(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, 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, and Cast-in-place concrete enters in the pipe end pelvic cavity, has formed rib between the Cast-in-place concrete end jointly.Like this, because the plug of the hollow section in the hollowcore slab sinks to and forms the pipe end pelvic cavity in the body cavity, 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, anti-seismic performance improves, simultaneously, hollowcore slab also has the intensity height, resistance to deformation, anti-vibration, easy construction, characteristics such as cost is low, be applicable to the hollow building cover of cast-in-situ reinforced concrete or prestressed reinforced concrete, roof system, sole plate, body of wall and hollow bridges 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.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 in described body, the plug.Like this, be provided with reinforce in body, the plug, 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 fiber or reinforcing bar or steel wire or fleece or steel mesh reinforcement or gauze wire cloth 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 is at least a thin band in porose, seam, raw edges, 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 or plug 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 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 exposing in the tube wall that reinforce stretches into setting and harden body not of 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 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 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 overlapping layers 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 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 is 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.
(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 body 4 two ends shutoff, form the hollow section of 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, Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 6 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 rib between the Cast-in-place concrete end, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the two ends plug 3 of its described hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, and Cast-in-place concrete enters in the pipe end pelvic cavity 5, has formed rib 6 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.As shown in Figure 1, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, and Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, the plug 3 of its described coaxial line hollow section 2 in groups is parallel.
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 7 between 2 groups of hollow sections and the group.As shown in Figure 1, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, the hollow section 2 that its described coaxial line is arranged in groups, axis between its group and the group is arranged in a parallel, and is cast-in-situ reinforced concrete longitudinal rib 7 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 6 is arranged between the Cast-in-place concrete end that forms between pipe end and the pipe end.As shown in Figure 1, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, the plug 3 of the hollow sections 2 of the different groups of its described adjacent different axis is in same plane, and the corresponding rib that is between elongated end of rib 6 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 6 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 2, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, the plug 3 of the hollow section 2 of the different groups of its described adjacent different axis is not in same plane, be staggered each other and be provided with, the rib 6 corresponding layouts of interlocking that are 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 2, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 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 8 of hollow edges of boards or/and dark beam 9 or/and body of wall 10 intersect.As shown in Figure 3, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, and Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, the plug 3 of its described hollow section 2 intersects with the reinforced-bar concrete beam of hollow edges of boards 8.As shown in Figure 4, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, and Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, the plug 3 of its described hollow section 2 intersects with the dark beam 9 of the steel bar concrete of hollow edges of boards.As shown in Figure 5, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, and Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, the plug 3 of its described hollow section 2 intersects with the steel bar concrete body of wall of hollow edges of boards 10.
Feature of the present invention also is to be provided with reinforce 11 in described body 4, the plug 3.Fig. 6 is the structural representation of the embodiment of the invention 6, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, and Cast-in-place concrete enters in the pipe end pelvic cavity 5, form rib 6 between the Cast-in-place concrete end jointly, be provided with reinforce 11 in its described body 4, the plug 3.
Feature of the present invention also is at least a in fiber or reinforcing bar or steel wire or fleece or steel mesh reinforcement or gauze wire cloth or the thin band of described reinforce 11.Fig. 7 is the structural representation of the embodiment of the invention 7, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, be provided with reinforce 11 in body 4, the plug 3, reinforce 11 in its described body 4 is thin band, and the reinforce 11 in the plug 3 is a reinforcing bar.
Feature of the present invention is that also described thin band is at least a thin band in porose, seam, raw edges, sour jujube head or the convex-concave.As shown in Figure 7, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, be provided with reinforce 11 in body 4, the plug 3, reinforce 11 in the body 4 is thin band, and the reinforce 11 in the plug 3 is a reinforcing bar, and its described thin band reinforce 11 is for there being the thin band of sour jujube head.
Feature of the present invention is that also described reinforce 11 exposes outside the hollow section 2 from body 4 or plug 3 at least one, and is anchored in the steel bar concrete 1.Fig. 8 is the structural representation of the embodiment of the invention 8, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, its described reinforce 11 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 11 that exposes that exposes reinforce 11 and prefabricated plug 3 of prefabricated body 4 interconnects, and is anchored in the steel bar concrete 1.Fig. 9 is the structural representation of the embodiment of the invention 9, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, the reinforce 11 that exposes that exposes reinforce 11 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 exposing in the tube wall that reinforce 11 stretches into setting and harden body 4 not of prefabricated plug 3, is integral with body 4 setting and hardens.Figure 10 is the structural representation of the embodiment of the invention 10, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, exposing in the tube wall that reinforce 11 stretches into setting and harden body 4 not of its described prefabricated plug 3 is integral with body 4 setting and hardens.
Feature of the present invention also is to have at least one breach 12 on the wall of described pipe end pelvic cavity 5.Figure 11 is the structural representation of the embodiment of the invention 11, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, and Cast-in-place concrete enters in the pipe end pelvic cavity 5, form rib 6 between the Cast-in-place concrete end jointly, had a plurality of breach 12 on the wall of its described pipe end pelvic cavity 5.
Feature of the present invention also is to be provided with in the described body 4 at least one stiffener 13.As shown in figure 11, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, and Cast-in-place concrete enters in the pipe end pelvic cavity 5, form rib 6 between the Cast-in-place concrete end jointly, be provided with stiffener 13 in its described body 4.
Feature of the present invention is that also described stiffener 13 is stiffening rib, bracing boom, reinforcing rib, adds at least one in wringing.Figure 12 is the structural representation of the embodiment of the invention 12, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, be provided with stiffener 13 in the body 4, its described stiffener 13 is respectively stiffening rib and bracing boom.
Feature of the present invention is that also described stiffener 13 is whole hollow unit, local hollow unit or fills out core component.As shown in figure 12, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, and Cast-in-place concrete enters at least one stiffener 13 of pipe, stiffener 13 is stiffening rib and bracing boom, and the floor of putting more energy in its described stiffener 13 is local hollow unit.
Feature of the present invention also is to be provided with reinforce 11 in the described stiffener 13, and perhaps reinforce 11 is outside stiffener 13 exposes the body 4 of hollow section, and perhaps stiffener 13 exposes outside the body 4, and is anchored in the steel bar concrete 1.As shown in figure 12, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, Cast-in-place concrete enters at least one stiffener 13 of pipe, stiffener 13 is stiffening rib and bracing boom, be provided with reinforce 11 in its described stiffener 13, reinforce 11 is outside stiffener 13 exposes the body 4 of hollow section, and stiffener 13 exposes outside the body 4, and be anchored in the steel bar concrete 1, diagram reinforce 11 is a reinforcing bar.
Feature of the present invention is that also the external surface of described body 4 is provided with raised line 14 or boss 15 or the two combination.Figure 13 is the structural representation of the embodiment of the invention 13, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, and Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, the external surface of its described body 4 is provided with raised line 14 and boss 15.
Feature of the present invention is that also the commissure of the tube wall of described body 4 is formed with a raised line 14 along body 4 axis directions.Figure 14 is the structural representation of the embodiment of the invention 14, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, and Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 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 14 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 overlapping layers 6 is provided with indent structure 16.Figure 15 is the structural representation of the embodiment of the invention 15, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, and Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, the external surface of its described body 4 is provided with indent structure 16.
Feature of the present invention also is at least a in groove, inner corner trim, hole, the chamfering of described indent structure 16.As shown in figure 15, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, and Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, its described indent structure 16 is a groove.
Feature of the present invention is that also the surface of described body 4 is provided with angle 17.Figure 16 is the structural representation of the embodiment of the invention 16, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, and Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, the surface of its described body 4 is provided with angle 17.
Feature of the present invention is that also the angle 17 of described body 4 is provided with the base plate 18 of disjunctor with it, and the bottom surface of base plate 18 flushes with the bottom surface of hollowcore slab.Figure 17 is the structural representation of the embodiment of the invention 17, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, the surface of body 4 is provided with angle 17, its described angle 17 is provided with the base plate 18 of disjunctor with it, and the bottom surface of base plate 18 flushes with the bottom surface of hollowcore slab.
Feature of the present invention is that also described base plate 18 exceeds the outside left formation toss 19 of body 4.Figure 18 is the structural representation of the embodiment of the invention 18, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, the surface of body 4 is provided with angle 17, angle 17 is provided with the base plate 18 of disjunctor with it, and the bottom surface of base plate 18 flushes with the bottom surface of hollowcore slab, and the outside left that its described base plate 18 exceeds body 4 forms toss 19.
Feature of the present invention is also that described body 4 is provided with and is used for the connector 20 that docks with another root hollow section.Figure 19 is the structural representation of the embodiment of the invention 19, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, and Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, its described plug 3 is provided with and is used for the connector 20 that docks with another root hollow section.
Feature of the present invention is that also described connector 20 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 19, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, plug 3 is provided with and is used for the connector 20 that docks with another root hollow section, and its described connector 20 is the combination of hole and rod member.
Feature of the present invention is that also described body 4 is pipe, polygon pipe or arc angle polygon pipe.Figure 20 is the structural representation of the embodiment of the invention 20, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, and Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, its described body 4 is a box section.
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 20, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, and Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, 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 20, hollow section 2 is embedded in the steel bar concrete 1, wherein two plugs 3 of hollow section 2 are with body 4 two ends shutoff, form the hollow section of sealing, the many adjacent coaxial lines of hollow section 2 pipe ends are arranged in groups, and the two ends plug 3 of hollow section 2 sinks to and forms pipe end pelvic cavity 5 in the body 4, and Cast-in-place concrete enters in the pipe end pelvic cavity 5, formed rib 6 between the Cast-in-place concrete end jointly, 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; 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.