CN1769614A - Cast-in-situ reinforced concrete hollow slab - Google Patents
Cast-in-situ reinforced concrete hollow slab Download PDFInfo
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- CN1769614A CN1769614A CN 200410155426 CN200410155426A CN1769614A CN 1769614 A CN1769614 A CN 1769614A CN 200410155426 CN200410155426 CN 200410155426 CN 200410155426 A CN200410155426 A CN 200410155426A CN 1769614 A CN1769614 A CN 1769614A
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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 pipe end pelvic cavity (5) within overlapping layers (6); the cast-in-place reinforced concrete enters into the pipe end pelvic cavity (5) to form the end gap rib (8) of cast-in-place reinforced concrete. 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, wherein two plugs of hollow section form the hollow section that seals with the shutoff of body two ends, and the many adjacent coaxial lines of hollow section pipe end 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
The object of the present invention is to provide a kind of cast-in-situ reinforcing steel bar concrete hollow slab, have characteristics such as vertical cross stiffness difference is little, 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, wherein two plugs of hollow section form the shutoff of body two ends the hollow section of sealing, the many adjacent coaxial lines of hollow section pipe end are arranged in groups, at least one end plug that it is characterized in that described hollow section sinks to formation pipe end pelvic cavity in the body, superimposed stiffened edge is arranged on the plug of plug and tube wall connecting part, Cast-in-place concrete enters in the pipe end pelvic cavity, has formed rib between the Cast-in-place concrete end jointly.Like this, form the pipe end pelvic cavity in the body cavity because the plug of the hollow section in the hollowcore slab sinks to, Cast-in-place concrete enters in the pipe end pelvic cavity, formed rib between Cast-in-place concrete end horizontal and that plug is compound jointly, thereby the vertical cross stiffness difference of hollowcore slab reduces greatly, and anti-seismic performance improves; Simultaneously, owing on the plug of plug and tube wall connecting part superimposed stiffened edge is arranged, hollow section is in carrying and work progress, be connected firmly between plug 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; 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 is that also the plug of described coaxial line hollow section in groups is parallel on same axis.Like this, can the pass force crossly of hollowcore slab inside effectively be strengthened, the inner two-way power transmission difference of hollowcore slab is reduced in the power transmission of hollowcore slab internal delivery parts transversely, thereby, can increase substantially the comprehensive mechanical property 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.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 hollow sections of the different groups of described adjacent different axis in same plane, and the corresponding rib that is between elongated end of rib is arranged 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 is that also the plug of the hollow sections that described adjacent different axis differences are organized not in same plane, being staggered each other and being provided with, 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 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 to be provided with reinforce at least one of described body, plug or superimposed stiffened edge.Like this, when being provided with reinforce at least one of body, plug, superimposed stiffened edge, the intensity of body, prefabricated plug, superimposed stiffened edge has obtained significantly improving, and can fully satisfy load bearing requirements.
Feature of the present invention is that also the reinforce of described prefabricated plug stretches in the tube wall of back setting and harden body, 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 superimposed stiffened edge after the reinforce of described body and plug is connected.Like this, be anchored in the superimposed stiffened 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 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 reinforce exposes outside the hollow section from body, plug or superimposed stiffened edge at least one, and is anchored in the steel bar concrete.Like this, after hollow section was applied in the hollow cast slab, the reinforce and the Cast-in-place concrete that expose in hollow body or the plug combined, and can improve the overall performance of cast-in-situ reinforced 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 reinforced concrete hollow slab, reinforce and Cast-in-place concrete that hollow body exposes combined, and can improve the overall performance of cast-in-situ reinforced concrete hollow slab greatly.
Feature of the present invention also is to have at least one breach on the wall of described pipe end pelvic cavity.Like this, after having at least one breach on the wall of pipe end pelvic cavity, made things convenient for shaft-like reinforce to imbed in the pipe end pelvic cavity, help manufacturing, improve the production efficiency of hollow pipe for filling concrete, help reducing production costs, simultaneously, when also being convenient to hollow section and being used in superstructure, Cast-in-place concrete enters in the pelvic cavity, with Cast-in-place concrete build-in well.
Feature of the present invention is that also described superimposed stiffened edge is the stiffened edge of mortar or concrete.Like this, superimposed stiffened edge adopts mortar or the superimposed stiffened edge of concrete to make, and can fully satisfy the application demand under the various different situations, simultaneously, by to rationally the selecting for use of material, helps saving cost, reduces the product cost.
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 the inner stress system of hollow cast slab 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, after hollow section is applied in the hollow cast slab, 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 superimposed stiffened 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 or 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 was applied in the hollow cast slab, 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 superimposed stiffened 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.
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.
Fig. 9 is the structural representation of the embodiment of the invention 9.
Figure 10 is the structural representation of the embodiment of the invention 10.
Figure 11 is the structural representation of the embodiment of the invention 11.
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.
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.
(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, wherein two plugs 3 of hollow section 2 are with the hollow section of body 4 two ends shutoff formation sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, it is characterized in that at least one end plug 3 of described hollow section 2 sinks to formation pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 are arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly.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 the pipe end pelvic cavity, and 6 is superimposed stiffened edge, and 7 is rib between the Cast-in-place concrete end, 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, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the plug 3 of its described hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly.
Feature of the present invention is that also the plug 3 of described coaxial line hollow section 2 in groups is parallel on same axis.As shown in Figure 2, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly, and the plug 3 of its described coaxial line hollow section 2 in groups is parallel 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 8 between 2 groups of hollow sections and the group.As shown in Figure 3, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 7 between the Cast-in-place concrete end jointly, 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 8 between 2 groups of hollow sections and the group.
Feature of the present invention also is the plug 3 of hollow sections 2 of the different groups of described adjacent different axis in same plane, and the corresponding rib that is between elongated end of rib 7 is arranged between the Cast-in-place concrete end that forms between pipe end and the pipe end.As shown in Figure 3, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 7 between the Cast-in-place concrete end jointly, its described adjacent not on the same group plug 3 of hollow section 2 is in same plane, and the corresponding rib that is between elongated end of rib 7 is arranged between the Cast-in-place concrete end that forms between pipe end and the pipe end.
Feature of the present invention is that also the plug 3 of the hollow sections 2 that described adjacent different axis differences are organized not in same plane, being staggered each other and being provided with, the rib 7 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 4, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 7 between the Cast-in-place concrete end jointly, its described adjacent not on the same group plug 3 of hollow section 2 is not in same plane, and rib 7 is corresponding between the Cast-in-place concrete end that forms between pipe end and the pipe end is staggered and arranges.
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 4, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 7 between the Cast-in-place concrete end jointly, 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 9 of hollow edges of boards or/and dark beam 10 or/and body of wall 11 intersect.As shown in Figure 5, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 7 between the Cast-in-place concrete end jointly, the plug 3 of its described hollow section 2 intersects with the bright beam of hollow edges of boards 9, and is parallel with dark beam 10, body of wall 11.
Feature of the present invention also is to be provided with reinforce 12 at least one of described body 4, plug 3 or superimposed stiffened edge 6.As shown in Figure 6, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly, be provided with reinforce 12 in its described superimposed stiffened edge 6, diagram reinforce 12 is a reinforcing bar.
Feature of the present invention is that also the reinforce 12 of described prefabricated plug 3 stretches in the tube wall of back setting and harden body 4, is integral with body 4 setting and hardens.As shown in Figure 7, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 7 between the Cast-in-place concrete end jointly, the reinforce 12 of its described prefabricated plug 3 stretches in the tube wall of back setting and harden body 4, is integral with body 4 setting and hardens.
Feature of the present invention also be described body 4 and plug 3 reinforce 12 both be anchored in the superimposed stiffened edge 6 after being connected.As shown in Figure 8, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 7 between the Cast-in-place concrete end jointly, both are anchored at the reinforce of its described body 4 and plug 3 12 in the superimposed stiffened edge 6 after being connected.
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 12.As shown in Figure 9, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly, and its described reinforce 12 is a fleece.
Feature of the present invention is that also described thin band reinforce 12 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 10, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly, and its described thin band reinforce 12 is a sour jujube reinforce.
Feature of the present invention is that also described reinforce 12 exposes outside the hollow section 2 from body 4, plug 3 or superimposed stiffened edge 6 at least one, and is anchored in the steel bar concrete 1.As shown in figure 11, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 7 between the Cast-in-place concrete end jointly, its described reinforce 12 exposes outside the hollow section 2 from body 4, and is anchored in the steel bar concrete 1.
Feature of the present invention is that also the reinforce 12 that exposes that exposes reinforce 12 and prefabricated plug 3 of described prefabricated body 4 interconnects, and is anchored in the steel bar concrete 1.As shown in figure 12, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 7 between the Cast-in-place concrete end jointly, the reinforce 12 that exposes that exposes reinforce 12 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 have at least one breach 13 on the wall of described pipe end pelvic cavity 5.As shown in figure 13, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly, has breach 13 on the wall of its described pipe end pelvic cavity 5.
Feature of the present invention also is the stiffened edge of described superimposed stiffened edge 6 for mortar or concrete.As shown in figure 13, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly, and its described superimposed stiffened edge 6 is the stiffened edge of mortar.
Feature of the present invention also is to be provided with in the described body 4 at least one stiffener 14.As shown in figure 14, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly, is provided with stiffener 14 in its described body 4.
Feature of the present invention is that also described stiffener 14 is stiffening rib, bracing boom, reinforcing rib, adds at least one in wringing.As shown in figure 14, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 7 between the Cast-in-place concrete end jointly, be provided with stiffener 14 in the body 4, its described stiffener 14 is respectively stiffening rib, bracing boom and reinforcing rib.
Feature of the present invention is that also described stiffener 14 is whole hollow unit, local hollow unit or fills out core component.As shown in figure 15, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 7 between the Cast-in-place concrete end jointly, be provided with stiffener 14 in the body 4, stiffener 14 is a bracing boom, and its described stiffener 14 is respectively whole hollow and local hollow bracing boom.
Feature of the present invention also is to be provided with reinforce 12 in the described stiffener 14, and perhaps reinforce 12 is outside stiffener 14 exposes the body 4 of hollow section, and perhaps stiffener 14 exposes outside the body 4, and is anchored in the steel bar concrete 1.As shown in figure 16, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 7 between the Cast-in-place concrete end jointly, be provided with stiffener 14 in the body 4, stiffener 14 is a stiffening rib, is provided with reinforce 12 in its described stiffening rib.
Feature of the present invention is that also the external surface of described body 4 is provided with raised line 15 or boss 16 or the two combination.As shown in figure 17, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly, and the external surface of its described body 4 is provided with raised line 15 and boss 16.
Feature of the present invention is that also the commissure of the tube wall of described body 4 is formed with a raised line 15 along body 4 axis directions.As shown in figure 18, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 7 between the Cast-in-place concrete end jointly, the commissure of the tube wall of its described body 4 is formed with a raised line 15 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 superimposed stiffened edge 6 is provided with indent structure 17.As shown in figure 19, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly, and the external surface of its described body 4 is provided with indent structure 17.
Feature of the present invention also is at least a in groove, inner corner trim, hole or the chamfering of described indent structure 17.As shown in figure 20, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly, and its described indent structure 17 is respectively groove and hole.As shown in figure 21, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly, and its described indent structure 17 is respectively inner corner trim and chamfering.
Feature of the present invention is that also the surface of described body 4 is provided with angle 18.As shown in figure 22, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly, and the surface of its described body 4 is provided with angle 18.
Feature of the present invention is that also the angle 18 of described body 4 is provided with the base plate 19 of disjunctor with it, and the bottom surface of base plate 19 flushes with the bottom surface of hollowcore slab.As shown in figure 23, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 7 between the Cast-in-place concrete end jointly, the angle 18 of its described body 4 is provided with the base plate 19 of disjunctor with it, and the bottom surface of base plate 19 flushes with the bottom surface of hollowcore slab.
Feature of the present invention is that also described base plate 19 exceeds the outside left formation toss 20 of body 4.As shown in figure 24, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly, and the outside left that its described base plate 19 exceeds body 4 forms toss 20.
Feature of the present invention is also that described body 4 or superimposed stiffened edge 6 are provided with and is used for the connector 21 that docks with another root hollow section.As shown in figure 25, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly, and its described body 4 is provided with uses the connector 21 that docks with another root hollow section 2.
Feature of the present invention is that also described connector 21 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 26, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly, the connector that its described connector 21 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 27, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly, and 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 28, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly, and 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.As shown in figure 29, hollowcore slab comprises steel bar concrete 1 and hollow section 2, two plugs, 3 shutoff bodys, 4 two ends, hollow section 2 is embedded in the steel bar concrete 1, and the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 7 between the Cast-in-place concrete end jointly, and the material of its described body 4 is the cement gel ramming material.
During the invention process, make hollow section 2 earlier, the plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, on the plug 3 of plug 3 and tube wall connecting part superimposed stiffened edge 6 is arranged; 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), wherein two plugs (3) of hollow section (2) form the shutoff of body (4) two ends the hollow section of sealing, the adjacent coaxial line of many hollow sections (2) pipe end is arranged in groups, at least one end plug (3) that it is characterized in that described hollow section (2) sinks to formation pipe end pelvic cavity (5) in the body (4), on the plug (3) of plug (3) and tube wall connecting part superimposed stiffened edge (6) is arranged, Cast-in-place concrete enters in the pipe end pelvic cavity (5), has formed rib between the Cast-in-place concrete end (7) jointly.
2. cast-in-situ reinforcing steel bar concrete hollow slab according to claim 1 is characterized in that the plug (3) of described coaxial line hollow section (2) in groups is parallel on same axis.
3. cast-in-situ reinforcing steel bar concrete hollow slab according to claim 1 is characterized in that 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 (8) between hollow section (2) group and the group; The plug (3) of the hollow sections (2) of the different groups of perhaps adjacent different axis is in same plane, and the corresponding rib that is between elongated end of rib (7) is arranged 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 perhaps adjacent different axis difference groups being staggered each other and being provided with not in same plane, the corresponding layout of interlocking that is of rib (7) between the Cast-in-place concrete end that forms between pipe end and the pipe end; 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; Perhaps the reinforced-bar concrete beam (9) of the plug (3) of hollow section (2) and hollow edges of boards or/and dark beam (10) or/and body of wall (11) intersect.
4. cast-in-situ reinforcing steel bar concrete hollow slab according to claim 1 is characterized in that being provided with reinforce (12) at least one of described body (4), plug (3) or superimposed stiffened edge (6); The reinforce (12) of perhaps prefabricated plug (3) stretches in the tube wall of back setting and harden body (4), is integral with body (4) setting and harden; Perhaps the reinforce (12) of body (4) and plug (3) both be anchored in the superimposed stiffened edge (6) after being connected; Perhaps reinforce (12) is at least a in the net of fiber, reinforcing bar, steel wire or above-mentioned material or the thin band; Perhaps thin band reinforce (12) is at least a thin band in porose, seam, raw edges, drift bolt, pin, sour jujube head or the convex-concave; Perhaps reinforce (12) exposes outside the hollow section (2) from body (4), plug (3) or superimposed stiffened edge (6) at least one, and is anchored in the steel bar concrete (1); The reinforce (12) that exposes that exposes reinforce (12) and prefabricated plug (3) of perhaps prefabricated body (4) interconnects, and is anchored in the steel bar concrete (1).
5. cast-in-situ reinforcing steel bar concrete hollow slab according to claim 1 is characterized in that having at least one breach (13) on the wall of described pipe end pelvic cavity (5); Perhaps superimposed stiffened edge (6) is the stiffened edge of mortar or concrete.
6. according to the described cast-in-situ reinforcing steel bar concrete hollow slab of arbitrary claim in the claim 1 to 5, it is characterized in that being provided with in the described body (4) at least one stiffener (14); Perhaps stiffener (14) is stiffening rib, bracing boom, reinforcing rib, adds at least one in wringing; Perhaps stiffener (14) is whole hollow unit, local hollow unit or fills out core component; Perhaps be provided with reinforce (12) in the stiffener (14), perhaps reinforce (12) is outside stiffener (14) exposes the body (4) of hollow section, and perhaps stiffener (14) exposes outside the body (4), and is anchored in the steel bar concrete (1).
7. according to the described cast-in-situ reinforcing steel bar concrete hollow slab of arbitrary claim in the claim 1 to 5, it is characterized in that the external surface of described body (4) is provided with raised line (15) or boss (16) or the two combination; Perhaps the commissure of the tube wall of body (4) is formed with a raised line (15) along body (4) axis direction; Perhaps the external surface at least one of body (4), plug (3) or superimposed stiffened edge (6) is provided with indent structure (17); Perhaps indent structure (17) is at least a in groove, inner corner trim, hole or the chamfering.
8. according to the described cast-in-situ reinforcing steel bar concrete hollow slab of arbitrary claim in the claim 1 to 5, it is characterized in that the surface of described body (4) is provided with angle (18); Perhaps the angle (18) of body (4) is provided with the base plate of disjunctor (19) with it, and the bottom surface of base plate (19) flushes with the bottom surface of hollowcore slab; Perhaps base plate (19) exceeds the outside left formation toss (20) of body (4).
9. according to the described cast-in-situ reinforcing steel bar concrete hollow slab of arbitrary claim in the claim 1 to 5, it is characterized in that described body (4) or superimposed stiffened edge (6) are provided with and be used for the connector (21) that docks with another root hollow section; Perhaps connector (21) is at least a of wedge mouth, tenon, hole, latch, cutting ferrule, tongue and groove, male and female groove, iron wire or weldment.
10. according to the described cast-in-situ reinforcing steel bar concrete hollow slab of arbitrary claim in the claim 1 to 5, it is characterized in that described 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 |
|---|---|---|---|
| CNB2004101554260A CN100537948C (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 |
|---|---|---|---|
| CNB2004101554260A CN100537948C (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 |
|---|---|
| CN1769614A true CN1769614A (en) | 2006-05-10 |
| CN100537948C CN100537948C (en) | 2009-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004101554260A Expired - Fee Related CN100537948C (en) | 2004-11-02 | 2004-11-02 | A kind of cast-in-situ reinforcing steel bar concrete hollow slab |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432240A (en) * | 2011-09-26 | 2012-05-02 | 苏州金楠新能源墙体工程有限公司 | Environmentally friendly wallboard material and environmentally friendly shock-resistant wall containing the environmentally friendly wallboard material |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164844C (en) * | 2001-12-10 | 2004-09-01 | 邱则有 | Tubular, hollow and steel bar reinforced concrete floor member |
| CN1191417C (en) * | 2002-10-05 | 2005-03-02 | 邱则有 | Thin-wall tube for hollowing out concrete |
| CN1258628C (en) * | 2003-02-26 | 2006-06-07 | 邱则有 | Cast-in-situ reinforced concrete hollow storey top |
| CN2603150Y (en) * | 2003-03-31 | 2004-02-11 | 邱则有 | Hard thin wall pipe for in situ pouring reinforced concrete |
-
2004
- 2004-11-02 CN CNB2004101554260A patent/CN100537948C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432240A (en) * | 2011-09-26 | 2012-05-02 | 苏州金楠新能源墙体工程有限公司 | Environmentally friendly wallboard material and environmentally friendly shock-resistant wall containing the environmentally friendly wallboard material |
| CN102432240B (en) * | 2011-09-26 | 2013-08-28 | 苏州金楠新能源墙体工程有限公司 | Environmentally friendly wallboard material and environmentally friendly shock-resistant wall containing the environmentally friendly wallboard material |
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| Publication number | Publication date |
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| CN100537948C (en) | 2009-09-09 |
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