CN1337507A - Hollow tubular member of combined reinforced concrete depositing structure - Google Patents
Hollow tubular member of combined reinforced concrete depositing structure Download PDFInfo
- Publication number
- CN1337507A CN1337507A CN 01136050 CN01136050A CN1337507A CN 1337507 A CN1337507 A CN 1337507A CN 01136050 CN01136050 CN 01136050 CN 01136050 A CN01136050 A CN 01136050A CN 1337507 A CN1337507 A CN 1337507A
- Authority
- CN
- China
- Prior art keywords
- hollow
- stiffening rib
- pipe
- steel bar
- reinforced concrete
- Prior art date
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 31
- 238000000151 deposition Methods 0.000 title description 2
- 239000000203 mixtures Substances 0.000 claims abstract description 4
- 210000000614 Ribs Anatomy 0.000 claims description 87
- 101710042555 EXT2 Proteins 0.000 claims description 66
- 229910000831 Steel Inorganic materials 0.000 claims description 50
- 239000004567 concrete Substances 0.000 claims description 50
- 239000010959 steel Substances 0.000 claims description 50
- 210000003205 Muscles Anatomy 0.000 claims description 45
- 239000003351 stiffeners Substances 0.000 claims description 38
- 239000004744 fabrics Substances 0.000 claims description 34
- 230000003014 reinforcing Effects 0.000 claims description 34
- 239000004570 mortar (masonry) Substances 0.000 claims description 23
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- 230000015572 biosynthetic process Effects 0.000 claims description 15
- 239000004568 cements Substances 0.000 claims description 15
- 238000005755 formation reactions Methods 0.000 claims description 14
- 238000000465 moulding Methods 0.000 claims description 13
- 230000002787 reinforcement Effects 0.000 claims description 13
- 239000011083 cement mortar Substances 0.000 claims description 9
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- 239000002184 metals Substances 0.000 claims description 7
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- 235000013312 flour Nutrition 0.000 claims description 6
- 239000011490 mineral wool Substances 0.000 claims description 6
- 239000003638 reducing agents Substances 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound 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Abstract
The present invention relates to a hollow pipe member for in-situ casting reinforced concrete combination structure, including hollow pipe, its cross-section can be circular shape, square, trapezoid and other shape, which is characterized by that the interior of hollow pipe is equipped with transverse stiffening rib, said transverse stiffening rib and pipe body of hollow pipe are formed into an integrated two-way pipe member. Because the hollow pipe is equipped with stiffening rib, so that when said member is used, it eliminates the defects of that the interior of the hole-formed pipe member has no bearing member and anti-cracking structure, and can form two-way bearing concealed rib, so that its mechanical property and seismic behavior can be improved. It is applicable to various cast-in-place floor construction.
Description
The present invention relates to a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure.
At present, in the prior art, it is permanent core that cast-in-situ hollow floor plate becomes pole, and as paper tube, plastic pipe, metal bellows, core light material etc., these tubular core molds or member mainly consider to find time concrete, reduce floor weight.It as the patent No. 99249755.8 cast-in-place reinforced concrete filling fiber reinforcement type 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 horniness thin-walled tube cross section and plug shape can be circle, square, trapezoidal or other is special-shaped.This pipe has advantages such as intensity height, resistance to deformation, anti-vibration performance are good, convenient construction and transport.But after being applied to cast-in-situ hollow floor plate; because the tubulose concrete of reinforced concrete floor hard thin-wall tube hub is found time; along pipe the Cast-in-place concrete rib arranged vertically; and laterally found time by core or member owing to steel bar concrete, only depend on two plugs to seal, therefore as the power transmission rib; can't bear the effect of complicated pulling force, pressure, shearing, moment of torsion etc.; the bigger situation of cast-in-place hollow slab two direction rigidity great disparities occurs, and become the cast-in-situ reinforced concrete hollow one-way slabs, can't form well word rib equivalent transverse and longitudinal.As the plate that pours into this kind member, compare with two-way multi-ribbed plate, then exist the steel bar concrete consumption big, from great, core can not play the member in shear memory effect, and hollowcore slab thickness is big, and deflection deformation is big, the shearing resistance torsional property is poor, the easy crack of weakness, last bottom flange, bidirectional stress power transmission difference is big, poor mechanical property, shock resistance is poor, the big deficiency that waits of two-way stiffness difference.Therefore, no primary structure member and cracking resistance structure in this kind hollow section pipe is developed a kind of novel combined reinforced concrete depositing structure hollow unit for being badly in need of for this reason.
The purpose of this invention is to provide a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure, during use, it be template be again primary structure member, simultaneously, have the intensity height, bidirectional stress power transmission difference is little, advantages such as the shearing resistance torsional property is strong, resistance to deformation is big, anti-seismic performance is good, convenient construction and transport.
Solution of the present invention is to be provided with transverse stiffener on the basis of existing technology in hollow section, and the body of transverse stiffener and hollow section forms a whole two-way hollow pipe component.This kind member is owing to be provided with transverse stiffener in hollow section, eliminated behind the hollow section pore-forming defective that no primary structure member and cracking resistance are constructed in the pipe, has the intensity height, bidirectional stress power transmission difference is little, shearing resistance is antitorque strong, and resistance to deformation is big, and anti-seismic performance is good, advantages such as convenient construction and transport, thus reached purpose of the present invention.
Feature of the present invention is that also transverse stiffener is provided with a slice, two, three or multi-disc in hollow section.
Feature of the present invention also is to accompany in the transverse stiffener and strengthens with reinforcing bar, light-gauge steel section, steel mesh reinforcement, gauze wire cloth, fiber, fleece or cloth, also can be two or more being used in combination.
Feature of the present invention also is the transverse stiffener both sides, and the increase stiffening rib rigidity of protrusion, the reinforcing rib of intensity can be arranged.
Feature of the present invention is that also the reinforcing rib of stiffening rib is positioned at pipe bottom and other position, and the bottom reinforcing rib is greater than the reinforcing rib at other position, and the formation inverted T shape pastes the stiffening rib of the big reinforcing rib in the end.
Feature of the present invention is that also transverse stiffener can protrude the hollow section outer wall, and the cross sectional shape behind the protrusion can be identical or different with former body shape of cross section.
Feature of the present invention also is reinforcing bar, steel mesh reinforcement, gauze wire cloth, the fleece in adding the footpath rib, can expose muscle, reveal net at hollow section, perhaps only exposes reservation tie point and tube-surface and puts down or omit height or nick.
Feature of the present invention is that also the stiffening rib position makes part or whole grooves week along pipe, and groove can be equal-width groove or the groove that broadens, and stiffening rib can reveal muscle or reveal net, reveals muscle, reveals net and can be hidden in the groove or in the curved volt groove.
The 0.5-30 that feature of the present invention also is at the wide thickness for stiffening rib of the groove at stiffening rib position doubly.
Feature of the present invention is that also the stiffening rib both sides are useful on the template of stiffening rib moulding in the pipe, and template is dismountable or do not remove, and template of not tearing open and stiffening rib can constitute superimposed stiffening rib jointly; Template also can be prefabricated into one with body, constitutes the stiffening rib moulding and has the hole with empty die cavity and on the empty die cavity body between two templates, by pouring into concrete or steel bar concrete, constitutes superimposed stiffening rib with two templates.Joint bar and pour concrete were convenient carrying when reinforcing bar and concrete can be two-way pipe moulding in the empty die cavity, also can be at the construction field (site) and pipe synchronous joint bar of outer steel bar concrete and cast.
Feature of the present invention is that also the hollow section two ends can be two plugs, also can be two stiffening ribs, can an end be stiffening rib also, and the other end is a plug.
Feature of the present invention is that also transverse stiffener can leave the hole or do not box out, and leaves the formation plate muscle stiffening rib in hole, pure muscle stiffening rib, plate hole stiffening rib, endless tube stiffening rib; The formation plate stiffening rib of atresia, plate muscle stiffening rib.
Feature of the present invention is that also hollow section is variable along its radial dimension of pipe direction of axis line, can constitute the two-way pipe component of distortion of two-way pipe component of reducing or the gradual change of formation shape.
Feature of the present invention is that also the locating structure that connects template is arranged at the bottom of pipe, and locating structure is fixed in the two-way pipe component, can be draw ring, pull hook, connect muscle or draw in the net or other device.
Feature of the present invention is that also the transverse stiffener material can be 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.
Feature of the present invention is also that hollow section body material can be that Cement fibre, cement are arranged net, fiber cement mortar, cloth mortar, cement mortar, metal bellows, plastic pipe, metal tube, cement gauze wire cloth or cement mortar gauze wire cloth, its gauze wire cloth or fibrous mesh cloth, cloth one or more layers.
When feature of the present invention was that also transverse stiffener is steel bar concrete or plain concrete, its concrete proportioning was cement 15-25%, sand 25-35%, silica flour 1-6%, stone 40-60%, SK expansion agent 8-15%, high efficiency water reducing agent 0.1-0.5%, fiber 0.01-1%, CN early strength admixture 0.1-0.5%.
When feature of the present invention was that also transverse stiffener is the wire mesh mortar moulding, the mortar proportioning was cement 30-40%, silica flour 2-6%, sand 60-80%, expansion agent 8-12%, the efficient composite water-reducing agent 0.1-0.6% of XN, FC polypropylene complex emulsions 0-3%, early strength admixture 0.2-0.5%.
Feature of the present invention also is at the hollow part of two-way pipe component partly or entirely filling foamed plastics, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool or glass wool.
Fig. 1 is the structural representation of embodiments of the invention 1.
Fig. 2 is the A-A sectional view of embodiments of the invention 1.
Fig. 3 is the structural representation of embodiments of the invention 2.
Fig. 4 is the B-B sectional view of embodiments of the invention 2.
The inverted T shape that forms bottom Fig. 5 manages for reinforcing rib 7 is positioned at pastes the structural representation of the stiffening rib 2 of the big reinforcing rib 7 in the end.
Fig. 6 protrudes the structural representation of the hollow section 1 outer wall side of formation rib pipe for stiffening rib 2.
Fig. 7 is the structural representation of the cross section of hollow section 1 along vertical reducing of pipe.
Fig. 8 is the structural representation of porose 13 plate muscle stiffening rib 2.
Fig. 9 is the structural representation that stiffening rib 2 protrudes hollow section 1 outer wall and hollow section 1 straight in-flanges and stiffening rib 2 bondings.
Figure 10 is the structural representation that stiffening rib 2 outstanding hollow section 1 outer walls constitute circle rib pipe.
Figure 11 exposes the structural representation of net 9 for hollow section 1.
Figure 12 reveals the structural representation of muscle 8, dew net 9 simultaneously for hollow section 1.
Figure 13 for hollow section 1 along Guan Zhouyou broaden groove 10 and in groove 10 stiffening rib 2 structural representation that reveals muscle 8 is arranged.
Figure 14 is the upper and lower structural representation that partial groove 10 is arranged and do not reveal muscle 8 of hollow section 1.
Figure 15 for hollow section 1 along wide groove 10 such as pipe Zhou You and in groove 10 stiffening rib 2 structural representation that reveals muscle 8 is arranged.
Figure 16 for hollow section 1 around the pipe fluted 10 and in groove 10 stiffening rib 2 structural representations that reveal muscle 8 curved volts are arranged.
Figure 17 is the structural representation that template 11 and bellows body 1 form stiffening rib opening die cavity.
Figure 18 is bellows 1 structural representation that there is upper and lower partial groove 10 in edge pipe week and stiffening rib 2 has dew muscle 8 in groove 10.
Figure 19 is the C-C sectional view of Figure 18.
Figure 20 is the structural representation that four jiaos of 1 edge pipe week of hollow section have partial groove 10 and stiffening rib 2 has dew muscle 8 in groove 10.
Figure 21 is hollow section 1 structural representation that there is partial groove 10 in edge pipe week and stiffening rib 2 has dew net 9 in groove 10.
Figure 22 has the structural representation that reveals muscle 8 curved volts for the stiffening rib 2 of flat bellows 1.
Figure 23 has the structural representation that reveals straight muscle 8 for the stiffening rib 2 of helical bellows 1.
Figure 24,25,26,27,28,29,30,31,32 is respectively the various stiffening rib 2 that constituted when reinforcing rib 7 is different floral designs or the structural representation of hollow section 1.
Figure 33,34,35,36,37,38,39, for hollow section 1 along having different grooves 10 and its stiffening rib 2 different structural representation or sectional view pipe week.
Figure 40 is the structural representation that template 11 and body 1 form stiffening rib 2 die cavitys.
Figure 41 is the D-D sectional view of Figure 40.
Figure 42 is the structural representation that template 11 and body 1 form stiffening rib 2 opening die cavitys.
Figure 43 structural representation superimposed that be template 11 with stiffening rib 2.
Figure 44 is the structural representation of the two-way hollow section of circular reducing.
Figure 45 is the E-E sectional view of Figure 44.
Figure 46 is the F-F sectional view of Figure 44.
Figure 47 is the structural representation of the two-way hollow section of square reducing.
Figure 48 is the G-G sectional view of Figure 47.
Figure 49 is the H-H sectional view of Figure 47.
Below in conjunction with drawings and Examples invention is described further.
The present invention is shown in Fig. 1,2,3,4, include hollow section 1, hollow section 1 shape of cross section is circular, square, trapezoidal or other are special-shaped, it is characterized in that being provided with in hollow section 1 transverse stiffener 2, and transverse stiffener 2 forms a whole two-way hollow pipe component with the body of hollow section 1.It has the intensity height, and bidirectional stress power transmission difference is little, and shearing resistance is antitorque strong, and resistance to deformation is big, and anti-seismic performance is good, characteristics such as construction transportation aspect.When using, with the prefabricated two-way hollow pipe component that has transverse stiffener 2, place the reinforcing bar of cast-in-place plate, the location is fixed, pour concrete then, behind the maintenance folding mould, formed the two-way dark close rib that prefabricated stiffening rib and Cast-in-place concrete rib join mutually in the pipe, and prefabricated stiffening rib and Guan Ding in the pipe, the edge of a wing of Cast-in-place concrete up and down under managing are built up the I shape force structure.Both sides' stiffness difference of this model reduces, and shock resistance, mechanical property improve, and the shearing resistance anti-twisting property improves, and bidirectional stress power transmission difference reduces, and last bottom flange weakness is not easy to crack, thereby has reached purpose of the present invention.
Feature of the present invention is that also transverse stiffener 2 can be provided with a slice, two, three or multi-disc in hollow section 1.In hollow section 1, be provided with four as Fig. 1 for transverse stiffener 2.
Feature of the present invention also is to accompany in the transverse stiffener 2 and strengthens with reinforcing bar 3, light-gauge steel section 4, steel mesh reinforcement 5, gauze wire cloth 6, fiber, fleece or cloth, also can be two or more being used in combination.Can make the intensity and the rigidity of stiffening rib 2 obtain bigger raising like this.Fig. 1 accompanies reinforcing bar 3 in the transverse stiffener 2, and Figure 11 is for accompanying steel mesh reinforcement 5, and Figure 12 is for accompanying gauze wire cloth 6.
Feature of the present invention also is transverse stiffener 2 both sides, and the increase stiffening rib rigidity of protrusion, the reinforcing rib 7 of intensity can be arranged.Reinforcing rib 7 is different floral designs, then constitutes different types of stiffening rib 2.As shown in Figure 1, there is reinforcing rib 7 transverse stiffener 2 both sides, and there is reinforcing rib 7 pipe end transverse stiffener 2 inboards, and the outer end is the plane; Fig. 2 is the A-A sectional drawing of Fig. 1, and the reinforcing rib 7 that expression is protruded is a groined type.Figure 24,25,26,27,28,29,30,31,32 reinforcing rib 7 respectively is the structural representation of different types of stiffening rib 2 that different floral designs constitute or the structural representation of hollow section 1.Figure 38 is different all muscle, the endless tube stiffening rib 2 that the rod member muscle constitutes.
Feature of the present invention is that also the reinforcing rib 7 of stiffening rib 2 is positioned at pipe bottom and other position, and bottom reinforcing rib 7 is greater than other position reinforcing rib, and the formation inverted T shape pastes the stiffening rib 2 of the big reinforcing rib 7 in the end.As shown in Figure 5, stiffening rib 2 is inverted T shape and pastes big reinforcing rib 7 stiffening ribs 2 in the end.
Feature of the present invention is that also transverse stiffener 2 can protrude hollow section 1 outer wall, and the cross sectional shape behind the protrusion can be identical or different with former body shape of cross section.Shown in Fig. 6,9,10, stiffening rib 2 has protruded the outer wall of hollow section 1, and Fig. 6 side of being rib pipe, Fig. 9 can be round rib pipe or square rib square tube or alternate manner, and Figure 10 is circle rib pipe.
Feature of the present invention also is reinforcing bar 3, steel mesh reinforcement 5, gauze wire cloth 6, the fleece in stiffening rib 2, can expose muscle 8, reveal net 9 at hollow section, perhaps only exposes reservation tie point and tube-surface and puts down or omit height or nick.By revealing muscle, revealing net, strength bar, net combine with cast-in-situ reinforced concrete like this, form cast-in-place rib and prefabricated rib 2 and intersect the two-way dark close rib that combines.Fig. 1,2,3,4,5,6,7,8,9,10 etc., its hollow section 1 has the muscle of exposing 8; Its hollow section 1 of Figure 12 exposes muscle 8 simultaneously, reveals net 9; Figure 11 exposes net 9 for hollow section 1.
Feature of the present invention also is to make part or whole groove 10 at position, stiffening rib 2 place week along pipe, and groove 10 can be equal-width groove or the groove that broadens, and stiffening rib 2 can reveal muscle 8 or reveal net 9, and dew muscle 8, dew net 9 can be hidden in the groove 10 or curved lying prostrate in the groove 10.Cast-in-situ reinforced concrete forms cast-in-situ reinforced concrete wedge head or forms integral body, co-ordination better with transverse stiffener 2 at the position of groove 10 like this.Shown in Figure 13,14,15,16,18,19,20,21,27,28,29,30,33,38,39,41, in the various multi-form local or whole situations of grooves 10 of making in pipe week of position, stiffening rib 2 place; And in the groove 10 shown in Figure 13,15,16,18,19,20,21,27,28,29,30,33,38,39,41 etc., stiffening rib 2 has the muscle 8 of revealing; Reveal muscle 8 bendables volt or not curved volt in groove 10, Fig. 1,2,3,4,5,7,8,9,10,24,26,31,35,43,44,47 etc. does not make part or whole grooves 10 for hollow section 1 at position, stiffening rib 2 place, dew muscle 8 bendables on the tube wall nearly tube wall that fits perfectly, as shown in Figure 9; Figure 14 is for upper and lower partial groove and do not reveal the form of muscle 8, and Figure 22,23 is respectively flat bellows and reveals the situation that muscle 8 curved volts and helical bellows reveal straight muscle 8.
The 0.5-30 that feature of the present invention also is at the wide thickness for stiffening rib 2 of the groove 10 at stiffening rib 2 positions doubly.Shown in Figure 13,15,17,18,29,35, the wide thickness than stiffening rib 2 of groove 10 is big.
Feature of the present invention is that also stiffening rib 2 both sides are useful on the template 11 of stiffening rib 2 moulding in the pipe, and template 11 is dismountable or do not remove, and template 11 and the stiffening rib 2 do not torn open can constitute superimposed stiffening rib jointly; Template 11 also can be prefabricated into one with body 1, constitutes stiffening rib 2 forming mould chambeies 16, and have the hole on the empty die cavity body 1 between two templates 11, by pouring into concrete or steel bar concrete, constitutes superimposed stiffening rib with two templates 11.Concrete that pours in the cavity between two templates 11 or steel bar concrete pour into when wherein can pour into when prefabricated body 1 or construct at the scene again.Figure 43 is not for template 11 is torn the situation superimposed with stiffening rib 2 open; Figure 42 for two-way hollow section body 1 is prefabricated into one with template 11, and has the hole on the corresponding tube wall of transverse stiffener 2, do not pour into concrete or steel bar concrete.Figure 17,42 is depicted as the situation of template 11 and body 1 formation stiffening rib 2 opening die cavitys.
Feature of the present invention is that also hollow section 1 two ends can be two plugs 12, also can be two stiffening ribs 2, can an end be stiffening rib 2 also, and the other end is a plug 12.Fig. 1 is two stiffening ribs 2, and Fig. 2 is an end stiffening rib 2, and the other end is a plug 12.
Feature of the present invention is that also transverse stiffener 2 can leave hole 13 or do not box out, and leaves the formation plate muscle stiffening rib in hole 13, pure muscle stiffening rib, plate hole stiffening rib, endless tube stiffening rib; The formation plate stiffening rib of atresia, plate muscle stiffening rib.Porose can reduce material consumption relatively and reduce weight.Fig. 8 is 13 the plate muscle stiffening rib 2 of boxing out, and Figure 39 is pure muscle stiffening rib 2, and figure is 38 endless tube stiffening ribs; Fig. 3 is the plate stiffening rib 2 of atresia, and Fig. 2 is a plate muscle stiffening rib.
Feature of the present invention is that also hollow section 1 is variable along its radial dimension of pipe direction of axis line, can constitute the two-way pipe component of distortion of two-way pipe component of reducing or the gradual change of formation shape.Fig. 7, the 44th, hollow section 1 is a circular cross section, its size is changed from small to big gradually; Figure 47 is that hollow section 1 is square cross section, and its size is changed from small to big gradually; Fig. 1,3,5,7,9 etc. is the uniform section pipe.
Feature of the present invention is that also the locating structure 14 that connects template is arranged at the bottom of pipe, and locating structure 14 is fixed in the two-way pipe component, can be draw ring, pull hook, connects muscle, draw in the net or other device.These members can be embedded in advance in the two-way hollow pipe component and link to each other with body 1 or stiffening rib 2, outside the protruded tube, can conveniently fix two-way hollow pipe component like this, prevent its come-up or horizontal shift, and Figure 35 is that locating structure is the situation of draw ring.
Feature of the present invention is that also transverse stiffener 2 materials can be 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.
Feature of the present invention is also that hollow section 1 body material can be that Cement fibre, cement are arranged net, fiber cement mortar, cloth mortar, cement mortar, metal bellows, plastic pipe, metal tube, cement gauze wire cloth or cement mortar gauze wire cloth, its gauze wire cloth or fibrous mesh cloth, cloth one or more layers.
When feature of the present invention also was transverse stiffener 2 for steel bar concrete or plain concrete, its concrete proportioning was cement 15-25%, sand 25-35%, silica flour 1-6%, stone 40-60%, SK expansion agent 8-15%, high efficiency water reducing agent 0.1-0.5%, fiber 0.01-1%, CN early strength admixture 0.1-0.5%.
When feature of the present invention also was transverse stiffener 2 for the wire mesh mortar moulding, the mortar proportioning was cement 30-40%, silica flour 2-6%, sand 60-80%, expansion agent 8-12%, the efficient composite water-reducing agent 0.1-0.6% of XN, FC polypropylene complex emulsions 0-3%, early strength admixture 0.2-0.5%.
Feature of the present invention also is at the hollow part 15 of two-way pipe component partly or entirely filling foamed plastics, expanded perlite, expanded vermiculite foaming or aerated light concrete, rock wool, mineral wool or glass wool.
The present invention is when making, when moulding hollow section 1, can first reserving hole on tube wall, or cutting or boring again after hollow section 1 moulding, in hollow section 1, install then and the fixing template 11 of stiffening rib 2, reinforcements such as reinforcing bar 3 or steel mesh reinforcement 5 are put into mould, cementitious materialss such as pour concrete, mortar, fiber concrete or fibre mortar then, stiffening rib 2 and hollow section 1 are combined closely, after treating the cementitious materials sclerosis, template 11 is dismountable can not remove yet, as shown in figure 43, and the situation of not removing for template 11.Also can distinguish precast hollow pipe 1 and stiffening rib 2 earlier, hollow section 1 is in-flanges or inwardly oblique on request flange directly, stiffening rib 1 and pipe port gluing straight or interior oblique flange are formed integral body, forming two-way hollow pipe component of straight tube and the two-way hollow pipe component of groove respectively, is the two-way hollow pipe component of straight tube as Fig. 9.Prefabricated stiffening rib 2 places stiffening rib 2 hollow section 1 moulding core then earlier, during hollow section 1 kinking moulding, the tight gluing of stiffening rib 2 embeddings is formed.
Claims (19)
1, a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure, include hollow section 1, hollow section 1 shape of cross section is circular, square, trapezoidal or other are special-shaped, it is characterized in that being provided with in hollow section 1 transverse stiffener 2, transverse stiffener 2 forms a whole two-way hollow pipe component with the body of hollow section 1.
2, a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure according to claim 1 is characterized in that transverse stiffener 2 can be provided with a slice, two, three or multi-disc in hollow section 1.
3, according to claim 1 or 2 described a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure, it is characterized in that accompanying in the transverse stiffener 2 strengthening and use reinforcing bar 3, light-gauge steel section 4, steel mesh reinforcement 5, gauze wire cloth 6, fiber, fleece or cloth, also can be two or more being used in combination.
4, according to claim 1 or 2 described a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure, it is characterized in that transverse stiffener 2 both sides, the increase stiffening rib rigidity of protrusion, the reinforcing rib 7 of intensity can be arranged.
5, a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure according to claim 4, the reinforcing rib 7 that it is characterized in that stiffening rib 2 is positioned at pipe bottom and other position, bottom reinforcing rib 7 is greater than the reinforcing rib 7 at other position, and the formation inverted T shape pastes the stiffening rib 2 of the big reinforcing rib 7 in the end.
6, according to claim 1 or 2 described a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure, it is characterized in that transverse stiffener 2 can protrude hollow section 1 outer wall, the cross sectional shape behind the protrusion can be identical or different with former body shape of cross section.
7, a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure according to claim 3, it is characterized in that reinforcing bar 3, steel mesh reinforcement 5, gauze wire cloth 6, fleece in adding footpath rib 2, can expose muscle 8, reveal net 9 at hollow section, perhaps only expose reservation tie point and tube-surface and put down or omit height or nick.
8, according to claim 1,2 or 7 described a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure, it is characterized in that position, stiffening rib 2 place makes part or whole grooves 10 week along pipe, groove 10 can be equal-width groove or the groove that broadens, stiffening rib 2 can reveal muscle 8 or reveal net 9, and dew muscle 8, dew net 9 can be hidden in the groove 10 or curved lying prostrate in the groove 10.
9, a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure according to claim 8 is characterized in that at the 0.5-30 of the wide thickness for stiffening rib 2 of the groove 10 at stiffening rib 2 positions doubly.
10, according to claim 1 or 2 described a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure, it is characterized in that the stiffening rib both sides are useful on the template 11 of stiffening rib 2 moulding in the pipe, template 11 is dismountable or do not remove, and template 11 and the stiffening rib 2 do not torn open can constitute superimposed stiffening rib jointly; Template 11 also can be prefabricated into one with body 1, constitutes stiffening rib 2 moulding with empty die cavity 16, and have the hole on the empty die cavity body 1 between two templates 11, by pouring into concrete or steel bar concrete, with the superimposed stiffening rib of two templates, 11 formations.
11, a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure according to claim 1 is characterized in that hollow section 1 two ends can be two plugs 12, also can be two stiffening ribs 2, can an end be stiffening rib 2 also, and the other end is a plug 12.
12, according to claim 1 or 2 described a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure, it is characterized in that transverse stiffener 2 can leave hole 13 or do not box out, and leaves the formation plate muscle stiffening rib in hole 13, pure muscle stiffening rib, plate hole stiffening rib, endless tube stiffening rib; The formation plate stiffening rib of atresia, plate muscle stiffening rib.
13, according to claim 1 or 2 described a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure, it is characterized in that hollow section 1 is variable along its radial dimension of pipe direction of axis line, can constitute the two-way pipe component of distortion of two-way pipe component of reducing or the gradual change of formation shape.
14, according to claim 1 or 2 described a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure, the locating structure 14 that connects template is arranged at the bottom that it is characterized in that pipe, locating structure 14 is fixed in the two-way pipe component, can be draw ring, pull hook, connects muscle, draw in the net or other device.
15,, it is characterized in that transverse stiffener 2 materials can be 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 according to claim 1 or 2 described a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure.
16, according to claim 1 or 2 described a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure, it is characterized in that hollow section 1 body material can be that Cement fibre, cement are arranged net, fiber cement mortar, cloth mortar, cement mortar, metal bellows, plastic pipe, metal tube, cement gauze wire cloth or cement mortar gauze wire cloth, its gauze wire cloth or fibrous mesh cloth, cloth one or more layers.
17, a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure according to claim 14, when it is characterized in that transverse stiffener 2 for steel bar concrete or plain concrete, its concrete proportioning is cement 15-25%, sand 25-35%, silica flour 1-6%, stone 40-60%, SK expansion agent 8-15%, high efficiency water reducing agent 0.1-0.5%, fiber 0.01-1%, CN early strength admixture 0.1-0.5%.
18, a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure according to claim 14, when it is characterized in that transverse stiffener 2 for the wire mesh mortar moulding, the mortar proportioning is cement 30-40%, silica flour 2-6%, sand 60-80%, expansion agent 8-12%, the efficient composite water-reducing agent 0.1-0.6% of XN, FC polypropylene complex emulsions 0-3%, early strength admixture 0.2-0.5%.
19,, it is characterized in that at the hollow part 15 of two-way pipe component partly or entirely filling foamed plastics, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool or glass wool according to claim 1 or 2 described a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01136050 CN1111235C (en) | 2001-09-30 | 2001-09-30 | Hollow tubular member of combined reinforced concrete depositing structure |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01136050 CN1111235C (en) | 2001-09-30 | 2001-09-30 | Hollow tubular member of combined reinforced concrete depositing structure |
| PCT/CN2002/000698 WO2003029573A1 (en) | 2001-09-30 | 2002-09-29 | An hollow formwork for a insitu reinforcing concrete structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1337507A true CN1337507A (en) | 2002-02-27 |
| CN1111235C CN1111235C (en) | 2003-06-11 |
Family
ID=4673416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01136050 CN1111235C (en) | 2001-09-30 | 2001-09-30 | Hollow tubular member of combined reinforced concrete depositing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1111235C (en) |
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| CN100449084C (en) * | 2003-05-06 | 2009-01-07 | 邱则有 | Hollow casing for concrete filling and its use |
| CN100455738C (en) * | 2003-09-15 | 2009-01-28 | 邱则有 | Light matrix member for in-situ cast concrete |
| CN101408049B (en) * | 2004-11-22 | 2011-04-27 | 湖南邱则有专利战略策划有限公司 | Cavity component for concrete hollow slab |
| CN100427711C (en) * | 2004-11-22 | 2008-10-22 | 邱则有 | Cavity member for hollow concrete slab |
| CN100449093C (en) * | 2004-11-23 | 2009-01-07 | 邱则有 | Cavity structural member for hollow concrete slab |
| CN100427712C (en) * | 2004-11-23 | 2008-10-22 | 邱则有 | Cavity structural member for hollow concrete slab |
| CN1779097B (en) * | 2004-11-24 | 2010-08-11 | 邱则有 | Hollow concrete slab |
| CN104088386A (en) * | 2014-07-25 | 2014-10-08 | 陈风平 | Cast-in-situ concrete filling component |
Also Published As
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|---|---|
| CN1111235C (en) | 2003-06-11 |
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