CN1116485C - Floor with space structure - Google Patents

Floor with space structure Download PDF

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Publication number
CN1116485C
CN1116485C CN 01139993 CN01139993A CN1116485C CN 1116485 C CN1116485 C CN 1116485C CN 01139993 CN01139993 CN 01139993 CN 01139993 A CN01139993 A CN 01139993A CN 1116485 C CN1116485 C CN 1116485C
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China
Prior art keywords
base plate
space
cover
cast
mould shell
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CN 01139993
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Chinese (zh)
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CN1356440A (en
Inventor
邱则有
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邱则有
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Priority to CN 01139993 priority Critical patent/CN1116485C/en
Publication of CN1356440A publication Critical patent/CN1356440A/en
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Publication of CN1116485C publication Critical patent/CN1116485C/en

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Abstract

The present invention relates to a space structural building cover which comprises a shuttering member formed by connecting a shuttering (1) and a structural bottom board (2), and a main rib (3) of cast-in-situ reinforced concrete. The present invention is characterized in that the present invention also comprises an upper board (4) of cast-in-situ reinforced concrete, wherein the same prefabricated structural bottom board (2) comprises at least two prefabricated hollow shutterings (1) alternately arranged and at least one secondary rib (5) of cast-in-situ reinforced concrete, the secondary rib (5) of cast-in-situ reinforced concrete and the side wall of each hollow shuttering (1) are mutually overlapped, and structures of hidden and dense ribs of a space structural building cover are formed from the main rib (3) of cast-in-situ reinforced concrete and the secondary rib (5) of cast-in-situ reinforced concrete, wherein a main rib and a secondary rib of the hidden and dense ribs are staggered. Thus, because the present invention is provided with at least one secondary rib of cast-in-situ reinforced concrete on the basis of the prior art, forced structures of the hidden and dense ribs are formed, wherein the main rib and the secondary rib are staggered; thus, the forced property of a building cover is improved so as to further enhance the integrated property and the shock resistance property of a building cover, the thickness of a building cover is reduced, structural self-weight is lightened, and cost is reduced; meanwhile, the present invention has the characteristics of high intensity, simple structure, convenient construction, etc.

Description

A kind of cover of storied building in space structure

(1) technical field

The present invention relates to a kind of cover of storied building in space structure.

(2) background technology

Advantages such as at present, the building of brick mix structure and reinforced concrete structure major part adopts precast hollow slab as floor structure, and it is fast that this floor structure has speed of application, and 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.In order to address the above problem, a lot of building have adopted the method for Cast-in-place concrete floor (solid, hollow), though solved antidetonation and problems of crack, will use template in a large number during construction, have not only increased expense, and have slowed down speed of application, have prolonged the duration.Application number is " a kind of combination concrete rib floor structure " utility model patent of 00203695.9, it is made up of prefabricated plate, formwork, dark rib, upper plate, each prefabricated plate is placed at interval, on prefabricated plate, be fixed with formwork, be provided with main rib between contiguous prefabricated thin plate or the formwork, upper plate covers on the formwork, and connects as one with main rib.Though this floor structure can be saved a large amount of templates, accelerate construction progress, but because formwork is what to separate with prefabricated plate, its strength and stiffness are corresponding relatively poor, thereby the problem that exists formwork easily to break, simultaneously, formwork is fixed on and does not relate to concrete fixed form on the prefabricated plate, thereby fixed in place is not necessarily convenient.And the patent No. is 93206310.1 shuttering member utility model patent, it constitutes hollow mould shell by sidewall and formwork upper plate and is connected to form totally-enclosed cavity polyhedral structure with lower shoe again, prefabricated stiffening rib is arranged in it, during use member is placed on the supporter of floor gap the integral cover that formation bonded to one another flushes up and down between cast-in-place main rib, the shuttering member.This kind Cavity structural member is in superstructure, purely as shuttering member, do not participate in stressedly, and when being applied in than the large spatial structure superstructure, its stress performance is also phase strain differential thereupon, sight is watered does not have time rib connection between the main rib, thereby make the size of main rib need corresponding increase, or the increase of the quantity of main rib, cause material usage to increase, the thick increase of superstructure, cost increases.Therefore develop a kind of novel cover of storied building in space structure for being badly in need of.

(3) summary of the invention

The object of the present invention is to provide a kind of cover of storied building in space structure, the stress performance of superstructure is improved, the thickness of corresponding minimizing superstructure reduces cost, and also has characteristics such as simple in structure, easy construction simultaneously.

Solution of the present invention is to include shuttering member, the cast-in-situ reinforced concrete main rib that is linked by formwork and structure base plate, it is characterized in that also including the cast-in-situ reinforced concrete upper plate, and on same precast construction base plate, include at least 2 prefabricated hollow formworks alternately with at least one cast-in-situ reinforced concrete time rib, the sidewall of cast-in-situ reinforced concrete time rib and hollow mould shell is superimposed each other, and cast-in-situ reinforced concrete main rib, cast-in-situ reinforced concrete time rib constitute the staggered dark close rib structure of cover of storied building in space structure primary and secondary.Like this, because at least 2 hollow mould shells and at least 1 cast-in-situ reinforced concrete time rib are arranged on the prior art basis, cast-in-situ reinforced concrete time rib participation structure base plate, main rib, cast-in-situ reinforced concrete upper plate stressed, form the staggered dark close rib force structure of primary and secondary, the stress performance of superstructure is improved, but also overall performance, the anti-seismic performance of superstructure have further been improved, reduced the thickness of superstructure, alleviated dead load, reduced cost, also have intensity height, simple in structure, characteristics such as easy construction simultaneously.

Feature of the present invention also is in the cast-in-situ reinforced concrete main rib prestressed reinforcement is arranged.

Feature of the present invention is that also cast-in-situ reinforced concrete time rib has two when above, their parallel each other or quadrature or obliques.

Feature of the present invention is that also reinforcing rib is arranged on hollow mould shell.

Feature of the present invention also is on the structure base plate reinforcing rib is arranged.

Feature of the present invention also is in the cast-in-situ reinforced concrete main rib reinforcing bar is arranged, and reinforcing bar is cold-rolled forming section or channel-section steel or i shaped steel or other Steel section member, and reinforcing bar is implied in the Cast-in-place concrete main rib or with Cast-in-place concrete main rib soffit and flushes.

Feature of the present invention also be the cold-rolled forming section reinforcing bar be C type, L type, Type, U type, Type, II type.

The sleeve pipe that feature of the present invention also is to be reserved with the hole of penetration pipe on the hollow mould shell or is embedded with threading.

Feature of the present invention also is to accompany in the structure base plate presstressed reinforcing steel of stretch-draw or reinforcing bar or steel mesh reinforcement or gauze wire cloth or fibre, net, and the thickness of slab of structure base plate is greater than the wall thickness of hollow mould shell.

Feature of the present invention also is to be extended with simultaneously the structure base plate of cast-in-situ reinforced concrete time rib or hollow mould shell or both to be revealed muscle or reveals net.

Feature of the present invention is that also the position that hollow mould shell contacts with the structure base plate is interior puncture angle or evagination right angle.

Feature of the present invention is that also the surface of hollow mould shell is waveform or zigzag or plucking or other special-shaped rough surface.

Feature of the present invention is that also hollow mould shell is the back taper hollow mould shell.

Feature of the present invention is that also the structure base plate flushes with the lateral surface of hollow mould shell or stretches out the formation bridging piece, or interior puncture angle, stretch out and in contract partly for local or all, outer bridging piece and in its outer edge of back that contracts be straight line or curve or broken line.

Feature of the present invention is that also the structure base plate is porose reinforcing rib base plate.

Feature of the present invention is that also the structure base plate has the tightening position that pulls down that connects construction formwork to construct, and locating structure is draw ring, drag hook, iron wire or other device.

Feature of the present invention is that also hollow mould shell, structure base plate have the enhancing carcass, strengthening carcass is silk, muscle slender member, or the cloth and the net of silk, the braiding of muscle slender member or weaving, or the gluing cloth of nonwoven, net, or combination more than two kinds, enhancing carcass silk, muscle are crisscross unordered or orderly dispersed placement, and the rare close degree of silk, the muscle of braid, yarn fabric, nonwoven, tow or muscle bundle is identical or different.

Feature of the present invention is that also hollow mould shell, structure base plate or both are formed by stacking by muscle, net that multilayer is stained with cementitious material.

Feature of the present invention also is in the cavity of hollow mould shell partly or entirely filling or foamed plastic pasting, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool or glass wool.

Feature of the present invention is that also the profile horizontal profile after structure base plate and the cavity form assembly is shaped as square, rectangle, circle, hexagon, inequilateral octagon or other shape, or the horizontal profile shape has the above local concave or convex in a place at least, the shape of same Cavity structural member varying level section, be of a size of identical or differently, structure base plate plane shape and evacuated mould plate level section shape are identical or different.

Feature of the present invention is that also the appearance and size of Cavity structural member is ascending gradually changing; Rib width one end of the thickness of slab of structure base plate or cast-in-situ reinforced concrete time rib is relatively large, from large to small, carries out the transition to the other end gradually.

Feature of the present invention also be hollow mould shell and structure base plate ways of connecting for gluedly is connected, is welded to connect, screw connects, iron wire connects, cutting ferrule connection or other connection.

Feature of the present invention also is to be useful on the structure base plate location thing that is connected the location with hollow mould shell.

Feature of the present invention is that also the location thing on the structure base plate is locating piece, positioning strip, posting, locating slot, locating ring, reference column location iron wire, fastening screw.

Feature of the present invention is that also hollow mould shell is an outward flanging or to the hollow mould shell of in-flanges.

Feature of the present invention also is to be embedded with weldment with the relevant position of structure base plate, to be connected cutting ferrule or iron wire at hollow mould shell, perhaps is reserved with to connect to use hole.

Feature of the present invention also be the structure base plate be steel bar concrete, steel mesh reinforcement concrete, gauze wire cloth concrete, from stress steel bar concrete, polymer steel bar concrete or wire mesh mortar etc., the cementitious materials of hollow mould shell is cement, cement mortar, polymer cement, alkali slag cement, ground caustic coal ash cement, sulphate aluminium cement, ferrous aluminate cement, magnesia oxychloride cement, high alumina cement, organic resin glue or combinations thereof, and hollow mould shell, structure base plate are made with same material or different materials.

When feature of the present invention is that also the structure base plate is steel bar concrete, each composition material weight of its concrete is cement 15%-25%, sand 20%-30%, stone 40%-55%, UEA expansion agent 3%-5%, FDN high efficiency water reducing agent 0.1%-0.5%, PP fiber 0.01%-1%, CS early strength admixture 0.1%-0.5%, water is an amount of.

When feature of the present invention is that also the structure base plate is the wire mesh mortar moulding, each composition material weight of mortar is cement 20%-40%, sand 60%-70%, UEA expansion agent 3%-5%, the efficient composite water-reducing agent 0.1%-0.6% of XN, FC polypropylene complex emulsions 0-3%, CS early strength admixture 0.2%-0.5%, water is an amount of.

(4) description of drawings

Fig. 1 is the structural representation of embodiments of the invention 1, for 4 prefabricated hollow formworks (1) being arranged alternately on the same precast construction base plate (2), be formed with 2 cast-in-situ reinforced concretes time rib (5), and both is orthogonal.

Fig. 2 is the structural representation of embodiments of the invention 2, for 3 prefabricated hollow formworks (1) being arranged alternately on the same precast construction base plate (2), is formed with 2 parallel cast-in-situ reinforced concretes time rib (5).

Fig. 3 is the structural representation of embodiments of the invention 3, for protruding reinforcing rib (6) is downwards arranged on the hollow mould shell (1).

Fig. 4 is the structural representation of embodiments of the invention 4, for convex reinforcing rib (6) is arranged on the hollow mould shell (1).

Fig. 5 is the structural representation of embodiments of the invention 5, for reinforcing rib (6) is arranged on the structure base plate (2).

Fig. 6 is the structural representation of embodiments of the invention 6, on structure base plate (2) and the hollow mould shell (1) reinforcing rib (6) being arranged all.

Fig. 7 is the structural representation of embodiments of the invention 7, and for presstressed reinforcing steel or reinforcing bar (7) are arranged in the structure base plate (2), and the thickness of structure base plate (2) is greater than the wall thickness of hollow mould shell (1).

Fig. 8 is the structural representation of embodiments of the invention 8, reveals muscle (10) for structure base plate (2) is extended with.

Fig. 9 is the structural representation of embodiments of the invention 9, and the position that contacts with structure base plate (2) for hollow mould shell (1) is interior puncture angle (12).

Figure 10 is the structural representation of embodiments of the invention 10, and the position that contacts with structure base plate (2) for hollow mould shell (1) is interior puncture angle (12), and the structure base plate has dew net (11).

Figure 11 is the structural representation of embodiments of the invention 11, and the position that contacts with structure base plate (2) for hollow mould shell (1) is evagination right angle (13).

Figure 12 is the structural representation of embodiments of the invention 12, for the external surface of hollow mould shell (1) is the waveform rough surface.

Figure 13 is the structural representation of embodiments of the invention 13, for hollow mould shell (1) is the back taper hollow mould shell.

Figure 14 is the structural representation of embodiments of the invention 14, and the lateral surface 14 that stretches out hollow mould shell (1) for structure base plate (2) constitutes bridging piece (15), and its outer edge is the zigzag broken line.

Figure 15 is the structural representation of embodiments of the invention 15, is the reinforcing rib base plate of porose (17) for structure base plate (2).

Figure 16 is the structural representation of embodiments of the invention 16, and the drag hook type locating structure (18) of the downward tension that connects construction formwork is arranged for structure base plate (2).

Figure 17 is the structural representation of embodiments of the invention 17, all is filled with the situation of expanded perlite in the cavity (19) for hollow mould shell (1).

Figure 18 is the structural representation of embodiments of the invention 18, is the descending other end that carries out the transition to gradually of thickness of slab near the ascending structure base plate of appearance and size (2) of the Cavity structural member of beam.

Figure 19 is the structural representation of embodiments of the invention 19, for hollow mould shell (1) and structure base plate (2) for being welded to connect, and be embedded with weldment (21).

Figure 20 is the structural representation of embodiments of the invention 20, and for being useful on the location thing (20) that is connected the location with hollow mould shell (1) on the structure base plate (2), location thing (20) is a locating piece.

Figure 21 is the structural representation of embodiments of the invention 21, for the location thing (20) on the structure base plate (2) is a posting.

Figure 22 is the structural representation of embodiments of the invention 22, is the hollow mould shell (1) of outward flanging for hollow mould shell (1).

Figure 23 is the structural representation of embodiments of the invention 23, for hollow mould shell (1) and structure base plate (2) for cutting ferrule is connected, and be embedded with and connect cutting ferrule (22).

Figure 24 is the structural representation of embodiments of the invention 24, and for I shape reinforcing bar (25) is arranged in the cast-in-situ reinforced concrete main rib (3), and reinforcing bar (25) is implied in the cast-in-situ reinforced concrete main rib (3).

Figure 25 is the structural representation of embodiments of the invention 25, in the cast-in-situ reinforced concrete main rib (3) prestressed reinforcement being arranged.

Figure 26 is the structural representation of embodiments of the invention 26, for U type cold-rolled forming section reinforcing bar (25) is arranged in the cast-in-situ reinforced concrete main rib (3).

Figure 27 is the structural representation of embodiments of the invention 27, for the horizontal profile of hollow mould shell (1) is shaped as square, and the situation of partial, right angle shape indent is everywhere arranged.

Figure 28 is the structural representation of embodiments of the invention 28, is embedded with the situation of sleeve pipe (25) for hollow mould shell (1).

(5) specific embodiment

The invention will be further described below in conjunction with drawings and Examples.

The present invention as shown in drawings, include the shuttering member, the cast-in-situ reinforced concrete main rib (3) that link by formwork (1) and structure base plate (2), it is characterized in that also including cast-in-situ reinforced concrete upper plate (4), and on same precast construction base plate (2), include at least 2 prefabricated hollow formworks (1) alternately with at least one cast-in-situ reinforced concrete time rib (5), cast-in-situ reinforced concrete time rib (5) is superimposed each other with the sidewall of hollow mould shell (1), and cast-in-situ reinforced concrete main rib (3), cast-in-situ reinforced concrete time rib (5) constitute the staggered dark close rib structure of cover of storied building in space structure primary and secondary.Fig. 1 has 4 prefabricated hollow formworks (1) alternately on the same precast construction base plate (2), be formed with 2 cast-in-situ reinforced concretes time rib (5), and both is orthogonal.

Feature of the present invention is that also prestressed reinforcement (24) is arranged in the cast-in-situ reinforced concrete main rib.Figure 25 has prestressed reinforcement in the cast-in-situ reinforced concrete main rib (3).This kind superstructure more is applicable to longspan structure.

Feature of the present invention is that also cast-in-situ reinforced concrete time rib (5) has two when above, their parallel each other or quadrature or obliques.Fig. 1 has two cast-in-situ reinforced concretes time rib (5), and parallel each other.Fig. 2 has 3 prefabricated hollow formworks (1) alternately on the same precast construction base plate (2), is formed with 2 parallel cast-in-situ reinforced concretes time rib (5).

Feature of the present invention is that also reinforcing rib (6) is arranged on hollow mould shell (1).Fig. 3 has protruding reinforcing rib (6) downwards on the hollow mould shell (1).Fig. 4 has convex reinforcing rib (6) on the hollow mould shell (1).Reinforcing rib (16) has increased the intensity and the rigidity of hollow mould shell (1).

Feature of the present invention is that also reinforcing rib (6) is arranged on the structure base plate (2).Fig. 5 has reinforcing rib (6) on the structure base plate (2).Fig. 6 is for all having reinforcing rib (6) on structure base plate (2) and the hollow mould shell (1).Because reinforcing rib (6) is arranged, the strength and stiffness of member strengthen, and more help member and participate in the stressed of superstructure.

Feature of the present invention is that also reinforcing bar (23) is arranged in cast-in-situ reinforced concrete main rib (3), reinforcing bar (23) is cold-rolled forming section or channel-section steel or i shaped steel or other Steel section member, and reinforcing bar (23) is implied in the Cast-in-place concrete main rib or with Cast-in-place concrete main rib soffit and flushes.Figure 24 has I shape reinforcing bar (23) in the cast-in-situ reinforced concrete main rib (3), and reinforcing bar (23) is implied in the cast-in-situ reinforced concrete main rib (3).This kind superstructure is applicable to longspan structure.

Feature of the present invention also be cold-rolled forming section reinforcing bar (23) for C type, L type, Type, U type, Type, II type.Figure 26 has U type cold-rolled forming section reinforcing bar (23) in the cast-in-situ reinforced concrete main rib (3).

The sleeve pipe (25) that feature of the present invention also is to be reserved with the hole of penetration pipe on the hollow mould shell (1) or is embedded with threading.Figure 28 is the situation that hollow mould shell (1) is embedded with sleeve pipe (25).

Feature of the present invention also is to accompany in the structure base plate (2) presstressed reinforcing steel of stretch-draw or reinforcing bar (7) or steel mesh reinforcement (8) or gauze wire cloth (9) or fibre, net, and the thickness of slab of structure base plate (2) is greater than the wall thickness of hollow mould shell (1).Fig. 7 has presstressed reinforcing steel or reinforcing bar (7) in the structure base plate (2), and the thickness of structure base plate (2) is greater than the wall thickness of hollow mould shell (1).The strength and stiffness of this spline structure base plate are strengthened greatly, can effectively prevent base plate (2) cracking, and can hang object such as various pipes, line and do not crack.

Feature of the present invention also is to be extended with simultaneously the structure base plate (2) of cast-in-situ reinforced concrete time rib (5) or hollow mould shell (1) or both to be revealed muscle (10) or reveals net (11).Fig. 8 reveals muscle (10) for structure base plate (2) is extended with, can bond with cast-in-situ reinforced concrete main rib (3) preferably like this, prevents from effectively to crack and possible coming off between structure base plate (2) and the cast-in-situ reinforced concrete main rib (3).

Feature of the present invention is that also the position that hollow mould shell (1) contacts with structure base plate (2) is interior puncture angle (12) or evagination right angle (13).Fig. 9 is that the position that hollow mould shell (1) contacts with structure base plate (2) is interior puncture angle (12).Figure 10 is that the position that hollow mould shell (1) contacts with structure base plate (2) is interior puncture angle (12), and the structure base plate has dew net (11).Owing to interior puncture angle (12) is arranged, goes up at structure base plate (2) like this and form the reinforcing rib that inverted T shape pastes the end.Figure 11 is that the position that hollow mould shell (1) contacts with structure base plate (2) is evagination right angle (13).This situation mainly is that superstructure adopts this member when thicker, can reduce the height of cast-in-situ reinforced concrete time rib (5), and weight reduction reduces cost.

Feature of the present invention is that also the surface of hollow mould shell (1) is waveform or zigzag or plucking or other special-shaped rough surface.Figure 12 is that the external surface of hollow mould shell (1) is the waveform rough surface.Can increase the adhesion stress between hollow mould shell (1) and the Cast-in-place concrete like this, make Cavity structural member participate in the stressed of superstructure better.

Feature of the present invention is that also hollow mould shell (1) is the back taper hollow mould shell.Figure 13 is that hollow mould shell (1) is the back taper hollow mould shell.Energy increases the adhesive surface with Cast-in-place concrete, suppresses effectively to crack and possible coming off between member and the Cast-in-place concrete main rib (3).

Feature of the present invention is also that structure base plate (2) flushes with the lateral surface (14) of hollow mould shell (1) or stretches out and constitutes bridging piece (15), or interior puncture angle (16), stretch out and in contract partly for local or all, outer bridging piece (15) and in contract after its outer edge be straight line or curve or broken line.Figure 14 constitutes bridging piece (15) for the lateral surface 14 that structure base plate (2) stretches out hollow mould shell (1), and its outer edge is the zigzag broken line.Outer like this bridging piece (15) can replace the soffit formwork of cast-in-situ reinforced concrete main rib (3).Fig. 9, Figure 10 are the situation at interior puncture angle (16), can form the bottom of the cast-in-situ reinforced concrete main rib (3) that strengthens, and effectively suppress crackle and prevent that member from coming off.

Feature of the present invention also is the reinforcing rib base plate of structure base plate (2) for porose (17).To be structure base plate (2) be the reinforcing rib base plate of porose (17) to Figure 15, is applicable to the occasion of ornamental, sound insulation, noise elimination.

Feature of the present invention is that also structure base plate (2) has the tightening position that pulls down that connects construction formwork to construct (18), and locating structure (18) is draw ring, drag hook, iron wire or other device.Figure 16 connects the drag hook type locating structure (18) of the downward tension of construction formwork for structure base plate (2) has, Cavity structural member come-up when preventing the concrete cast.

Feature of the present invention is that also hollow mould shell (1), structure base plate (2) have the enhancing carcass, strengthening carcass is silk, muscle slender member, or the cloth and the net of silk, the braiding of muscle slender member or weaving, or the gluing cloth of nonwoven, net, or combination more than two kinds, enhancing carcass silk, muscle are crisscross unordered or orderly dispersed placement, and the rare close degree of silk, the muscle of braid, yarn fabric, nonwoven, tow or muscle bundle is identical or different.

Feature of the present invention is that also hollow mould shell (1), structure base plate (2) or both are formed by stacking by muscle, net that multilayer is stained with cementitious material.

Feature of the present invention also is in the cavity of hollow mould shell (1) (19) partly or entirely filling or foamed plastic pasting, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool or glass wool.Figure 17 is the situation that all is filled with expanded perlite in the cavity (19) of hollow mould shell (1).The insulation of floor structure like this, heat-proof quality are better.

Feature of the present invention is that also the profile horizontal profile after structure base plate (2) and cavity template (1) make up is shaped as square, rectangle, circle, hexagon, inequilateral octagon or other shape, or the horizontal profile shape has the above local concave or convex in a place at least, the shape of same Cavity structural member varying level section, be of a size of identical or differently, structure base plate (2) flat shape and cavity template (1) horizontal profile shape are identical or different.Figure 1 shows that square.Figure 2 shows that rectangle.Figure 27 is that the horizontal profile of hollow mould shell (1) is shaped as square, and the situation of partial, right angle shape indent is everywhere arranged.

Feature of the present invention is that also the appearance and size of Cavity structural member is ascending gradually changing; Rib width one end of the thickness of slab of structure base plate (2) or cast-in-situ reinforced concrete time rib (5) is relatively large, from large to small, carries out the transition to the other end gradually.Figure 18 is ascending near the appearance and size of the Cavity structural member of beam, and the thickness of slab of structure base plate (2) is descending, carries out the transition to the other end gradually.Can effectively increase near the cast-in-situ reinforced concrete thickness of beam like this, improve stress performance.

Feature of the present invention also be hollow mould shell (1) and structure base plate (2) ways of connecting for gluedly is connected, is welded to connect, screw connects, iron wire connects, cutting ferrule connection or other connection.Fig. 1 to Figure 18 is glued the connection.Figure 19 be hollow mould shell (1) with structure base plate (2) for being welded to connect, and be embedded with weldment (21).

Feature of the present invention also is to be useful on the structure base plate (2) the location thing (20) that is connected the location with hollow mould shell (1).Figure 20 is for being useful on the location thing (20) that is connected the location with hollow mould shell (1) on the structure base plate (2), location thing (20) is a locating piece.Produce with construction more convenient like this.

Feature of the present invention is that also the location thing (20) on the structure base plate (2) is locating piece, positioning strip, posting, locating slot, locating ring, reference column location iron wire, fastening screw.Location thing (20) shown in Figure 20 is a locating piece.Figure 21 is that the location thing (20) on the structure base plate (2) is a posting.

Feature of the present invention is that also hollow mould shell (1) is for outward flanging or to the hollow mould shell (1) of in-flanges.Figure 22 is that hollow mould shell (1) is the hollow mould shell of outward flanging (1).

Feature of the present invention also is to be embedded with weldment (21), to be connected cutting ferrule (22) or iron wire with the relevant position of structure base plate (2) at hollow mould shell (1), perhaps is reserved with to connect to use hole.Being connected to of Figure 19 to Figure 22 is welded to connect, and is embedded with weldment (21).Figure 23 be hollow mould shell (1) with structure base plate (2) for cutting ferrule is connected, and be embedded with and connect cutting ferrule (22).When for be welded to connect, during mode such as cutting ferrule connection, iron wire connection, structure base plate (2) both can connect in factory with hollow mould shell (1), also can connect at the construction field (site) again, can determine according to actual conditions.

Feature of the present invention is that also structure base plate (2) is for steel bar concrete, steel mesh reinforcement concrete, gauze wire cloth concrete, from stress steel bar concrete, polymer steel bar concrete or wire mesh mortar etc., the cementitious materials of hollow mould shell (1) is cement, cement mortar, polymer cement, alkali slag cement, ground caustic coal ash cement, sulphate aluminium cement, ferrous aluminate cement, magnesia oxychloride cement, high alumina cement, organic resin glue or combinations thereof, and hollow mould shell (1), structure base plate (2) are made with same material or different materials.

When feature of the present invention also is structure base plate (2) for steel bar concrete, each composition material weight of its concrete is cement 15%-25%, sand 20%-30%, stone 40%-55%, UEA expansion agent 3%-5%, FDN high efficiency water reducing agent 0.1%-0.5%, PP fiber 0.01%-1%, CS early strength admixture 0.1%-0.5%, water is an amount of.

When feature of the present invention also is structure base plate (2) for the wire mesh mortar moulding, each composition material weight of mortar is cement 20%-40%, sand 60%-70%, UEA expansion agent 3%-5%, the efficient composite water-reducing agent 0.1%-0.6% of XN, FC polypropylene complex emulsions 0-3%, CS early strength admixture 0.2%-0.5%, water is an amount of.

During the invention process, earlier that Cavity structural member is prefabricated, to the job site Cavity structural member is placed on the bracing frame, tie the reinforcing bar of cast-in-situ reinforced concrete main rib (3) and cast-in-situ reinforced concrete upper plate (4), build concrete, treat behind the concrete setting and harden that maintenance to regulation length of time, removes bracing frame and get final product.

Claims (27)

1, a kind of cover of storied building in space structure, include the shuttering member, the cast-in-situ reinforced concrete main rib (3) that link by formwork (1) and structure base plate (2), it is characterized in that also including cast-in-situ reinforced concrete upper plate (4), and on same precast construction base plate (2), include at least 2 prefabricated hollow formworks (1) alternately with at least one cast-in-situ reinforced concrete time rib (5), cast-in-situ reinforced concrete time rib (5) is superimposed each other with the sidewall of hollow mould shell (1), and cast-in-situ reinforced concrete main rib (3), cast-in-situ reinforced concrete time rib (5) constitute the staggered dark close rib structure of cover of storied building in space structure primary and secondary.
2, a kind of cover of storied building in space structure according to claim 1 is characterized in that prestressed reinforcement (24) is arranged in the cast-in-situ reinforced concrete main rib.
3, a kind of cover of storied building in space structure according to claim 1 is characterized in that cast-in-situ reinforced concrete time rib (5) has two when above, their parallel each other or quadrature or obliques.
4,, it is characterized in that reinforcing rib (6) is arranged on hollow mould shell (1) according to claim 1 or 3 described a kind of cover of storied building in space structure.
5,, it is characterized in that reinforcing rib (6) is arranged on the structure base plate (2) according to claim 1 or 3 described a kind of cover of storied building in space structure.
6, a kind of cover of storied building in space structure according to claim 4 is characterized in that reinforcing rib (6) is arranged on the structure base plate (2).
7, according to claim 1 or 2 described a kind of cover of storied building in space structure, it is characterized in that reinforcing bar (23) is arranged in cast-in-situ reinforced concrete main rib (3), reinforcing bar (23) is cold-rolled forming section or channel-section steel or i shaped steel or other Steel section member, and reinforcing bar (23) is implied in the Cast-in-place concrete main rib or with Cast-in-place concrete main rib soffit and flushes.
8, a kind of cover of storied building in space structure according to claim 7, it is characterized in that cold-rolled forming section reinforcing bar (23) for C type, L type, Type, U type, Type, II type.
9, according to claim 1 or 3 described a kind of cover of storied building in space structure, the sleeve pipe (25) that it is characterized in that being reserved with the hole of penetration pipe on the hollow mould shell (1) or be embedded with threading.
10, according to claim 1 or 3 described a kind of cover of storied building in space structure, it is characterized in that accompanying in the structure base plate (2) presstressed reinforcing steel of stretch-draw or reinforcing bar (7), steel mesh reinforcement (8) or gauze wire cloth (9) or fibre, net, and the thickness of slab of structure base plate (2) is greater than the wall thickness of hollow mould shell (1).
11, a kind of cover of storied building in space structure according to claim 10 is characterized in that being extended with simultaneously the structure base plate (2) of cast-in-situ reinforced concrete time rib (5) or hollow mould shell (1) or both and reveals muscle (10) or reveal net (11).
12,, it is characterized in that the position that hollow mould shell (1) contacts with structure base plate (2) is interior puncture angle (12) or evagination right angle (13) according to claim 1 or 3 described a kind of cover of storied building in space structure.
13, according to claim 1 or 3 described a kind of cover of storied building in space structure, the surface that it is characterized in that hollow mould shell (1) is waveform or zigzag or plucking or other special-shaped rough surface.
14,, it is characterized in that hollow mould shell (1) is the back taper hollow mould shell according to claim 1 or 3 described a kind of cover of storied building in space structure.
15, according to claim 1 or 3 described a kind of cover of storied building in space structure, it is characterized in that structure base plate (2) flushes with the lateral surface (14) of hollow mould shell (1) or stretches out constitutes bridging piece (15), or interior puncture angle (16), stretch out and in contract partly for local or all, outer bridging piece (15) and in contract after its outer edge be straight line or curve or broken line.
16, a kind of cover of storied building in space structure according to claim 15 is characterized in that the reinforcing rib base plate of structure base plate (2) for porose (17).
17, according to claim 1 or 3 described a kind of cover of storied building in space structure, it is characterized in that structure base plate (2) has the tightening position that pulls down that connects construction formwork to construct (18), locating structure (18) is draw ring, drag hook, iron wire or other device.
18, according to claim 1 or 3 described a kind of cover of storied building in space structure, it is characterized in that hollow mould shell (1), structure base plate (2) have the enhancing carcass, strengthening carcass is silk, muscle slender member, or the cloth and the net of silk, the braiding of muscle slender member or weaving, or the gluing cloth of nonwoven, net, or combination more than two kinds, enhancing carcass silk, muscle are crisscross unordered or orderly dispersed placement, the rare close degree of silk, the muscle of braid, yarn fabric, nonwoven, tow or muscle bundle is identical or different.
19,, it is characterized in that hollow mould shell (1), structure base plate (2) or both are formed by stacking by muscle, net that multilayer is stained with cementitious material according to claim 1 or 3 described a kind of cover of storied building in space structure.
20,, it is characterized in that in the cavity (19) of hollow mould shell (1) partly or entirely filling or foamed plastic pasting, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool or glass wool according to claim 1 or 3 described a kind of cover of storied building in space structure.
21, according to claim 1 or 3 described a kind of cover of storied building in space structure, it is characterized in that the profile horizontal profile after structure base plate (2) and cavity template (1) make up is shaped as square, rectangle, circle, hexagon, inequilateral octagon or other shape, or the horizontal profile shape has the above local concave or convex in a place at least, the shape of same Cavity structural member varying level section, be of a size of identical or differently, structure base plate (2) flat shape and cavity template (1) horizontal profile shape are identical or different.
22, according to claim 1 or 3 described a kind of cover of storied building in space structure, the appearance and size that it is characterized in that Cavity structural member is ascending gradually changing; Rib width one end of the thickness of slab of structure base plate (2) or cast-in-situ reinforced concrete time rib (5) is relatively large, from large to small, carries out the transition to the other end gradually.
23, according to claim 1 or 3 described a kind of cover of storied building in space structure, it is characterized in that hollow mould shell (1) and structure base plate (2) ways of connecting for gluedly is connected, is welded to connect, screw connects, iron wire connects, cutting ferrule connection or other connection.
24, a kind of cover of storied building in space structure according to claim 23 is characterized in that being useful on the structure base plate (2) the location thing (20) that is connected the location with hollow mould shell (1).
25, a kind of cover of storied building in space structure according to claim 24 is characterized in that the location thing (20) on the structure base plate (2) is locating piece, positioning strip, posting, locating slot, locating ring, reference column location iron wire, fastening screw.
26, a kind of cover of storied building in space structure according to claim 25 is characterized in that hollow mould shell (1) is for outward flanging or to the hollow mould shell (1) of in-flanges.
27, a kind of cover of storied building in space structure according to claim 23 is characterized in that being embedded with weldment (21), being connected cutting ferrule (22) or iron wire with the relevant position of structure base plate (2) at hollow mould shell (1), perhaps is reserved with to connect to use hole.
CN 01139993 2001-11-23 2001-11-23 Floor with space structure CN1116485C (en)

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