CN102720272B - Embedded column type prefabricated part connection node and manufacturing method thereof - Google Patents

Embedded column type prefabricated part connection node and manufacturing method thereof Download PDF

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Publication number
CN102720272B
CN102720272B CN201210219082.XA CN201210219082A CN102720272B CN 102720272 B CN102720272 B CN 102720272B CN 201210219082 A CN201210219082 A CN 201210219082A CN 102720272 B CN102720272 B CN 102720272B
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prefabricated units
node
groove
hole
prefabricated
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CN201210219082.XA
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Chinese (zh)
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CN102720272A (en
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初明进
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初明进
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Abstract

The invention provides an embedded column type prefabricated part connection node and a manufacturing method thereof and belongs to the technical field of a building structure. The node comprises a hooping and post-poured concrete; prefabricated concrete parts with grooves are connected to form a whole body; the prefabricated concrete parts with the grooves are provided with vertical holes which are parallel to the surface; transverse grooves which are crossed with the vertical holes at the outer sides are arranged at the vertical edges at intervals; the transverse grooves of the prefabricated parts at the two sides of the node are oppositely arranged; the hooping is arranged in a space formed by the transverse grooves at the two sides of the node; the embedded column type node is formed by pouring concrete into the transverse grooves and the vertical holes at the outer sides of the prefabricated parts; when vertical steel bars are arranged in the vertical holes at the outer sides of the prefabricated parts, a framework is formed by the vertical steel bars and the hooping; and the embedded column type node is formed by pouring the concrete into the transverse grooves and the vertical holes at the outer sides of the prefabricated parts. The manufacturing method disclosed by the invention comprises the following steps of: transporting the prefabricated concrete parts with the grooves, which are prefabricated in a factory, into a field to be mounted, so that the grooves of the adjacent prefabricated parts are oppositely arranged; arranging the hooping in the groves; and forming the embedded column type node by pouring the concrete into the transverse grooves of the prefabricated parts and the vertical holes at the outer sides. According to the invention, the integrity of assembling an integral concrete structure can be improved, the performance of a building structure is improved and the industrial development of a building is accelerated.

Description

Sleeper formula prefabricated units connected node and preparation method

Technical field

The invention belongs to building structure technology field, relate in particular to a kind of sleeper formula prefabricated units connected node and preparation method for fabricated assembly overall concrete structure.

Background technology

Precast concrete is to be applicable to industrialized form of structure, is the direction of housing industrialization development.Joint's connection fabrication in precast concrete between prefabricated units has determined integrality performance of the structure.Existing precast concrete node is generally the weak link of assembled monolithic concrete structure, has affected stress performance, and structure is more complicated, and operational phase is easy to cracking affects performance.

Summary of the invention

The present invention solves seam between traditional precast concrete prefabricated units and connects weak deficiency, and a kind of sleeper formula prefabricated units connected node and preparation method are provided.The sleeper formula prefabricated units connected node that the present invention proposes can improve the globality of assembled monolithic concrete structure, improves the performance of building structure.

The precast unit with groove is connected into space structure system by the sleeper formula prefabricated units connected node that the present invention proposes, the described precast unit with groove comprises precast concrete flat board, T shape wall column, L shaped wall column, cross wall column and has the prefabricated panel at hole etc., and the wallboard that wherein has hole is made up of hole, top, hole coupling beam, both sides, hole body of wall.Have the longitudinal hole parallel with surface with the precast unit of groove, comprise that hole cross section is for circular, square or other shapes; There is certain distance the longitudinal hole of outermost outside with precast plate edge (being precast plate side), or the two tangent (when circular hole), overlap (when square hole), or precast plate edge overlap with the secant face of the longitudinal hole of outermost (when circular hole).The longitudinal edge interval of member arranges transverse concave groove, crossing with the longitudinal hole in outside of member.In precast reinforced concrete structure, arrange steel mesh reinforcement, comprise longitudinal reinforcement, lateral tie etc.Sleeper formula prefabricated units connected node comprises stirrup and rear pouring concrete; By the transverse concave groove positioned opposite of the precast unit of node both sides band groove, form a space, stirrup is arranged in this space; The diameter of transverse concave groove position, everywhere stirrup and quantity are determined according to stressing conditions.Described stirrup both can be arranged at the construction field (site), also can, by the pre-buried U-shaped reinforcing bar in the groove position of node both sides prefabricated units, both sides U-shaped reinforcing bar be combined to the effect of performance stirrup.In the longitudinal hole in the outside of node both sides prefabricated units, configure longitudinal reinforcement, through described stirrup, form skeleton together with stirrup colligation, finally in the longitudinal hole of transverse concave groove and prefabricated units outside, concreting forms sleeper formula node.When the length that stretches into prefabricated units groove when stressed less or described stirrup meets anchoring and requires, sleeper formula prefabricated units connected node can not arrange vertical muscle.In some structures, available shaped steel, light gauge cold-formed steel shape replace vertical muscle.

The bearing system of body of wall load-carrying members (for example shear wall structure) is generally by plane body of wall, floor, the compositions such as L-type, T-shaped, cross node and hole, corresponding overall structure can be decomposed into the unit such as flat board, T-shaped wall column, L wall column, cross wall column and band hole member; After being prefabricated in the factory, each unit can form fabricated construction to Assembling.The sleeper formula prefabricated units connected node that adopts the present invention to propose can ensure the globality between assembly unit, improves structural performance.

The sleeper formula prefabricated units connected node that the present invention proposes can be used for the connection between assembly unit in assembled integral shear wall structure, frame shear wall structure, tubular construction etc., also can be used for the connection between assembly unit in the prefabricated reinforced concrete body of wall loadbearing member such as outer wall of basement, material storage container sidewall.

The preparation method of sleeper formula prefabricated units connected node, is characterized in that, comprises the following steps:

(1) prefabricate precast unit with groove is transported to scene and installs, the groove positioned opposite of adjacent prefabricated units;

(2) in the space being formed by the groove of node both sides prefabricated units, stirrup is set, when on prefabricated units when pre-buried U-shaped reinforcing bar, is combined into stirrup by U-shaped reinforcing bar;

(3) in the longitudinal hole of prefabricated units transverse concave groove and outside, concreting forms sleeper formula prefabricated units connected node.

The preparation method of sleeper formula prefabricated units connected node, when arrange reinforcing bar in longitudinal hole time, is characterized in that, comprises the following steps:

(1) prefabricate precast unit with groove is transported to scene and installs, the groove positioned opposite of adjacent prefabricated units;

(2) in the space being formed by the groove of node both sides prefabricated units, stirrup is set, when on prefabricated units when pre-buried U-shaped reinforcing bar, is combined into stirrup by U-shaped reinforcing bar;

(3) longitudinally in hole, arrange longitudinal reinforcement in prefabricated units outside, through the stirrup in groove, form cage of reinforcement together with stirrup colligation;

(4) in the longitudinal hole of prefabricated units transverse concave groove and outside, concreting forms sleeper formula prefabricated units connected node.

Sleeper formula prefabricated units connected node links together the precast unit with groove, and precast unit manufacturing process comprises the following steps:

(1-1) on precast plate production site, adopt bed die, backform, side form and Duo Gen make template for steel pipe (round steel pipe, the square steel pipe etc.) internal mold of making preformed hole; Wherein, side form concaves at interval of certain distance, has the hole identical with steel pipe geomery on backform;

(1-2) side form, backform and bed die are combined, arranged steel mesh reinforcement, the hole by many steel pipes through a side backform, through the gap of steel mesh reinforcement, through the hole of opposite side backform; End and the steel pipe of side form female parts fit together;

(1-3) concreting in the space of side form, backform and bed die composition was extracted steel pipe out and is formed longitudinal perforated holes before hardening of concrete;

(1-4) treat that concrete reaches expection intensity and removes bed die, backform, side form, forms the precast reinforced concrete structure with groove.

Technical characterstic of the present invention and advantage.

(1) simple structure, easy construction: sleeper formula prefabricated units connected node is by stirrup is set in groove, simple structure, easy construction.

(2) standardization level is high: stirrup and the vertical muscle of sleeper formula prefabricated units connected node can adopt standard component, and standardization level is high.

(3) connect reliable: the lateral tie overlap joint in stirrup and the prefabricated units of sleeper formula prefabricated units connected node, form sleeper together with longitudinal reinforcement in longitudinal hole and rear pouring concrete, ensure that body of wall is stressed continuously, connect reliably.

Brief description of the drawings

Fig. 1 is sleeper formula prefabricated units connected node embodiment schematic diagram of the present invention;

Fig. 2 is the schematic cross-section in Fig. 1, and stirrup is situ configuration;

Fig. 3 is the schematic cross-section in Fig. 1, and stirrup is made up of pre-buried U-shaped reinforcing bar;

Prefabricated planar plate members schematic diagram in Fig. 4 embodiments of the invention;

Fig. 5 is the schematic cross-section in Fig. 4;

Prefabricated planar plate members schematic diagram in Fig. 6 embodiments of the invention, the pre-buried U-shaped reinforcing bar in groove position;

Fig. 7 is the schematic cross-section in Fig. 6;

Fig. 8 is the prefabricated units schematic diagram in embodiments of the invention, and transverse concave groove retains concrete in a side of precast plate;

Fig. 9 is the schematic cross-section in Fig. 8;

Figure 10 is the prefabricated T shape wall column component schematic diagram in embodiments of the invention;

Figure 11 is the prefabricated L shaped wall column component schematic diagram in embodiments of the invention;

Figure 12 is the prefabricated cross wall column component schematic diagram in embodiments of the invention;

Figure 13 is the prefabricated band hole wall body construction schematic diagram in embodiments of the invention.

Figure 14 is the prefabricated units schematic diagram with side column in embodiments of the invention.

Figure 15 is the precast beam unit schematic diagram in embodiments of the invention.

Figure 16 is the beam support place precast wall body member schematic diagram in embodiments of the invention.

Detailed description of the invention

Fig. 1, Fig. 2 are sleeper formula prefabricated units connected node embodiment schematic diagrames of the present invention, and stirrup is situ configuration, and the longitudinal edge of prefabricated units 11 is arranged transverse concave groove 12, with projection 13 interlaced arrangement; Prefabricated units 11 have longitudinal hole 14, crossing with transverse concave groove 12 near the hole of longitudinal edge; Transverse concave groove 12 positioned opposite of node both sides form a space, and the stirrup 15 of situ configuration is arranged at wherein; Vertical muscle 16 is arranged in longitudinal hole, through stirrup 15, forms cage of reinforcement (in the time that stressed length less or that described stirrup 15 stretches into prefabricated units groove meets anchoring and requires, vertical muscle 16 can be set) with stirrup 15; Rear pouring concrete is filled in member outside longitudinally in the space between groove and the prefabricated units of hole, prefabricated units.

The preparation method of sleeper formula prefabricated units connected node, comprises the following steps:

1) prefabricate precast unit 11 with groove is transported to scene and installs, groove 12 positioned opposite of adjacent prefabricated units 11;

2) in the space being formed by the groove 12 of node both sides prefabricated units, stirrup 15 is set, stirrup quantity and diameter are determined according to stressing conditions;

3) longitudinally in hole, arrange longitudinal reinforcement 16 in prefabricated units outside, with together with stirrup 15 colligations in groove, form cage of reinforcement (in the time that stressed length less or that described stirrup 15 stretches into prefabricated units groove meets anchoring and requires, vertical muscle 16 can be set);

4) in the longitudinal hole of prefabricated units transverse concave groove and outside, concreting 17 forms sleeper formula prefabricated units connected node.

Fig. 1, Fig. 3 are sleeper formula prefabricated units connected node embodiment schematic diagrames of the present invention, and stirrup is made up of pre-buried U-shaped reinforcing bar; The longitudinal edge of prefabricated units 11 is arranged transverse concave groove 12, with projection 13 interlaced arrangement; Prefabricated units 11 have longitudinal hole 14, crossing with transverse concave groove 12 near the hole of longitudinal edge; The transverse concave groove 12 pre-buried U-shaped reinforcing bars 18 in place, the U-shaped reinforcing bar 18 of node both sides is combined the effect of performance stirrup; Vertical muscle 16 is arranged in longitudinal hole, through U-shaped reinforcing bar, with U-shaped reinforcing bar composition cage of reinforcement; Rear pouring concrete is filled in member outside longitudinally in the space between groove and the prefabricated units of hole, prefabricated units.

Prefabricated planar plate members schematic diagram in embodiments of the invention is as Fig. 4, Fig. 5; Dull and stereotyped 41 longitudinal edge is arranged transverse concave groove 42, with projection 43 interlaced arrangement; Dull and stereotyped 41 have several longitudinal holes 44, crossing with transverse concave groove 42 near the hole of longitudinal edge; On dull and stereotyped 41, be provided with suspension ring 45 are installed.

Prefabricated planar plate members schematic diagram in embodiments of the invention is as Fig. 6, Fig. 7, the pre-buried U-shaped reinforcing bar 6 at transverse concave groove position.

Can also make groove one side according to above-mentioned similar method and retain concrete prefabricated planar plate members, as Fig. 8, Fig. 9; Transverse concave groove 82 and projection 83,82 and 83 interlaced arrangement that dull and stereotyped 81 longitudinal edge is arranged, wherein a side of transverse concave groove 82 retains concrete slab 84; Dull and stereotyped 81 have several longitudinal holes 85, crossing with transverse concave groove 82 near the hole of longitudinal edge; On dull and stereotyped 81, be provided with suspension ring 86 are installed.

As shown in figure 10, the longitudinal edge of T shape wall column component 101 is arranged transverse concave groove 102 (at least one longitudinal edge is arranged transverse concave groove) to prefabricated T shape wall column component schematic diagram in embodiments of the invention, with projection 103 interlaced arrangement of longitudinal edge; T shape wall column component 101 has several longitudinal holes 104, crossing with transverse concave groove 102 near the hole of longitudinal edge; On T shape wall column component 101, be provided with suspension ring 105 are installed.

As shown in figure 11, the longitudinal edge of L shaped wall column component 111 is arranged transverse concave groove 112 (at least one longitudinal edge is arranged transverse concave groove) and projection 113,112 and 113 interlaced arrangement to prefabricated L shaped wall column component schematic diagram in embodiments of the invention; Wall column component 111 has several longitudinal holes 114, crossing with transverse concave groove 112 near the hole of longitudinal edge; On wall column component 111, be provided with suspension ring 115 are installed.

Prefabricated cross wall column component schematic diagram in embodiments of the invention as shown in figure 12, the longitudinal edge of cross wall column component 121 is arranged transverse concave groove 122 (at least one longitudinal edge is arranged transverse concave groove) and projection 123,122 and 123 interlaced arrangement; Wall column component 121 has several longitudinal holes 124, crossing with transverse concave groove 122 near the hole of longitudinal edge; On wall column component 121, be provided with suspension ring 125 are installed.

Groove one side be can also make according to above-mentioned similar method and concrete prefabricated L shaped, T shape and cross wall column component retained, and at prefabricated L shaped, T shape and the cross wall column component of the pre-buried U-shaped reinforcing bar in transverse concave groove position.

Prefabricated band hole wall body construction in embodiments of the invention is shown in Figure 13, and the longitudinal edge with hole member 131 is arranged transverse concave groove 132 and projection 133,132 and 133 interlaced arrangement; Member 131 has several and runs through longitudinal hole 134, crossing with transverse concave groove 132 near the hole of longitudinal edge; Top, hole coupling beam has some vertical holes 135 that do not run through, and at the bottom of hole, is generally not less than 20mm apart from external surface; Bottom, hole body of wall (in the time having door opening on body of wall, there is no this part body of wall) has some vertical holes 136 that run through; On member 131, be provided with suspension ring 137 are installed.

Prefabricated band side column wall body construction in embodiments of the invention is shown in Figure 14, comprises prefabricated panel 142 and side column 143, and the longitudinal edge 142 is arranged transverse concave groove 144 and projection 145,144 and 145 interlaced arrangement; Wallboard 142 has several and runs through longitudinal hole 146, crossing with transverse concave groove 144 near the hole of longitudinal edge; On band side column wall body construction 141, be provided with suspension ring 147 are installed.

Precast beam unit in embodiments of the invention is shown in Figure 15, and beam 151 is arranged transverse concave groove 152 and projection 153,152 and 153 interlaced arrangement in end; Beam 151 has several near end and runs through longitudinal hole 154, crossing with transverse concave groove 152 near the hole of beam-ends; Beam 151 middle parts have some vertical holes 155 that do not run through, and at the bottom of hole, are generally not less than 20mm apart from external surface; On beam 151, be provided with suspension ring 156 are installed.

Figure 16 is shown in by beam support place prefabricated units in embodiments of the invention, and prefabricated units 161 are arranged transverse concave groove 162 and projection 163,162 and 163 interlaced arrangement at longitudinal edge; Member 161 has several and runs through longitudinal hole 164, crossing with transverse concave groove 162 near the hole of longitudinal edge; Member 161 receives 165 in beam support position; On member 161, be provided with suspension ring 166 are installed.

Groove one side be can also make according to above-mentioned similar method and concrete prefabricated band hole member, precast beam unit etc. retained, and at the prefabricated band hole of the pre-buried U-shaped reinforcing bar in transverse concave groove position member, precast beam unit etc.

Claims (7)

1. sleeper formula prefabricated units connected node, comprises stirrup and rear pouring concrete, and the precast unit with groove is connected into entirety; It is characterized in that the described precast unit with groove has the longitudinal hole parallel with surface, longitudinal edge interval arranges the transverse concave groove crossing with the longitudinal hole in outside; The transverse concave groove positioned opposite of node both sides prefabricated units, described stirrup is arranged in the space of node both sides transverse concave groove formation, and in the longitudinal hole of transverse concave groove and prefabricated units outside, concreting forms sleeper formula node; When in the time that the longitudinal hole in the outside of prefabricated units is arranged longitudinal reinforcement, vertical muscle and described stirrup form skeleton, and concreting longitudinally forms sleeper formula node in hole at transverse concave groove and prefabricated units outside.
2. prefabricated units connected node according to claim 1, is characterized in that described stirrup is that job site is configured in transverse concave groove position.
3. prefabricated units connected node according to claim 1, is characterized in that described stirrup is made up of the U-shaped reinforcing bar that is embedded in prefabricated units transverse concave groove position.
4. prefabricated units connected node according to claim 1, it is characterized in that, the precast unit with groove of node both sides comprises precast concrete flat board, T shape wall column, L shaped wall column, cross wall column and has the prefabricated panel element type at hole, and the cage of reinforcement in prefabricated units comprises multiple lateral ties.
5. the preparation method of sleeper formula prefabricated units connected node, is characterized in that, comprises the following steps:
(1) prefabricate precast unit with groove is transported to scene and installs, the groove positioned opposite of contiguous prefabricated member;
(2) in the space being formed by the groove of node both sides prefabricated units, stirrup is set, when on prefabricated units when pre-buried U-shaped reinforcing bar, is combined into stirrup by U-shaped reinforcing bar;
(3) in the longitudinal hole of prefabricated units transverse concave groove and outside, concreting forms sleeper formula prefabricated units connected node.
6. the preparation method of sleeper formula prefabricated units connected node, is characterized in that, in the time that longitudinal reinforcement is set, comprising the following steps:
(1) prefabricate precast unit with groove is transported to scene and installs, the groove positioned opposite of contiguous prefabricated member;
(2) in the space being formed by the groove of node both sides prefabricated units, stirrup is set, when on prefabricated units when pre-buried U-shaped reinforcing bar, is combined into stirrup by U-shaped reinforcing bar;
(3) longitudinally in hole, arrange longitudinal reinforcement in prefabricated units outside, through the stirrup in groove, form cage of reinforcement together with stirrup colligation;
(4) in the longitudinal hole of prefabricated units transverse concave groove and outside, concreting forms sleeper formula prefabricated units connected node.
7. according to any one preparation method described in claim 5 or 6, it is characterized in that, the precast unit with groove of described step (1), comprises the following steps:
(1-1) on precast plate production site, adopt bed die, backform, side form and Duo Gen make template for the steel pipe internal mold of making preformed hole; Wherein, side form concaves at interval of certain distance, has the hole identical with steel pipe geomery on backform;
(1-2) side form, backform and bed die are combined, arranged steel mesh reinforcement, the hole by many steel pipes through a side backform, through the gap of steel mesh reinforcement, through the hole of opposite side backform; End and the steel pipe of side form female parts fit together;
(1-3) concreting in the space of side form, backform and bed die composition was extracted steel pipe out and is formed longitudinal perforated holes before hardening of concrete;
(1-4) treat that concrete reaches expection intensity and removes bed die, backform, side form, forms the precast reinforced concrete structure with groove.
CN201210219082.XA 2012-06-29 2012-06-29 Embedded column type prefabricated part connection node and manufacturing method thereof CN102720272B (en)

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CN102720272B true CN102720272B (en) 2014-08-27

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* Cited by examiner, † Cited by third party
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CN103643741A (en) * 2013-09-23 2014-03-19 初明进 Method for connecting prefabricated concrete members
CN103669698A (en) * 2013-12-24 2014-03-26 初明进 Prefabricated concrete component with connecting rings
CN103758214B (en) * 2014-01-29 2016-03-09 初明进 The method of attachment of sleeper formula precast reinforced concrete structure
CN103741810B (en) * 2014-01-29 2015-10-21 初明进 Method for horizontally connecting precast concrete members
CN103806537B (en) * 2014-03-09 2016-01-20 初明进 The method of attachment of sleeper formula precast unit
CN103806546B (en) * 2014-03-12 2015-11-18 初明进 A kind of method of attachment of precast concrete plank
CN103806596B (en) * 2014-03-12 2016-05-04 初明进 A kind of precast reinforced concrete structure
CN103806594B (en) * 2014-03-12 2016-05-04 初明进 A kind of precast concrete
CN103912095A (en) * 2014-04-14 2014-07-09 初明进 Precast reinforced concrete member
CN104264894A (en) * 2014-10-23 2015-01-07 初明进 Prefabricated part
CN108661205A (en) * 2016-08-12 2018-10-16 陈迎春 Engineering prefabricated component connecting elements, connection method, major structure of construction

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FR1567043A (en) * 1967-08-16 1969-05-16
CN101806095A (en) * 2010-03-15 2010-08-18 中山市快而居房屋预制件有限公司 Full-fabricated assembly overall reinforced concrete house and building method thereof
CN101831970A (en) * 2010-02-10 2010-09-15 黄靓 Integrally assembled wallboard wall and construction method thereof
CN102061803A (en) * 2010-11-26 2011-05-18 清华大学建筑设计研究院 Shear wall structure building based on cross-hole prefabricated reinforced concrete template and construction method thereof
CN102296754A (en) * 2011-05-19 2011-12-28 黑龙江宇辉新型建筑材料有限公司 Precast member horizontal steel reinforcement jointing element and jointing construction method
CN202831249U (en) * 2012-06-29 2013-03-27 初明进 Embedded column type connection joint of prefabricated part

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1567043A (en) * 1967-08-16 1969-05-16
CN101831970A (en) * 2010-02-10 2010-09-15 黄靓 Integrally assembled wallboard wall and construction method thereof
CN101806095A (en) * 2010-03-15 2010-08-18 中山市快而居房屋预制件有限公司 Full-fabricated assembly overall reinforced concrete house and building method thereof
CN102061803A (en) * 2010-11-26 2011-05-18 清华大学建筑设计研究院 Shear wall structure building based on cross-hole prefabricated reinforced concrete template and construction method thereof
CN102296754A (en) * 2011-05-19 2011-12-28 黑龙江宇辉新型建筑材料有限公司 Precast member horizontal steel reinforcement jointing element and jointing construction method
CN202831249U (en) * 2012-06-29 2013-03-27 初明进 Embedded column type connection joint of prefabricated part

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