CN106522237A - Prefabricated crown beam and connecting method of prefabricated crown beam and prefabricated component - Google Patents

Prefabricated crown beam and connecting method of prefabricated crown beam and prefabricated component Download PDF

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Publication number
CN106522237A
CN106522237A CN201610845835.6A CN201610845835A CN106522237A CN 106522237 A CN106522237 A CN 106522237A CN 201610845835 A CN201610845835 A CN 201610845835A CN 106522237 A CN106522237 A CN 106522237A
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China
Prior art keywords
guan liang
prefabricated
cast
prefabricated components
bar
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CN201610845835.6A
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Chinese (zh)
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周兆弟
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周兆弟
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Priority to CN201610845835.6A priority Critical patent/CN106522237A/en
Publication of CN106522237A publication Critical patent/CN106522237A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • E02D17/04Bordering surfacing or stiffening the sides of foundation pits
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/58Connections for building structures in general of bar-shaped building elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/20Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members

Abstract

The invention belongs to the technical field of construction, and relates to a prefabricated crown beam and a connecting method of the prefabricated crown beam and a prefabricated component. The prefabricated crown beam comprises a crown beam body; the crown beam body is strip-shaped, and is pressed on the prefabricated component; a cast-in-situ hole is formed in the crown beam body; and when the crown beam body is pressed on the prefabricated component, the cast-in-situ hole is positioned above the end surface of the prefabricated component, and the prefabricated component can be fixedly connected with the crown beam body through the cast-in-situ hole. When the prefabricated crown beam is connected with the underground prefabricated component, the crushing has no need to perform on a pile top with a construction bend to expose an anchored reinforcement to perform the steel rod connection with the cast-in-situ crown beam, and the firm connection can be realized only by pouring concrete through the cast-in-situ hole, so that the integrity of the prefabricated component is guaranteed, and the engineering quality is greatly improved.

Description

The method of attachment of prefabricated Guan Liang and prefabricated Guan Liang and prefabricated components
Technical field
The invention belongs to technical field of buildings, is related to the connection side of a kind of prefabricated Guan Liang and prefabricated Guan Liang and prefabricated components Method.
Background technology
The reinforced concrete continuous beam being arranged at the top of foundation ditch periphery supporting (going along with sb. to guard him) structure (mostly stake and wall), its effect The first is connected to (such as cast-in-situ bored pile, rotary digging stake etc.) together all of pile foundation, prevents foundation ditch (vertical shaft) top from producing Cave in, which two is that the level for undertaking bracing members (or reinforced concrete support) by bracket bears against power and vertical shear, and Guan Liang is applied Man-hour must cut laitance of stake top etc..
Existing Guan Liang is all cast-in-place, and its technological process is:Surveying setting-out → excavation groove → chisel pile crown, pile crown cleaning → Pour Guan Liang, coupling beam bottom cushion → colligation Guan Liang, coupling beam reinforcing bar → shuttering → concrete cast → form removal maintenance.This method is applied Work speed is slow, and long in time limit and between prefabricated components quality of connection can not be effectively guaranteed.
As Chinese patent literature discloses a kind of supporting pile construction method [application number for first building Guan Liang: 201310491046.3], including:Step one, in ground survey unwrapping wire Guan Liang position and absolute altitude, excavate after the groove of Guan Liang basis Concrete bed course is laid at beam bottom, places cylindric detachable movable steel form in Guan Liang groove;Step 2, measurement and positioning high-pressure rotary-spray Stake position, installs fixing PVC pipe or steel pipe;Step 3, installs fixed Guan Liang reinforcing bar and does Guan Liang side form, pour Guan Liang concrete, be preced with After beam shaping form removal, start concrete pouring of punched hole piles in Guan Liang reserved opening, be poured onto Guan Liang bottom position when pile concrete is poured Put stopping to pour, after concrete setting, pour the concrete of a grade higher than Guan Liang concrete grade in the hole of Guan Liang; For improving pile body and Guan Liang bulk strength, micro-expanding agent in rear pouring concrete, can be added;Step 4, after poured support stake pile just The pvc pipe that can be reserved in Guan Liang carries out Construction of High Pressure Jet Grouting Pile.Said method improves construction quality to a certain extent, accelerates Construction speed, has prevented potential safety hazard.But, its method of operating still using cast-in-place, still has in construction speed and quality Treat further to improve.
The content of the invention
The purpose of the present invention is for the problems referred to above, there is provided a kind of prefabricated Guan Liang.
It is a further object of the present invention to provide the method for attachment of a kind of prefabricated Guan Liang and prefabricated components.
For reaching above-mentioned purpose, following technical proposal is present invention employs:A kind of prefabricated Guan Liang, including Guan Liang body, institute The Guan Liang body stated is in strip and can be pressed on prefabricated components, and Guan Liang body is provided with cast-in-place hole and when Guan Liang body is pressed on When on prefabricated components, described cast-in-place hole position is above the end face of prefabricated components and prefabricated components can be by cast-in-place hole and Guan Liang sheet Body is fixedly connected.
In above-mentioned prefabricated Guan Liang, Guan Liang body is run through in described cast-in-place hole, and the cross section in cast-in-place hole is in T fonts.
In above-mentioned prefabricated Guan Liang, the two ends of described Guan Liang body be provided with when two adjacent Guan Liang bodies near when The bindiny mechanism of two Guan Liang body connections can be made.
In above-mentioned prefabricated Guan Liang, described bindiny mechanism is included positioned at the recess of Guan Liang body one end and positioned at hat The shape of the protuberance of the beam body other end, described recess and protuberance, size match, when protuberance be inserted into it is recessed The Guan Liang body that two adjacent when in portion is formed and is engaged by clamping.
In above-mentioned prefabricated Guan Liang, described bindiny mechanism includes the axially arranged some Guan Liang masters along Guan Liang body Muscle, and the two ends of Guan Liang cage bar extend that Guan Liang sheet is external, the two ends of Guan Liang cage bar are provided with when two adjacent this body phases of Guan Liang The coupling assembly that when mutually close Guan Liang cage bar on two Guan Liang bodies can be connected with each other.
A kind of prefabricated Guan Liang and the method for attachment of prefabricated components, Guan Liang body is placed on the prefabricated components for being embedded into underground On, cast-in-place hole is corresponding with the position of prefabricated components, and prefabricated components are located at below cast-in-place hole, connects prefabricated components with bar component Component cage bar and bar component is completely or partially entered in cast-in-place hole, the penetration concrete in the cast-in-place hole, concrete are solid After change, prefabricated Guan Liang and prefabricated components realize connection.
In the method for attachment of above-mentioned prefabricated Guan Liang Yu prefabricated components, described bar component includes bar body, rod The end of material body has a spiro union portion, and the end of component cage bar has an attaching nut, and spiro union portion and attaching nut are spirally connected fixation;Or Described bar component is the extension that component cage bar is extended in cast-in-place hole, is located in cast-in-place hole after the extension bending.
In the method for attachment of above-mentioned prefabricated Guan Liang Yu prefabricated components, the one end of described bar body away from spiro union portion Enter into after bending in cast-in-place hole.
In the method for attachment of above-mentioned prefabricated Guan Liang Yu prefabricated components, the one end of described bar body away from spiro union portion Extend outside cast-in-place hole.
In the method for attachment of above-mentioned prefabricated Guan Liang Yu prefabricated components, described Guan Liang body and prefabricated components are provided with The prefabricated tensioning hole of tensioning cage bar can be worn, after Guan Liang body and prefabricated components connect, on Guan Liang body and prefabricated components The position in prefabricated tensioning hole is corresponding.
Compared with prior art, it is an advantage of the current invention that:
1st, when the prefabricated components with underground are connected, without the need in the stake top for having made construction bending being crushed and being revealed Rod iron is carried out with cast-in-place Guan Liang after going out anchor bar to be connected, it is only necessary to be capable of achieving by cast-in-place hole casting concrete firm Connection, so as to ensure that the integrality of prefabricated components, substantially increases construction quality.
2nd, connecting axially through bindiny mechanism between prefabricated Guan Liang, very convenient, facilitates the length of Guan Liang during site operation Degree is adjusted.
3rd, as Guan Liang adopts prefabricated, its quality is obtained effectively control and ensures, the prefabricated components of Guan Liang and underground Switching performance obtain maximum performance.
4th, the connection between prefabricated component and prefabricated component is realized, having broken away from prior art needs cast-in-place Guan Liang and prefabricated components Connected mode, substantially increase speed of application, less duration less environmental pollution.
5th, Guan Liang body and prefabricated components connect as one structure by tensioning cage bar, so as to improve Guan Liang body again Bonding strength between prefabricated components.
Description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is another kind of structural representation of the present invention;
Fig. 3 is another kind of structural representation of the present invention;
Fig. 4 is another kind of structural representation of the present invention;
Fig. 5 is another kind of structural representation of the present invention;
Fig. 6 is enlarged drawing at the A of Fig. 4;
Fig. 7 is enlarged drawing at the B of Fig. 4;
Fig. 8 is enlarged drawing at the C of Fig. 5;
Fig. 9 is the connection diagram of Guan Liang body;
Figure 10 is another kind of connection diagram of Guan Liang body;
Figure 11 is another kind of connection diagram of Guan Liang body;
Figure 12 is another kind of connection diagram of Guan Liang body;
Figure 13 is another kind of connection diagram of Guan Liang body;
Figure 14 is the connection diagram of Guan Liang body and prefabricated components;
Figure 15 is another kind of connection diagram of Guan Liang body and prefabricated components;
Figure 16 is another kind of connection diagram of Guan Liang body and prefabricated components;
Figure 17 is the cross-sectional view of Guan Liang body;
Figure 18 is another kind of cross-sectional view of Guan Liang body;
Figure 19 is another kind of cross-sectional view of Guan Liang body;
Figure 20 is the structural representation of bar component.
In figure:Guan Liang body 1, cast-in-place hole 2, aperture 2a, macropore 2b, bindiny mechanism 3, recess 4, protuberance 5, Guan Liang master Muscle 6, coupling assembly 7, connection crotch 7a, connecting thread portion 7b, rotation nut 7c, chuck 7d, connecting bolt 7e, grout hole 7f, Prefabricated components 8, bar component 9, component cage bar 10, bar body 11, spiro union portion 12, attaching nut 13, extension 14, tensioning master Muscle 15, prefabricated tensioning hole 16.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Embodiment 1
As shown in figure 1, a kind of prefabricated Guan Liang, including Guan Liang body 1, described Guan Liang body 1 is in strip and can be pressed on On prefabricated components, Guan Liang body 1 is provided with cast-in-place hole 2 and when Guan Liang body 1 is pressed on prefabricated components, described cast-in-place hole 2 above the end face of prefabricated components and prefabricated components can be fixedly connected with Guan Liang body 1 by cast-in-place hole 2.
With reference to shown in Fig. 3, Guan Liang body 1 is run through in cast-in-place hole 2, and the cross section in cast-in-place hole 2 is in T fonts, that is to say, that existing Funnel 2 is aperture 2a near one end of prefabricated components, is macropore 2b, aperture 2a and macropore 2b groups away from one end of prefabricated components Into T-type structure, after prefabricated components are connected with aperture 2a, prefabricated components can be by the structures such as connector and the macropore 2b of Guan Liang Connection is realized, the concrete of penetration concrete solidification is supported in the cast-in-place hole 2 of T fonts in cast-in-place hole 2, so as to improve The bond strengths of prefabricated components and Guan Liang body 1.
The two ends of Guan Liang body 1 be provided with when two adjacent Guan Liang bodies 1 near when can make the connection of two Guan Liang bodies 1 Bindiny mechanism 3.As shown in Figure 9 and Figure 10, bindiny mechanism 3 is used for the axial direction connection of two or many root cap beam bodies 1.
In the present embodiment, as depicted in figs. 1 and 2, bindiny mechanism 3 include positioned at 1 one end of Guan Liang body recess 4 and Shape, size positioned at the protuberance 5 of 1 other end of Guan Liang body, described recess 4 and protuberance 5 matches, and works as protuberance 5 two adjacent Guan Liang bodies 1 when being inserted in recess 4 are formed and are engaged by clamping.
The shape of recess 4 and protuberance 5 can not be limited, and be illustrated in figure 1 T-shaped, be wedge shape as described in Figure 2, Can be shape such as bar shaped that other can be combined with each other, semicircle etc..
It will be appreciated by those skilled in the art that the shape of cross section of Guan Liang body 1 can be needed according to site operation or special Different environment etc. is prefabricated to be taken various shapes, and such as Figure 17 show regular hexagon, and Figure 18 show rectangle, and Figure 19 show groove Shape, but it is not limited to these shapes.
It should also be appreciated by one skilled in the art that prefabricated components can be prefabricated pile etc..
The present embodiment provide prefabricated Guan Liang, be underground prefabricated components connect when, without the need for made construction it is curved Rod iron is carried out with cast-in-place Guan Liang after being crushed and being exposed anchor bar in the stake top of folding to be connected, it is only necessary to by cast-in-place hole 2 Casting concrete is capable of achieving firm connection, so as to ensure that the integrality of prefabricated components, substantially increases construction quality.
Embodiment 2
The present embodiment is essentially identical with the structure and operation principle of embodiment 1, and difference is, as shown in figure 3, connection Mechanism 3 includes the axially arranged some Guan Liang cage bars 6 along Guan Liang body 1, and Guan Liang body is extended at the two ends of Guan Liang cage bar 6 Outside 1, the two ends of Guan Liang cage bar 6 are provided with the hat that can be made when two adjacent Guan Liang bodies 1 are close to each other on two Guan Liang bodies 1 The coupling assembly 7 that beam main tendon 6 is connected with each other.
In the present embodiment, as in figs. 3 and 11, coupling assembly 7 includes connecting crotch 7a, described connection crotch 7a Formed after being bent by the end extended outside Guan Liang body 1 of Guan Liang cage bar 6.Two adjacent Guan Liang bodies 1 can be by connecting Meet crotch 7a and mutually form clamping or welding, so as to realize connection.Connection crotch 7a can be variously-shaped, not limit.
Embodiment 3
The present embodiment is essentially identical with the structure and operation principle of embodiment 2, and difference is, such as Fig. 4, Fig. 6 and Fig. 7 Shown, coupling assembly 7 includes the connecting thread portion 7b positioned at 6 one end of Guan Liang cage bar, and be located at 6 other end of Guan Liang cage bar and with hat The rotation nut 7c of 6 clamping of beam main tendon, when two adjacent Guan Liang bodies 1 near when, as shown in figure 12, rotation nut 7c can be with So that two adjacent Guan Liang bodies 1 are achieved a fixed connection by Guan Liang cage bar 6 in being threaded into connecting thread portion 7b.Rotation spiral shell Female 7c is positioned with 6 clamping of Guan Liang cage bar by chuck 7d of 6 end of Guan Liang cage bar.
As shown in fig. 7, rotation nut 7c is provided with grout hole 7f, after penetration concrete in grout hole 7f, rotation can be made Nut 7c is fixed in Guan Liang cage bar 6, namely connecting thread portion 7b and rotation nut 7c realize the connection that position is fixed, so as to carry The switching performance of high two Guan Liang bodies 1.
Embodiment 4
The present embodiment is essentially identical with the structure and operation principle of embodiment 2, and difference is, such as Fig. 5 and Fig. 8 institutes Show, coupling assembly 7 includes the connecting bolt 7e being spirally connected positioned at 6 one end of Guan Liang cage bar and with Guan Liang cage bar 6, and is located at Guan Liang cage bar 6 other ends and the rotation nut 7c with 6 clamping of Guan Liang cage bar, as shown in figure 13, when two adjacent Guan Liang bodies 1 near when, So that two adjacent Guan Liang bodies 1 are realized admittedly by Guan Liang cage bar 6 during connecting bolt 7e can be threaded into rotation nut 7c It is fixed to connect.Rotation nut 7c is positioned with 6 clamping of Guan Liang cage bar by chuck 7d of 6 end of Guan Liang cage bar.
Embodiment 5
The method of attachment of a kind of prefabricated Guan Liang and prefabricated components is present embodiments provided, as shown in figure 14, by Guan Liang body 1 It is placed on and is embedded on the prefabricated components 8 of underground, cast-in-place hole 2 is corresponding with the position of prefabricated components 8, prefabricated components 8 is located at existing Below funnel 2, connect the component cage bar 10 of prefabricated components 8 with bar component 9 and bar component 9 is completely or partially entered into now In funnel 2, the penetration concrete in the cast-in-place hole 2, it is concrete curing after prefabricated Guan Liang and prefabricated components realize connection.
It will be appreciated by those skilled in the art that cast-in-place hole 2 can be between the prefabricated components in factory's installation place Distance is reserved, and present embodiments provides the connection between prefabricated component and prefabricated component, and having broken away from prior art needs cast-in-place hat Beam and the connected mode of prefabricated components, substantially increase speed of application, less duration less environmental pollution.
As Guan Liang adopts prefabricated, its quality is obtained effectively control and ensures, the prefabricated components of Guan Liang and underground Switching performance obtains the performance of maximum.
In the present embodiment, as shown in figure 14, bar component 9 extends to the extension in cast-in-place hole 2 for component cage bar 10 14, the extension 14 is located in cast-in-place hole 2 after bending.
Embodiment 6
The present embodiment is essentially identical with the structure and operation principle of embodiment 5, and difference is, such as Figure 15 and Figure 20 institutes Show, bar component 9 includes bar body 11, the end that the end of bar body 11 has spiro union portion 12, component cage bar 10 has Attaching nut 13, and spiro union portion 12 and attaching nut 13 are spirally connected fixation;Bar body 11 is laggard away from one end bending of spiro union portion 12 Enter in cast-in-place hole 2 or bar body 11 extends outside cast-in-place hole 2 away from one end of spiro union portion 12, extend 2 outer wall of cast-in-place hole Bar body 11 can be in order to being attached with follow-up component.
Embodiment 7
The present embodiment is essentially identical with the structure and operation principle of embodiment 6, and difference is, such as Figure 16 and Figure 20 institutes Show, Guan Liang body 1 and prefabricated components 8 are provided with the prefabricated tensioning hole 16 that can wear tensioning cage bar 15, when Guan Liang body 1 and prefabricated After component 8 connects, Guan Liang body 1 is corresponding with the position in the prefabricated tensioning hole 16 on prefabricated components 8.Described tensioning cage bar 15 Can be steel strand wires, rod iron or carbon fiber rod etc., 15 one end of tensioning cage bar is fixed with prefabricated components 8, the other end is through prefabricated In the prefabricated tensioning hole 16 entered on Guan Liang body 1 behind prefabricated tensioning hole 16 on component 8 and pass, tensioning post-stretching cage bar 15 end is fixed with Guan Liang body 1, and Guan Liang body 1 connects as one structure with prefabricated components 8 by tensioning cage bar 15, so as to The bonding strength between Guan Liang body 1 and prefabricated components 8 is improve again.
In the present embodiment, the kink of bar body 11 can be welded and fixed with Guan Liang cage bar 6.
Specific embodiment described herein is only explanation for example spiritual to the present invention.Technology neck belonging to of the invention The technical staff in domain can be made various modifications or supplement or replaced using similar mode to described specific embodiment Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more having used Guan Liang body 1, cast-in-place hole 2, aperture 2a, macropore 2b, bindiny mechanism 3, recess herein 4th, protuberance 5, Guan Liang cage bar 6, coupling assembly 7, connection crotch 7a, connecting thread portion 7b, rotation nut 7c, chuck 7d, connection Bolt 7e, grout hole 7f, prefabricated components 8, bar component 9, component cage bar 10, bar body 11, spiro union portion 12, attaching nut 13rd, the term such as extension 14, tensioning cage bar 15, prefabricated tensioning hole 16, but it is not precluded from the possibility using other terms.Use These terms are used for the purpose of more easily describing and explaining the essence of the present invention;It is construed as any additional limit System is all contrary with spirit of the invention.

Claims (10)

1. a kind of prefabricated Guan Liang, including Guan Liang body (1), it is characterised in that described Guan Liang body (1) is in strip and can press and sets On prefabricated components, Guan Liang body (1) is provided with cast-in-place hole (2) and when Guan Liang body (1) is pressed on prefabricated components, described Cast-in-place hole (2) be located above the end face of prefabricated components and prefabricated components can be by the fixed company of cast-in-place hole (2) and Guan Liang body (1) Connect.
2. prefabricated Guan Liang according to claim 1, it is characterised in that Guan Liang body (1) is run through in described cast-in-place hole (2), And the cross section of cast-in-place hole (2) is in T fonts.
3. prefabricated Guan Liang according to claim 1, it is characterised in that the two ends of described Guan Liang body (1) are provided with when two The bindiny mechanism (3) that individual adjacent Guan Liang body (1) connects can two Guan Liang bodies (1) when close.
4. prefabricated Guan Liang according to claim 3, it is characterised in that described bindiny mechanism (3) is included positioned at Guan Liang sheet The recess (4) of body (1) one end and the protuberance (5) positioned at Guan Liang body (1) other end, described recess (4) and protrusion The shape in portion (5), size match, two adjacent Guan Liang body (1) shapes when protuberance (5) is inserted in recess (4) Into clamping engagement.
5. prefabricated Guan Liang according to claim 3, it is characterised in that described bindiny mechanism (3) is included along Guan Liang body (1) axially arranged some Guan Liang cage bar (6), and Guan Liang body (1) is extended outward in the two ends of Guan Liang cage bar (6), Guan Liang master The two ends of muscle (6) are provided with the Guan Liang master that can be made when two adjacent Guan Liang bodies (1) are close to each other on two Guan Liang bodies (1) The coupling assembly (7) that muscle (6) is connected with each other.
6. the method for attachment of the prefabricated Guan Liang according to claim 1-5 any one and prefabricated components, it is characterised in that will Guan Liang body (1) is placed on and is embedded on the prefabricated components (8) of underground, and cast-in-place hole (2) are relative with the position of prefabricated components (8) Should, prefabricated components (8) be located at cast-in-place hole (2) below, with bar component (9) connect prefabricated components (8) component cage bar (10) and Bar component (9) is completely or partially entered in cast-in-place hole (2), in cast-in-place hole (2) interior penetration concrete, it is concrete curing after Prefabricated Guan Liang and prefabricated components realize connection.
7. the method for attachment of prefabricated Guan Liang according to claim 6 and prefabricated components, it is characterised in that described bar group Part (9) includes bar body (11), and the end that the end of bar body (11) has spiro union portion (12), component cage bar (10) has Attaching nut (13), spiro union portion (12) and attaching nut (13) are spirally connected fixation;Or described bar component (9) is component cage bar (10) extension (14) in cast-in-place hole (2) is extended to, is located in cast-in-place hole (2) after the extension (14) bending.
8. the method for attachment of prefabricated Guan Liang according to claim 6 and prefabricated components, it is characterised in that described bar sheet Body (11) is interior away from cast-in-place hole (2) is entered into after one end bending of spiro union portion (12).
9. the method for attachment of prefabricated Guan Liang according to claim 6 and prefabricated components, it is characterised in that described bar sheet Body (11) extends cast-in-place hole (2) outward away from one end of spiro union portion (12).
10. the method for attachment of prefabricated Guan Liang according to claim 6 and prefabricated components, it is characterised in that described Guan Liang Body (1) and prefabricated components (8) are provided with prefabricated tensioning hole (16) that can wear tensioning cage bar (15), when Guan Liang body (1) and After prefabricated components (8) connection, Guan Liang body (1) is corresponding with the position of prefabricated tensioning hole (16) on prefabricated components (8).
CN201610845835.6A 2016-09-23 2016-09-23 Prefabricated crown beam and connecting method of prefabricated crown beam and prefabricated component Pending CN106522237A (en)

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Publication number Priority date Publication date Assignee Title
CN109098181A (en) * 2018-08-31 2018-12-28 中国建筑股份有限公司 The recyclable full prefabricated pile apical cap beam recycled and its construction method

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