside left formation toss of body.Like this, when described hollow section be applied to cast-in-place concrete cored in the time, the alternative construction formwork of base plate and do not need to remove can improve speed of application greatly, reduces the comprehensive cost of floor.
Feature of the present invention is also that described body or matching edge are provided with and is used for the connector that docks with another root hollow section.Like this, when cast-in-situ reinforcing steel bar concrete hollow slab is constructed, can make between hollow section and the hollow section to be connected very easily, help accelerating speed of application.
Feature of the present invention is that also described connector is at least a of wedge mouth, tenon, hole, latch, cutting ferrule, tongue and groove, male and female groove, iron wire or weldment.Like this, make things convenient for the production of production unit, also make things convenient for selecting for use of design and construction unit simultaneously, help reducing construction and cost of production.
Feature of the present invention is that also described body is pipe, polygon pipe or arc angle polygon pipe.Like this, when the cross sectional shape of hollow section is above-mentioned various situation, make hollow section can satisfy the needs of various different actual conditions.
Feature of the present invention is that also the surface of described body is at least a of even surface, corrugated surface, step surface, male and fomale(M﹠F), helicoid or exasperate.Like this, the surface of body is even surface, corrugated surface, step surface, male and fomale(M﹠F), helicoid or exasperate, makes the bonding between hollow section and the Cast-in-place concrete more reliable, situations such as more difficult generation bubble, hollowing, honeycomb.
Feature of the present invention is that also the material of described body is metal, plastics or cement gel ramming material.Like this, can make hollow section satisfy the needs of various different situations, help reducing construction cost.
(4) description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1, is illustrated as the partial sectional view of cast-in-situ reinforcing steel bar concrete hollow slab, can see the structure of hollow section cavity inside.
Fig. 2 is the structural representation of the embodiment of the invention 2.
Fig. 3 is the structural representation of the embodiment of the invention 3.
Fig. 4 is the structural representation of the embodiment of the invention 4.
Fig. 5 is the structural representation of the embodiment of the invention 5.
Fig. 6 is the structural representation of the embodiment of the invention 6.
Fig. 7 is the structural representation of the embodiment of the invention 7.
Fig. 8 is the structural representation of the embodiment of the invention 8, and A-A is the sectional view of hollowcore slab in the diagram, can see the structure of hollow section cavity inside.
Fig. 9 is the structural representation of the embodiment of the invention 9, and B-B is the sectional view of hollowcore slab in the diagram, can see the structure of hollow section cavity inside.
Figure 10 is the structural representation of the embodiment of the invention 10, and C-C is the sectional view of hollowcore slab in the diagram, can see the structure of hollow section cavity inside.
Figure 11 is the structural representation of the embodiment of the invention 11, and D-D is the sectional view of hollowcore slab in the diagram, can see the structure of hollow section cavity inside.
Figure 12 is the structural representation of the embodiment of the invention 12.
Figure 13 is the structural representation of the embodiment of the invention 13, and E-E is the sectional view of hollowcore slab in the diagram, can see the structure of hollow section cavity inside.
Figure 14 is the structural representation of the embodiment of the invention 14.
Figure 15 is the structural representation of the embodiment of the invention 15.
Figure 16 is the structural representation of the embodiment of the invention 16.
Figure 17 is the structural representation of the embodiment of the invention 17.
Figure 18 is the structural representation of the embodiment of the invention 18.
Figure 19 is the structural representation of the embodiment of the invention 19.
Figure 20 is the structural representation of the embodiment of the invention 20.
Figure 21 is the structural representation of the embodiment of the invention 21.
Figure 22 is the structural representation of the embodiment of the invention 22.
Figure 23 is the structural representation of the embodiment of the invention 23.
Figure 24 is the structural representation of the embodiment of the invention 24.
Figure 25 is the structural representation of the embodiment of the invention 25.
Figure 26 is the structural representation of the embodiment of the invention 26.
Figure 27 is the structural representation of the embodiment of the invention 27.
Figure 28 is the structural representation of the embodiment of the invention 28.
Figure 29 is the structural representation of the embodiment of the invention 29.
Figure 30 is the structural representation of the embodiment of the invention 30.
Figure 31 is the structural representation of the embodiment of the invention 31.
Figure 32 is the structural representation of the embodiment of the invention 32.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, comprise steel bar concrete 1, hollow section 2, hollow section 2 is embedded in the steel bar concrete 1, two plugs 3 of hollow section 2 are with the hollow section of body 4 two ends shutoff formation sealing, many hollow section 2 coaxial lines are arranged in groups, it is characterized in that on the described hollow section 2 exterior open cell 5 being arranged, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, Cast-in-place concrete or steel bar concrete 1 enter in the exterior open cell 5, form superimposed transverse stiffener 7 with interior closure plate 6, interior closure plate 6 is or/and have overlapping layers or matching edge 8 on the plug 3.In each accompanying drawing, 1 is steel bar concrete, and 2 is hollow section, and 3 is plug, and 4 is body, and 5 is exterior open cell, and 6 is interior closure plate, and 7 is stiffening rib, and 8 is matching edge, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and many hollow section 2 coaxial lines are arranged in groups, on its described hollow section 2 exterior open cell 5 is arranged, interior closure plate 6 is arranged in the exterior open cell 5, the cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, form superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged.
Feature of the present invention also is to socket between described body 4 and the interior closure plate 6 part 9 and connects, and the termination that sockets part 9 is fixed in body 4 and/or overlapping layers or the matching edge 8.As shown in Figure 2, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 matching edge 8 is arranged, socket part 9 between its described body 4 and the interior closure plate 6 and connect, the termination that sockets part 9 is fixed on body 4.
Feature of the present invention is that also overlapping layers or the matching edge 8 on the described interior closure plate 6 is one with body 4 bindings.As shown in Figure 3, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, and hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, the cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, form superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, it is one that the overlapping layers 8 in it is described on the closure plate 6 links with body 4.
Feature of the present invention is that also the parts 9 that socket in the described interior closure plate 6 stretch into anchoring in the steel bar concrete 1.As shown in Figure 4, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, and hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, the cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, form superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, the part 9 that sockets in it is described in the closure plate 6 stretches into anchoring in the steel bar concrete 1.
Feature of the present invention also is to be provided with reinforce 10 at least one of described body 4, plug 3, interior closure plate 6 or overlapping layers or matching edge 8.As shown in Figure 5, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, be provided with reinforce 10 in its described body 4 and the interior closure plate 6, illustrated reinforce 10 is respectively fleece and gauze wire cloth.
Feature of the present invention also is at least a in the net of fiber, reinforcing bar, steel wire or above-mentioned material or the thin band of described reinforce 10.As shown in Figure 6, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, and hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, the cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, form superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, its described reinforce 10 is thin band.
Feature of the present invention is that also described thin band reinforce 10 is at least a thin band in porose, seam, raw edges, drift bolt, pin, sour jujube head or the convex-concave.As shown in Figure 7, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, and hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, the cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, form superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, its described thin band reinforce 10 is porose thin band.
Feature of the present invention is that also described many hollow sections 2 pipe end adjacent spaces coaxial lines arrange in groups, and the plug 3 of hollow section 2 is parallel on same axis, is rib 12 between the cast-in-situ reinforced concrete end between hollow section 2 pipe ends.As shown in Figure 8, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, its described many hollow sections 2 pipe end adjacent spaces coaxial lines are arranged in groups, and the plug 3 of hollow section 2 is parallel on same axis, is rib 12 between the cast-in-situ reinforced concrete end between hollow section 2 pipe ends.
Feature of the present invention also is the hollow section 2 that described coaxial line is arranged in groups, and the axis between its group and the group is arranged in a parallel, and is cast-in-situ reinforced concrete longitudinal rib 11 between 2 groups of hollow sections and the group.As shown in Figure 9, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, the hollow section 2 that its described coaxial line is arranged in groups, the axis between its group and the group is arranged in a parallel, and is cast-in-situ reinforced concrete longitudinal rib 11 between 2 groups of hollow sections and the group.
Feature of the present invention also is the plug 3 of the different hollow sections of organizing 2 of described adjacent different axis in same plane, and rib 12 is rib layout between elongated end between the Cast-in-place concrete end that forms between pipe end and the pipe end.As shown in Figure 9, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, the plug 3 of the hollow section 2 of the different groups of its described adjacent different axis is in same plane, and rib 12 is rib layout between elongated end between the Cast-in-place concrete end that forms between pipe end and the pipe end, and intersects with longitudinal rib 11.
Feature of the present invention also is the plug 3 of the different hollow sections of organizing 2 of described adjacent different axis not in same plane, the rib 12 corresponding layouts of interlocking that are between the Cast-in-place concrete end that forms between pipe end and the pipe end.As shown in figure 10, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, the plug 3 of the hollow section 2 of the different groups of its described adjacent different axis is not in same plane, and rib 12 is staggered layout between the Cast-in-place concrete end that forms between pipe end and the pipe end.
Feature of the present invention also is the hollow section 2 that described coaxial line is arranged in groups, and the axis between its group and the group is to intersect each other to be arranged, and perhaps is parallel and crossing mixing and arranges.As shown in figure 10, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, the plug 3 of hollow section 2 has with the tube wall all-in-one-piece that joins reinforces the plug matching edge 5 of plug, the hollow section 2 that its described coaxial line is arranged in groups, the axis between its group and the group is arranged in a parallel.
Feature of the present invention is that also described many hollow sections 2 pipe ends arrange in groups near coaxial line, and the plug 3 of hollow section 2 is parallel on same axis.As shown in figure 11, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, its described many hollow sections 2 pipe ends are arranged in groups near coaxial line, and the plug 3 of hollow section 2 is parallel formation plug rib on same axis.
Feature of the present invention also is the hollow section 2 that described coaxial line is arranged in groups, and the axis between its group and the group is arranged in a parallel, and is cast-in-situ reinforced concrete longitudinal rib 11 between 2 groups of hollow sections and the group.As shown in figure 12, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, the hollow section 2 that its described coaxial line is arranged in groups, the axis between its group and the group is arranged in a parallel, and is cast-in-situ reinforced concrete longitudinal rib 11 between 2 groups of hollow sections and the group.
Feature of the present invention also is the plug 3 of the different hollow sections of organizing 2 of described adjacent different axis in same plane, and the plug 3 superimposed formed plug ribs 13 between the pipe end are elongated direction and arrange.As shown in figure 12, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, the plug 3 of the hollow section 2 of the different groups of its described adjacent different axis is in same plane, and the plug 3 superimposed formed plug ribs 13 between the pipe end are elongated direction and arrange.
Feature of the present invention also is the plug 3 of the different hollow sections of organizing 2 of described adjacent different axis not in same plane, the plug 3 superimposed formed plug rib 13 corresponding layouts of interlocking that are between the pipe end.As shown in figure 13, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, the plug 3 of the hollow sections 2 of the different groups of its described adjacent different axis is not in same plane, and the superimposed formed plug rib of plug between the pipe end 3 13 is corresponding to be staggered and to arrange.
Feature of the present invention also is the hollow section 2 that described coaxial line is arranged in groups, and the axis between its group and the group is to intersect each other to be arranged, and perhaps is parallel and crossing mixing and arranges.As shown in figure 13, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, the hollow section 2 that its described coaxial line is arranged in groups, the axis between its group and the group is arranged in a parallel.
The plug 3 that feature of the present invention also is described hollow section 2 with the reinforced-bar concrete beam 14 of hollow edges of boards or/and dark beam 15 or/and body of wall 16 intersect.As shown in figure 14, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, the plug 3 of its described hollow section 2 intersects with the bright beam of hollow edges of boards 14, and is parallel with dark beam 15, body of wall 16.
Feature of the present invention also is exposing in the tube wall that reinforce 10 stretches into back setting and harden body 4 of described prefabricated plug 3, is integral with body 4 setting and hardens.As shown in figure 15, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, exposing in the tube wall that reinforce 10 stretches into back setting and harden body 4 of its described prefabricated plug 3 is integral with body 4 setting and hardens.
Feature of the present invention also be described body 4 and plug 3 reinforce 10 both be anchored in the overlapping layers or matching edge 8 of plug after being connected.As shown in figure 16, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, and hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, the cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, form superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, both are anchored at the reinforce of its described body 4 and plug 3 10 in the plug overlapping layers 8 after being connected.
Feature of the present invention is that also described reinforce 10 exposes outside the hollow section 2 from body 4, plug 3, interior closure plate 6 or overlapping layers or matching edge 8 at least one, and is anchored in the steel bar concrete 1.As shown in figure 17, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, and exterior open cell 5 is arranged on the hollow section 2, and interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, its described reinforce 10 exposes outside the hollow section 2 from plug 3, and is anchored in the steel bar concrete 1.As shown in figure 18, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, and exterior open cell 5 is arranged on the hollow section 2, and interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 matching edge 8 is arranged, its described reinforce 10 exposes from body outside the hollow section 2, and is anchored in the steel bar concrete 1.
Feature of the present invention is that also the reinforce 10 that exposes that exposes reinforce 10 and prefabricated plug 3 of described prefabricated body 4 interconnects, and is anchored in the steel bar concrete 1.As shown in figure 19, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 matching edge 8 is arranged, the reinforce 10 that exposes that exposes reinforce 10 and prefabricated plug 3 of its described prefabricated body 4 interconnects, and is anchored in the steel bar concrete 1.
Feature of the present invention also is to be provided with in the described body 4 at least one stiffener 17.As shown in figure 20, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, and hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, the cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, form superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 matching edge 8 is arranged, be provided with stiffener 17 in its described body 4.
Feature of the present invention is that also described stiffener 17 is stiffening rib, bracing boom, reinforcing rib, adds at least one in wringing.As shown in figure 20, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 matching edge 8 is arranged, be provided with stiffener 17 in the body 4, its described stiffener 17 is respectively stiffening rib and reinforcing rib.
Feature of the present invention is that also described stiffener 17 is whole hollow unit, local hollow unit or fills out core component.As shown in figure 21, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, and exterior open cell 5 is arranged on the hollow section 2, and interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, be provided with stiffener 17 in the body 4, its described stiffener 17 is local hollow rod member.
Feature of the present invention also is to be provided with reinforce 10 in the described stiffener 17, and perhaps reinforce 10 is outside stiffener 17 exposes the body 4 of hollow section, and perhaps stiffener 17 exposes outside the body 4, and is anchored in the steel bar concrete 1.As shown in figure 22, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, and exterior open cell 5 is arranged on the hollow section 2, and interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 matching edge 8 is arranged, be provided with stiffener 17 in the body 4, stiffener 17 is a rod member, is provided with reinforce 10 in its described reinforcing member 17, and reinforce 10 is outside reinforcing member 17 exposes the body 4 of hollow section, stiffener 17 exposes outside the body 4 simultaneously, is anchored in the steel bar concrete 1.
Feature of the present invention is that also the external surface of described body 4 is provided with raised line 18 or boss 19 or the two combination.As shown in figure 23, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, and hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, the cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, form superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 matching edge 8 is arranged, the external surface of its described body 4 is provided with raised line 18 and boss 19.
Feature of the present invention is that also the commissure of the tube wall of described body 4 is formed with a raised line 18 along body 4 axis directions.As shown in figure 24, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, form superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, the commissure of the tube wall of its described body 4 is formed with a raised line 18 along body 4 axis directions.
Feature of the present invention is that also the external surface at least one of described body 4, plug 3 or matching edge 8 is provided with indent structure 20.As shown in figure 25, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, the external surface of its described body 4 is provided with indent structure 20, and illustrated indent structure 20 is respectively chamfering and groove.
Feature of the present invention also is at least a in groove, inner corner trim, hole, the chamfering of described indent structure 20.As shown in figure 26, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, and hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, the cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, form superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, its described indent structure 20 is respectively pit, hole and inner corner trim.
Feature of the present invention is that also the surface of described body 4 is provided with angle 21.As shown in figure 27, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, and hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, the cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, form superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 matching edge 8 is arranged, the surface of its described body 4 is provided with angle 21.
Feature of the present invention is that also the angle 21 of described body 4 is provided with the base plate 21 of disjunctor with it, and the bottom surface of base plate 22 flushes with the bottom surface of hollowcore slab.As shown in figure 28, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, forms superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, the angle 21 of its described body 4 is provided with the base plate 22 of disjunctor with it, and the bottom surface of base plate 22 flushes with the bottom surface of hollowcore slab.
Feature of the present invention is that also described base plate 22 exceeds the outside left formation toss 23 of body 4.As shown in figure 29, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, and hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, the cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, form superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, the outside left that its described base plate 22 exceeds body 4 forms toss 23.
Feature of the present invention is also that described body 4 or matching edge 8 are provided with and is used for the connector 24 that docks with another root hollow section.As shown in figure 30, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, and hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, the cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, form superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, its described body 4 is provided with uses the connector 24 that docks with another root hollow section 2.
Feature of the present invention is that also described connector 23 is at least a of wedge mouth, tenon, hole, latch, cutting ferrule, tongue and groove, male and female groove, iron wire or weldment.As shown in figure 30, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, and hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, the cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, form superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, the connector that its described connector 24 connects for socket joint.
Feature of the present invention is that also described body 4 is pipe, polygon pipe or arc angle polygon pipe.As shown in figure 31, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, and hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, the cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, form superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, its described body 4 is an arc angle polygon pipe.
Feature of the present invention is that also the surface of described body 4 is at least a of even surface, corrugated surface, step surface, male and fomale(M﹠F), helicoid or exasperate.As shown in figure 31, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, and hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, the cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, form superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 overlapping layers 8 is arranged, the surface of its described body 4 is a matsurface.
Feature of the present invention is that also the material of described body 4 is metal, plastics or cement gel ramming material.Shown in figure 32, hollowcore slab comprises steel bar concrete 1 and hollow section 2, plug 3 shutoff bodys 4 two ends, and hollow section 2 is embedded in the steel bar concrete 1, many hollow section 2 coaxial lines are arranged in groups, exterior open cell 5 is arranged on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, the cavity in the interior closure plate 6 shutoff bodys 4, steel bar concrete 1 enters in the exterior open cell 5, form superimposed transverse stiffener 7 with interior closure plate 6, on the interior closure plate 6 matching edge 8 is arranged, the material of its described body 4 is the cement gel ramming material.
During the invention process, make hollow section 2 earlier, there is exterior open cell 5 at plug 3 shutoff bodys 4 two ends on the hollow section 2, interior closure plate 6 is arranged in the exterior open cell 5, and the cavity in the interior closure plate 6 shutoff bodys 4 has overlapping layers or matching edge 8 on the interior closure plate 6; Then, hollowcore slab construction formwork is laid the Cast-in-place concrete rib steel muscle between hollowcore slab lower bottom part reinforcing bar and the hollow section 2, places hollow section 2, re-lays the hollowcore slab upper reinforcement, check errorless after, water concrete, maintenance is to stipulating that the length of time, the demoulding got final product.
Claims (10)
1. cast-in-situ reinforcing steel bar concrete hollow slab, comprise steel bar concrete (1), hollow section (2), hollow section (2) is embedded in the steel bar concrete (1), two plugs (3) of hollow section (2) form the shutoff of body (4) two ends the hollow section of sealing, many hollow sections (2) coaxial line is arranged in groups, it is characterized in that exterior open cell (5) is arranged on the described hollow section (2), interior closure plate (6) is arranged in the exterior open cell (5), cavity in interior closure plate (6) the shutoff body (4), Cast-in-place concrete or steel bar concrete (1) enter in the exterior open cell (5), form superimposed transverse stiffener (7) with interior closure plate (6), interior closure plate (6) is or/and have overlapping layers or matching edge (8) on the plug (3).
2. cast-in-situ reinforcing steel bar concrete hollow slab according to claim 1 is characterized in that socketing between described body (4) and the interior closure plate (6) part (9) and connects, and the termination that sockets part (9) is fixed in body (4) and/or overlapping layers or the matching edge (8).
3. cast-in-situ reinforcing steel bar concrete hollow slab according to claim 1 is characterized in that overlapping layers or the matching edge (8) on the described interior closure plate (6) is one with body (4) binding.
4. cast-in-situ reinforcing steel bar concrete hollow slab according to claim 1 is characterized in that the part (9) that sockets in the described interior closure plate (6) stretches into the interior anchoring of steel bar concrete (1).
5. cast-in-situ reinforcing steel bar concrete hollow slab according to claim 1 is characterized in that being provided with reinforce (10) at least one of described body (4), plug (3), interior closure plate (6) or overlapping layers or matching edge (8).
6. cast-in-situ reinforcing steel bar concrete hollow slab according to claim 5 is characterized in that at least a in the net of fiber, reinforcing bar, steel wire or above-mentioned material or the thin band of described reinforce (10); Perhaps thin band reinforce (10) is at least a thin band in porose, seam, raw edges, drift bolt, pin, sour jujube head or the convex-concave; Perhaps many hollow sections (2) pipe end adjacent spaces coaxial line is arranged in groups, and the plug (3) of hollow section (2) is parallel on same axis, is rib between the cast-in-situ reinforced concrete end (12) between hollow section (2) pipe end; The perhaps hollow section (2) arranged in groups of coaxial line, its group is arranged in a parallel with axis between the group, hollow section (2) group and organize between be cast-in-situ reinforced concrete longitudinal rib (11); The plug (3) of the hollow section (2) of the different groups of perhaps adjacent different axis is in same plane, and rib (12) is rib layout between elongated end between the Cast-in-place concrete end that forms between pipe end and the pipe end; The plug (3) of the hollow sections (2) of the different groups of perhaps adjacent different axis is not in same plane, and rib (12) is corresponding between the Cast-in-place concrete end that forms between pipe end and the pipe end is staggered and arranges; The perhaps hollow section (2) arranged in groups of coaxial line, its group are to intersect with axis between the group each other to be arranged, and perhaps is parallel and crossing mixing arrangement.
7. cast-in-situ reinforcing steel bar concrete hollow slab according to claim 5 is characterized in that described many hollow sections (2) pipe end arranges in groups near coaxial line, and the plug (3) of hollow section (2) is parallel on same axis; The perhaps hollow section (2) arranged in groups of coaxial line, its group is arranged in a parallel with axis between the group, hollow section (2) group and organize between be cast-in-situ reinforced concrete longitudinal rib (11); The plug (3) of the hollow section (2) of the different groups of perhaps adjacent different axis is in same plane, and the superimposed formed plug rib of the plug between the pipe end (3) (13) is elongated direction and arranges; The plug (3) of the hollow sections (2) of the different groups of perhaps adjacent different axis is not in same plane, and the superimposed formed plug rib of the plug between the pipe end (3) (13) is corresponding to be staggered and to arrange; The perhaps hollow section (2) arranged in groups of coaxial line, its group are to intersect with axis between the group each other to be arranged, and perhaps is parallel and crossing mixing arrangement.
8. cast-in-situ reinforcing steel bar concrete hollow slab according to claim 5, the plug (3) that it is characterized in that described hollow section (2) with the reinforced-bar concrete beam (14) of hollow edges of boards or/and dark beam (15) or/and body of wall (16) intersect; Perhaps prefabricated plug (3) expose reinforce (10) stretch into the back setting and harden body (4) tube wall in, be integral with body (4) setting and harden; Perhaps the reinforce (10) of body (4) and plug (3) both be anchored in the overlapping layers or matching edge (8) of plug after being connected; Perhaps reinforce (10) exposes outside the hollow section (2) from body (4), plug (3), interior closure plate (6) or overlapping layers or matching edge (8) at least one, and is anchored in the steel bar concrete (1); The reinforce (10) that exposes that exposes reinforce (10) and prefabricated plug (3) of perhaps prefabricated body (4) interconnects, and is anchored in the steel bar concrete (1).
9. according to the described cast-in-situ reinforcing steel bar concrete hollow slab of arbitrary claim in the claim 1 to 8, it is characterized in that being provided with in the described body (4) at least one stiffener (17); Perhaps stiffener (17) is stiffening rib, bracing boom, reinforcing rib, adds at least one in wringing; Perhaps stiffener (17) is whole hollow unit, local hollow unit or fills out core component; Perhaps be provided with reinforce (10) in the stiffener (17), perhaps reinforce (10) is outside stiffener (17) exposes the body (4) of hollow section, and perhaps stiffener (17) exposes outside the body (4), and is anchored in the steel bar concrete (1); Perhaps the external surface of body (4) is provided with raised line (18) or boss (19) or the two combination; Perhaps the commissure of the tube wall of body (4) is formed with a raised line (18) along body (4) axis direction; Perhaps the external surface at least one of body (4), plug (3) or matching edge (8) is provided with indent structure (20); Perhaps indent structure (20) is at least a in groove, inner corner trim, hole, the chamfering.
10. according to the described cast-in-situ reinforcing steel bar concrete hollow slab of arbitrary claim in the claim 1 to 8, it is characterized in that the surface of described body (4) is provided with angle (21); Perhaps the angle (21) of body (4) is provided with the base plate of disjunctor (22) with it, and the bottom surface of base plate (22) flushes with the bottom surface of hollowcore slab; Perhaps base plate (22) exceeds the outside left formation toss (23) of body (4); Perhaps body (4) or matching edge (8) are provided with and are used for the connector (24) that docks with another root hollow section; Perhaps connector (23) is at least a of wedge mouth, tenon, hole, latch, cutting ferrule, tongue and groove, male and female groove, iron wire or weldment; Perhaps body (4) is pipe, polygon pipe or arc angle polygon pipe; Perhaps the surface of body (4) is at least a of even surface, corrugated surface, step surface, male and fomale(M﹠F), helicoid or exasperate; Perhaps the material of body (4) is metal, plastics or cement gel ramming material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410155428XA CN100537949C (en) | 2004-11-02 | 2004-11-02 | A kind of cast-in-situ reinforcing steel bar concrete hollow slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410155428XA CN100537949C (en) | 2004-11-02 | 2004-11-02 | A kind of cast-in-situ reinforcing steel bar concrete hollow slab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1769615A true CN1769615A (en) | 2006-05-10 |
| CN100537949C CN100537949C (en) | 2009-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410155428XA Expired - Fee Related CN100537949C (en) | 2004-11-02 | 2004-11-02 | A kind of cast-in-situ reinforcing steel bar concrete hollow slab |
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| Country | Link |
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| CN (1) | CN100537949C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738002A (en) * | 2021-08-25 | 2021-12-03 | 廖福琴 | Concrete precast hollow slab |
-
2004
- 2004-11-02 CN CNB200410155428XA patent/CN100537949C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738002A (en) * | 2021-08-25 | 2021-12-03 | 廖福琴 | Concrete precast hollow slab |
| CN113738002B (en) * | 2021-08-25 | 2022-09-30 | 中交(临沂)建筑科技有限公司 | Concrete precast hollow slab |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100537949C (en) | 2009-09-09 |
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