CN100535279C - Hollow floor cover of in-situ deposited steel bar reinforced concrete - Google Patents
Hollow floor cover of in-situ deposited steel bar reinforced concrete Download PDFInfo
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- CN100535279C CN100535279C CNB2006101004522A CN200610100452A CN100535279C CN 100535279 C CN100535279 C CN 100535279C CN B2006101004522 A CNB2006101004522 A CN B2006101004522A CN 200610100452 A CN200610100452 A CN 200610100452A CN 100535279 C CN100535279 C CN 100535279C
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- plug
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- steel bar
- stiffening rib
- hollow
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 title claims description 55
- 239000010959 steel Substances 0.000 title claims description 55
- 238000011065 in-situ storage Methods 0.000 title claims description 30
- 239000004567 concrete Substances 0.000 claims abstract description 81
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000003351 stiffener Substances 0.000 claims abstract description 10
- 239000004744 fabric Substances 0.000 claims description 28
- 239000000945 filler Substances 0.000 claims description 25
- 230000003014 reinforcing effect Effects 0.000 claims description 22
- 239000000835 fiber Substances 0.000 claims description 15
- 239000004570 mortar (masonry) Substances 0.000 claims description 15
- 239000011083 cement mortar Substances 0.000 claims description 10
- 239000004568 cement Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- -1 fleece Substances 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000002986 polymer concrete Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000010451 perlite Substances 0.000 description 3
- 235000019362 perlite Nutrition 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 102000045246 noggin Human genes 0.000 description 2
- 108700007229 noggin Proteins 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011449 brick Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Reinforcement Elements For Buildings (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A cast-in site reinforced concrete hollow floor cover, comprising reinforced concrete (1), hollow pipe (2) buried in reinforced concrete (1), sealing plug (3) at two ends of hollow pipe (2) and sealing cavity for hollow pipe (2), characterized in that a rib stiffener (5) is set in cavity at least, in a plug (3) or a rib stiffener (5) at least or among them at least a lightweight core (6) is clipped, Concrete is set in distance on plug or core of pipe end at the same axis, and end rib of lightweight core is formed. It is applied in cast-in site reinforced concrete hollow floor cover, roof, wall and so on.
Description
The application for the applying date be that February 26, application number in 2002 are 200610008750.9, name is called the dividing an application of application for a patent for invention of " a kind of steel bar reinforced hollow concrete roof cast-in-situs ".
(1) technical field
The present invention relates to a kind of steel bar reinforced hollow concrete roof cast-in-situs.
(2) prior art
At present, the most of precast hollow slab that adopts of the building of brick mix structure and frame construction is as floor structure, and this floor structure has advantages such as speed of application is fast, cost is low.But, only use the cement mortar joint filling, thereby globality is poor, is unfavorable for antidetonation, and phenomenons such as slit cracking, infiltration often occur owing to firmly do not link between adjacent two precast hollow slabs.For addressing the above problem, a lot of building have adopted the method for Cast-in-place Concrete Building Floor (solid, hollow), have solved problems such as antidetonation, cracking, infiltration preferably, but this class floor construction relative difficult, and cost is higher relatively.Along with Building technology and expanding economy, the quality of building to be had higher requirement, most Cast-in-place Concrete Building Floor has all adopted the cast-in-situ concrete hollow floor technology.And the one-tenth pole in the cast-in-situ hollow building roof is permanent core, as paper tube, plastic pipe, metal bellows, core light material, horniness thin-walled tube etc.These tubular core molds or member are mainly considered the concrete of finding time, and alleviate superstructure weight.It as the patent No. 99232921.3 cast-in-place reinforced concrete filling thin wall cylinder, it is made up of horniness thin-walled tube and two ends plug, two plugs form an enclosed cavity with the horniness thin-walled tube closed at both ends, and the cross section of horniness thin-walled tube and plug shape can be circle, square, trapezoidal or other is special-shaped.During application, this hollow section is embedded in the steel bar concrete, promptly forms cast-in-situ concrete hollow floor.And for example the patent No. of applicant's application is that ZL99232922.1, name are called " thin-wall hollow roof in-situ deposited with concrete ", it is made up of steel bar concrete and thin wall cylinder noggin piece; the thin wall cylinder noggin piece is embedded in the steel bar concrete; described thin-wall tube member is made up of horniness thin-walled tube and plug, and two plugs form an enclosed cavity with the horniness thin-walled tube closed at both ends.This class steel bar reinforced hollow concrete roof cast-in-situs, because its tubulose concrete of filling the hollow section position of usefulness is found time, along pipe the Cast-in-place concrete rib arranged vertically, and seal as the power transmission rib along two plugs that laterally only depend on of pipe, can't bear the effect of complicated pulling force, pressure, shearing, moment of torsion etc., thereby have deficiencies such as bidirectional stress power transmission difference is big, poor mechanical property, shock resistance is poor, two-way stiffness difference is big, therefore, develop a kind of novel steel bar reinforced hollow concrete roof cast-in-situs for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of steel bar reinforced hollow concrete roof cast-in-situs, have characteristics such as bidirectional stress power transmission difference is little, the shearing resistance torsional property is strong, resistance to deformation is big, 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, the plug that seals at the two ends of hollow section seals into sealed hollow with hollow section, it is characterized in that in cavity, being provided with a slice stiffening rib at least, at a slice plug at least or at least in a slice stiffening rib or accompany at least one light-weight filler in both, sealing of hollow section has the cast-in-situ reinforced concrete rib between the plug.Like this, plug or stiffening rib have just become the plug of sandwich or the stiffening rib of sandwich, and plug or stiffening rib certainly will be relatively large dimensionally when making, and therefore, plug contains solid more firm, and breakage rate is little; And the stiffening rib load-carrying surface increases, radius-thickness ratio reduces, more be difficult for unstability when pressing torsion effect, thereby the intensity of hollow section and rigidity will improve greatly, in superstructure, plug in the hollow section or stiffening rib laterally can participate in power transmission and stressed, thereby the bidirectional stress power transmission difference of superstructure is little, the shearing resistance torsional property is strong, resistance to deformation is big, shock resistance is good, thereby have reached purpose of the present invention.
Feature of the present invention also be the light-weight filler in plug or the stiffening rib be more than two alternately, be dark reinforcing rib each other, constitute the plug or the stiffening rib of the load bearing frame of the dark reinforcing rib of different shape.Like this, the dark reinforcing rib between the light-weight filler can constitute the truss force structure each other, plug or stiffening rib not only the intensity height, rigidity is big but also in light weight, the intensity of corresponding superstructure is also high, rigidity is also big.
Feature of the present invention also be to have in plug or the stiffening rib run through light-weight filler and be anchored in plug or stiffening rib in tension rib.Like this, the bonding between plug in the hollow section in the superstructure or stiffening rib and the light-weight filler that accompanies is more firm, and globality is better, and the globality of corresponding superstructure is higher.
Feature of the present invention also is in plug or stiffening rib or both reinforce is arranged, reinforce is at least one in reinforcing bar, steel mesh reinforcement, steel wire, gauze wire cloth, pressure hole steel plate, band steel, fiber, fleece, cloth, braid over braid, strap or the metal foil band, has perhaps exposed outside reinforce and Cast-in-place concrete is bonded to integral body at hollow section simultaneously.Like this, because reinforce is arranged, thereby the intensity of hollow section, rigidity further improves, and simultaneously, hollow section is outer if there is reinforce to expose, then and the bonding between the Cast-in-place concrete more firm, the globality of corresponding superstructure is higher, mechanical property is better.
Feature of the present invention is that also plug or stiffening rib or both partly or entirely protrude outside the hollow section.Like this, plug or stiffening rib stretch into and embedding is extruded in the Cast-in-place concrete, thereby the superstructure globality improves greatly, and be stressed better with performance power transmission.
Feature of the present invention is that also plug or stiffening rib or both sides have stiffener, and stiffener is sheet metal, carbon fiber, braid over braid or the strap of reinforcing rib, bonding.Like this, intensity, the rigidity of plug or stiffening rib are higher, and the stressed and transmission force property of corresponding superstructure is better.
Feature of the present invention is that also plug or stiffening rib or both are the template of Cast-in-place concrete moulding in being used to manage, template and body are prefabricated into one, constitute the empty die cavity of cast-in-situ concrete forming, on the body of empty die cavity, have the hole, pour into concrete or steel bar concrete from the hole, with superimposed plug or the stiffening rib of the common formation of two templates.Like this, pour into concrete by the hole in die cavity, constitute superimposed plug and stiffening rib and Cast-in-place concrete and form integral body, the globality of corresponding superstructure is better, and is stressed better with transmission force property.
Feature of the present invention is that also the sealing two ends plug of hollow section is two stiffening ribs, and perhaps an end is a stiffening rib, and the other end is for sealing plug.Like this, sealing plug can be identical or different with stiffening rib, has made things convenient for selecting for use of superstructure design and construction, helps reducing the construction cost of superstructure.
Feature of the present invention is that also hollow section changes along its radial dimension of pipe direction of axis line, constitutes the distortion hollow pipe component of reducer pipe member or shape gradual change.Like this, make things convenient for design and construction unit to select for use, help reducing the construction cost of superstructure, to satisfy the needs of different situations.
Feature of the present invention also is to have on the hollow section connection align member of connection usefulness between the tube and tube or at least one in the keeper.Align member can be latch, jack, projection, groove, bolt, cutting ferrule, draw ring, pull hook, connects muscle, draws in the net or other member.Keeper can be angle, projection, bar dowel etc.Like this,, made things convenient for unit in charge of construction's use, simplified the construction technology of superstructure, reduced the construction cost of superstructure, improved the construction quality of superstructure because the connection align member is arranged.
Feature of the present invention also is to be filled with light-weight filler in the cavity of hollow section.Light-weight filler can be foamed plastics, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool, glass wool, haydite or haydite concrete, like this, the insulation of superstructure, heat insulation, sound insulation value is better.
Feature of the present invention also is to seal plug or stiffening rib or both for sealing plug or stiffening rib with concrete, steel bar concrete, steel mesh reinforcement concrete, gauze wire cloth concrete, polymer concrete, fiber concrete, fibre mortar, fibrous mesh cloth mortar, polymer mortar or wire mesh mortar making.Like this, make things convenient for design and construction unit to select for use, helped reducing the construction cost of superstructure.
Feature of the present invention also be hollow section or seal plug for arrange net with Cement fibre, cement, the hollow section of fiber cement mortar, cloth mortar, cement mortar, plastics, cement gauze wire cloth or the making of cement mortar gauze wire cloth or seal plug, its gauze wire cloth or cloth are one or more layers.Like this, make things convenient for design and construction unit to select for use, helped reducing the construction cost of superstructure.
(4) description of drawings
Fig. 1 is the structural representation of embodiments of the invention 1.In each accompanying drawing, 1 is steel bar concrete, and 2 is hollow section, 3 for hollow section 2 two ends seal plugs, 4 be the interior cavity of hollow section 2,5 is stiffening rib, 6 is light-weight filler, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, in the cavity 4 of the hollow section 2 of superstructure, be provided with stiffening rib 5, all accompany light-weight filler 6 in plug 3 and the stiffening rib 5.
Fig. 2 is the structural representation of embodiments of the invention 2, the light-weight filler 6 in its stiffening rib 5 be polylith alternately, be dark reinforcing rib 7 each other, constitute the stiffening rib 5 of the load bearing frame of dark reinforcing rib 7.
Fig. 3 is the structural representation of embodiments of the invention 3, has in its stiffening rib 5 to run through light-weight filler 6 and be anchored in tension rib 8 in the stiffening rib 5.
Fig. 4 is the structural representation of embodiments of the invention 4, and steel wire and thin band reinforce 9 are arranged in its stiffening rib 5, simultaneously, has exposed outside reinforcing bar, thin band reinforce 9 and Cast-in-place concrete at hollow section 2 and has been bonded to integral body.
Fig. 5 is the structural representation of embodiments of the invention 5, and its stiffening rib 5 parts are protruded outside the hollow section 2.
Fig. 6 is the structural representation of embodiments of the invention 6, and there is reinforcing rib formula stiffener 10 side of its stiffening rib 5.
Fig. 7 is the structural representation of embodiments of the invention 7, and its plug 3 and stiffening rib 5 are the superimposed plug 3 and the stiffening rib 5 of the both sides band template 11 of concrete plug hole 12.
Fig. 8 is the structural representation of embodiments of the invention 8, and an end of its hollow section 2 is for sealing plug 3, and the other end is a stiffening rib 5.
Fig. 9 is the structural representation of embodiments of the invention 9, and its hollow section 2 changes along its radial dimension of pipe direction of axis line.
Figure 10 is the structural representation of embodiments of the invention 10, has bolt-type to connect align member 13 between its hollow section 2.
Figure 11 is the structural representation of embodiments of the invention 11, and the angle 14 of location usefulness is arranged on its hollow section 2.
Figure 12 is the structural representation of embodiments of the invention 12, is filled with light-weight filler 6 in the cavity 4 of its hollow section 2, is illustrated as expanded perlite.
(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, the plug 3 that seals at the two ends of hollow section 2 seals into sealed hollow 4 with hollow section 2, it is characterized in that in cavity 4, being provided with a slice stiffening rib 5 at least, at a slice plug 3 at least or at least in a slice stiffening rib 5 or accompany at least one light-weight filler 6 in both, sealing of hollow section 2 has the cast-in-situ reinforced concrete rib between the plug 3.Fig. 1 is the structural representation of embodiments of the invention 1.In each accompanying drawing, 1 is steel bar concrete, and 2 is hollow section, 3 for hollow section 2 two ends seal plugs, 4 be the interior cavity of hollow section 2,5 is stiffening rib, 6 is light-weight filler, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, in the cavity 4 of the hollow section 2 of superstructure, be provided with stiffening rib 5, all accompany light-weight filler 6 in plug 3 and the stiffening rib 5.
Feature of the present invention also be the light-weight filler 6 in plug 3 or the stiffening rib 5 be more than two alternately, be dark reinforcing rib 7 each other, constitute the plug 3 or the stiffening rib 5 of the load bearing frame of the dark reinforcing rib 7 of different shape.Fig. 2 is the structural representation of embodiments of the invention 2, the light-weight filler 6 in its stiffening rib 5 be polylith alternately, be dark reinforcing rib 7 each other, constitute the stiffening rib 5 of the load bearing frame of dark reinforcing rib 7.
Feature of the present invention also be to have in plug 3 or the stiffening rib 5 run through light-weight filler 6 and be anchored in plug 3 or stiffening rib 5 in tension rib 8.Fig. 3 is the structural representation of embodiments of the invention 3, has in its stiffening rib 5 to run through light-weight filler 6 and be anchored in tension rib 8 in the stiffening rib 5.
Feature of the present invention also is in plug 3 or stiffening rib 5 or both reinforce 9 is arranged, reinforce 9 is at least one in reinforcing bar, steel mesh reinforcement, steel wire, gauze wire cloth, pressure hole steel plate, band steel, fiber, fleece, cloth, braid over braid, strap or the metal foil band, has perhaps exposed outside reinforce 9 at hollow section 2 simultaneously and has been bonded to integral body with Cast-in-place concrete.Fig. 4 is the structural representation of embodiments of the invention 4, and steel wire and thin band reinforce 9 are arranged in its stiffening rib 5, simultaneously, has exposed outside reinforcing bar, thin band reinforce 9 and Cast-in-place concrete at hollow section 2 and has been bonded to integral body.
Feature of the present invention is that also plug 3 or stiffening rib 5 or both partly or entirely protrude outside the hollow section 2.Fig. 5 is the structural representation of embodiments of the invention 5, and its stiffening rib 5 parts are protruded outside the hollow section 2.
Feature of the present invention is that also plug 3 or stiffening rib 5 or both sides have stiffener 10, and stiffener 10 is sheet metal, carbon fiber, braid over braid or the strap of reinforcing rib, bonding.Fig. 6 is the structural representation of embodiments of the invention 6, and there is reinforcing rib formula stiffener 10 side of its stiffening rib 5.
Feature of the present invention is that also plug 3 or stiffening rib 5 or both are the template 11 of Cast-in-place concrete moulding in being used to manage, template 11 is prefabricated into one with body, constitute the empty die cavity of cast-in-situ concrete forming, on the body of empty die cavity, have hole 12,12 pour into concrete or steel bar concrete from the hole, with superimposed plug 3 or the stiffening rib 5 of two templates, 11 common formations.Fig. 7 is the structural representation of embodiments of the invention 7, and its plug 3 and stiffening rib 5 are the superimposed plug 3 and the stiffening rib 5 of the both sides band template 11 of concrete plug hole 12.
Feature of the present invention is that also the sealing two ends plug 3 of hollow section 2 is two stiffening ribs 5, and perhaps an end is a stiffening rib 5, and the other end is for sealing plug 3.Fig. 8 is the structural representation of embodiments of the invention 8, and an end of its hollow section 2 is for sealing plug 3, and the other end is a stiffening rib 5.
Feature of the present invention is that also hollow section 2 changes along its radial dimension of pipe direction of axis line, constitutes the distortion hollow pipe component of reducer pipe member or shape gradual change.Fig. 9 is the structural representation of embodiments of the invention 9, and its hollow section 2 changes along its radial dimension of pipe direction of axis line.
Feature of the present invention also is to have on the hollow section 2 the connection align member 13 of connection usefulness between the tube and tube or at least one in the keeper 14.Figure 10 is the structural representation of embodiments of the invention 10, has bolt-type to connect align member 13 between its hollow section 2.Figure 11 is the structural representation of embodiments of the invention 11, and the angle 14 of location usefulness is arranged on its hollow section 2.
Feature of the present invention also is to be filled with light-weight filler 6 in the cavity 4 of hollow section 2.Figure 12 is the structural representation of embodiments of the invention 12, is filled with light-weight filler 6 in the cavity 4 of its hollow section 2, is illustrated as expanded perlite.
Feature of the present invention also is to seal plug 3 or stiffening rib 5 or both for sealing plug or stiffening rib with concrete, steel bar concrete, steel mesh reinforcement concrete, gauze wire cloth concrete, polymer concrete, fiber concrete, fibre mortar, fibrous mesh cloth mortar, polymer mortar or wire mesh mortar making.
Feature of the present invention also be hollow section 2 or seal plug 3 for arrange net with Cement fibre, cement, the hollow section of fiber cement mortar, cloth mortar, cement mortar, plastics, cement gauze wire cloth or the making of cement mortar gauze wire cloth or seal plug, its gauze wire cloth or fibrous mesh cloth, cloth are one or more layers.
During the invention process, make hollow section 2 earlier, superstructure template is laid the Cast-in-place concrete rib steel muscle between superstructure lower bottom part reinforcing bar and the hollow section 2, lays hollow section 2, re-lays the superstructure upper reinforcement, check errorless after, water concrete, maintenance is to stipulating that the length of time, the demoulding got final product.
Claims (13)
1, a kind of steel bar reinforced hollow concrete roof cast-in-situs, comprise steel bar concrete (1), hollow section (2), hollow section (2) is embedded in the steel bar concrete (1), the plug (3) that seals at the two ends of hollow section (2) seals into sealed hollow (4) with hollow section (2), it is characterized in that in cavity (4), being provided with a slice stiffening rib (5) at least, at a slice plug (3) at least or at least in a slice stiffening rib (5) or accompany at least one light-weight filler (6) in both, sealing between the plug (3) of hollow section (2) has the cast-in-situ reinforced concrete rib.
2, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1, it is characterized in that light-weight filler (6) in plug (3) or the stiffening rib (5) be more than two alternately, be dark reinforcing rib (7) each other, constitute the plug (3) or the stiffening rib (5) of the load bearing frame of the dark reinforcing rib of different shape (7).
3, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1, it is characterized in that having in plug (3) or the stiffening rib (5) run through light-weight filler (6) and be anchored in plug (3) or stiffening rib (5) in tension rib (8).
4, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1, it is characterized in that in plug (3) or stiffening rib (5) or both reinforce (9) being arranged, reinforce (9) is at least one in reinforcing bar, steel mesh reinforcement, steel wire, gauze wire cloth, pressure hole steel plate, band steel, fiber, fleece, cloth, braid over braid, strap or the metal foil band, has perhaps exposed outside reinforce (9) at hollow section (2) simultaneously and has been bonded to integral body with Cast-in-place concrete.
5, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 4 is characterized in that plug (3) or stiffening rib (5) or both partly or entirely protrude outside the hollow section (2).
6, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1, it is characterized in that there is stiffener (10) plug (3) or stiffening rib (5) or both sides, stiffener (10) is sheet metal, carbon fiber, braid over braid or the strap of reinforcing rib, bonding.
7, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1, it is characterized in that plug (3) or stiffening rib (5) or both are the template (11) of Cast-in-place concrete moulding in being used to manage, template (11) is prefabricated into one with body, constitute the empty die cavity of cast-in-situ concrete forming, on the body of empty die cavity, have hole (12), (12) pour into concrete or steel bar concrete from the hole, constitute superimposed plug (3) or stiffening rib (5) jointly with two templates (11).
8, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1, the sealing two ends plug (3) that it is characterized in that hollow section (2) is two stiffening ribs (5), and perhaps an end is stiffening rib (5), and the other end is for sealing plug (3).
9, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1 is characterized in that hollow section (2) changes along its radial dimension of pipe direction of axis line, constitutes the distortion hollow pipe component of reducer pipe member or shape gradual change.
10, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1 is characterized in that having on the hollow section (2) the connection align member (13) of connection usefulness between the tube and tube or at least one in the keeper (14).
11, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1 is characterized in that being filled with light-weight filler (6) in the cavity (4) of hollow section (2).
12, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1 is characterized in that sealing plug (3) or stiffening rib (5) or both for sealing plug or stiffening rib with concrete, steel bar concrete, steel mesh reinforcement concrete, gauze wire cloth concrete, polymer concrete, fiber concrete, fibre mortar, fibrous mesh cloth mortar, polymer mortar or wire mesh mortar making.
13, a kind of steel bar reinforced hollow concrete roof cast-in-situs according to claim 1, it is characterized in that hollow section (2) or seal plug (3) for arrange net with Cement fibre, cement, the hollow section of fiber cement mortar, cloth mortar, cement mortar, plastics, cement gauze wire cloth or the making of cement mortar gauze wire cloth or seal plug, its gauze wire cloth or cloth are one or more layers.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100087509A CN100427691C (en) | 2003-02-26 | 2003-02-26 | Cast-in-situ reinforced concrete hollow floorslab |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100087509A Division CN100427691C (en) | 2003-02-26 | 2003-02-26 | Cast-in-situ reinforced concrete hollow floorslab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1928283A CN1928283A (en) | 2007-03-14 |
| CN100535279C true CN100535279C (en) | 2009-09-02 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610094991XA Expired - Fee Related CN100467743C (en) | 2003-02-26 | 2003-02-26 | Hollow floor cover of in-situ deposited steel bar reinforced concrete |
| CNB2006101004522A Expired - Fee Related CN100535279C (en) | 2003-02-26 | 2003-02-26 | Hollow floor cover of in-situ deposited steel bar reinforced concrete |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610094991XA Expired - Fee Related CN100467743C (en) | 2003-02-26 | 2003-02-26 | Hollow floor cover of in-situ deposited steel bar reinforced concrete |
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| CN (2) | CN100467743C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104695707A (en) * | 2015-02-13 | 2015-06-10 | 中国建筑第二工程局有限公司 | Anti-floating construction method for cast-in-place concrete floor hollow pipe |
| CN111247298B (en) | 2017-10-02 | 2021-07-23 | 李光富 | Frame pipe recombination cover plate of cast-in-situ wall core building block mould |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3708929A (en) * | 1971-07-29 | 1973-01-09 | Packaging Corp America | Cast in situ deck construction and core unit for use therein |
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2003
- 2003-02-26 CN CNB200610094991XA patent/CN100467743C/en not_active Expired - Fee Related
- 2003-02-26 CN CNB2006101004522A patent/CN100535279C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1920204A (en) | 2007-02-28 |
| CN1928283A (en) | 2007-03-14 |
| CN100467743C (en) | 2009-03-11 |
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