CN103669720A - Precast beam and reinforced concrete structure with tenon anchor system - Google Patents

Precast beam and reinforced concrete structure with tenon anchor system Download PDF

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Publication number
CN103669720A
CN103669720A CN201310725064.3A CN201310725064A CN103669720A CN 103669720 A CN103669720 A CN 103669720A CN 201310725064 A CN201310725064 A CN 201310725064A CN 103669720 A CN103669720 A CN 103669720A
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CN
China
Prior art keywords
precast
tenon
vertical
concrete
reinforced concrete
Prior art date
Application number
CN201310725064.3A
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Chinese (zh)
Inventor
鲁军波
Original Assignee
鲁军波
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Publication date
Application filed by 鲁军波 filed Critical 鲁军波
Priority to CN201310725064.3A priority Critical patent/CN103669720A/en
Publication of CN103669720A publication Critical patent/CN103669720A/en

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Abstract

The invention discloses a precast beam which comprises a precast beam body and is characterized in that both ends of the precast beam body are provided with precast beam tenons. The invention also discloses a reinforced concrete structure which adopts the precast beam and is provided with a tenon anchor system. The precast beam and the reinforced concrete structure with the tenon anchor system, which are disclosed by the invention, provide a precast assembling structure which has a simple structure, has a simple construction process and is simple and convenient for construction organization, and can fulfill the aims of maximization of the factory precast quantity of the constructional engineering and the minimization of the field labor amount.

Description

A kind of precast beam and there is the reinforced concrete structure of tenon anchor system

Technical field

The present invention relates to building field, particularly a kind of precast beam and there is the reinforced concrete structure of tenon anchor system.

Background technology

Particularity due to construction work, current building engineering construction is is mostly to take open work as main, and be accompanied by improving constantly of social development, labour's remuneration, a lot of industrial workers has been unwilling to enter into the building operations of open work environment, and this just makes the labor service recruitment of current builing industry progressively occur nervous situation.The situation of this anxiety also will further be aggravated predictably.Taking measures, most on-the-spot labor changes batch production recruitment into even, the amount of labour used that reduces open work just can crack the quagmire of building operations recruitment famine by a part, so industrialization of construction industry is an inexorable trend.

Summary of the invention

For the problems referred to above, the object of the present invention is to provide a kind of reliable in structure, construction technology is simple, construction organization is easy precast beam and splicing structure system, to realizing, the prefabricated amount of construction work batch production maximizes, the minimized target of the on-the-spot amount of labour used.

For achieving the above object, technical scheme proposed by the invention is: a kind of precast beam, comprise precast beam body, and it is characterized in that: described precast beam body two ends are provided with precast beam tenon.

Preferably, described precast beam tenon cross section is less than this body section of precast beam.

Preferably, the tenon of described precast beam tenon end bottom is higher than precast beam focus point.

Preferably, described precast beam tenon is that difform cone or column are joined steel concrete.

Preferably, described precast beam tenon is reinforced concrete prefabricated beam tenon or steel part precast beam tenon.

The present invention also comprises a kind of reinforced concrete structure with tenon anchor system that adopts above-mentioned precast beam tenon, comprise crossbeam, vertical member and horizontal structure plate, it is characterized in that: in described vertical member, be provided with reinforcing bar, described crossbeam is above-mentioned precast beam, described reinforcing bar is provided with support portion, the tenon of described precast beam tenon is supported on support portion, concrete has been built in described vertical member and precast beam tenon and vertical member junction, described precast beam tenon is anchored in the steel concrete of vertical member, described horizontal structure plate is supported on precast beam.

Adopt technique scheme, precast beam of the present invention and there is the reinforced concrete structure of tenon anchor system, because precast beam tenon bottom is higher than precast beam center of gravity, precast beam is homeostasis state after hanging on the support portion of vertical member, does not need to set up in addition bracing frame and assists firmly; Precast beam tenon is anchored in the stressed problem of shearing resistance that can solve again precast concrete and cast-in-situ concrete binding site in vertical member, so precast beam of the present invention and there is the reinforced concrete structure of tenon anchor system, a kind of reliable in structure is provided, construction technology is simple, the precast assembly structural system that construction organization is easy, can realize construction work prefabrication amount and maximize, the minimized target of the on-the-spot amount of labour used.

Accompanying drawing explanation

Fig. 1 is precast beam structural representation of the present invention;

Fig. 2 is not for building the precast beam structural representation of overlapping layers;

Fig. 3 is the reinforced concrete structure schematic diagram with tenon anchor system of the present invention;

Fig. 4 is for adopting the support portion schematic diagram of ox leg structure;

Fig. 5 is the vertical muscle construction in precast beam bottom way schematic diagram;

Fig. 6, Fig. 7 are the precast beam upper longitudinal bar construction way schematic diagram that is provided with overlapping layers.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the present invention will be further described.

As shown in Figure 1, precast beam 1, comprises precast beam body 10 and is embedded in precast beam body 10 and extends the longitudinal reinforcement 12 of precast beam body 10, longitudinal reinforcement 12 can be located at precast beam body 10 tops and/or bottom; Precast beam body 10 two ends are provided with precast beam tenon 11, and the end of precast beam tenon 11 is tenon 111, and tenon 111 bottoms of precast beam tenon 11 ends are preferably higher than precast beam body 10 focus points and precast beam tenon 11 cross sections and are less than precast beam body 10 cross sections; As Fig. 2 precast beam 1 is preferably the superposed beam that precast beam body 10 and precast beam tenon 11 are provided with cast-in-place overlapping layers, the overlapping layers scope stirrup 13 that is embedded in precast beam body 10 and extends precast beam body 10 is arranged at its top.

As shown in Figure 3, a kind of reinforced concrete structure with tenon anchor system, comprise that top is cast with the precast beam 1 of overlapping layers 14, vertical member 2 and horizontal structure plate (not shown, place on precast beam or water construction with precast beam overlapping layers is simultaneously folded), vertical member 2 is cast-in-place combined steel and concrete column or wall, prefabricated combined steel and concrete column or wall or prefabricated reinforced concrete column or wall (top is embedded with one section of reinforcing bar); In vertical member 2, be provided with reinforcing bar 20 as H shaped steel, reinforcing bar 20 is provided with support portion 201, the tenon 111 of precast beam tenon 11 is supported on support portion 201, vertical member 2 and precast beam tenon 11 have been built concrete with vertical member 2 junctions, precast beam tenon 11 is anchored in the steel concrete of vertical member 2, and horizontal structure plate is supported in (or fold and water construction simultaneously with precast beam overlapping layers) on precast beam 1.In addition, bottom longitudinal reinforcement 12 can directly be anchored in as shown in Figure 5 in vertical member and not hinder position at reinforcing bar 20 and adopt U-shaped reinforcing bar 21 to carry out connection reinforcement; Top longitudinal reinforcement 12 also can directly be anchored in vertical member, when employing has the precast beam of overlapping layers, when beam top longitudinal reinforcement 12 is hindered by reinforcing bar as shown in Figure 6, Figure 7, weld straight screw sleeve 22 on the reinforcing bar of longitudinal reinforcement 12 correspondences and connected, while hindered by reinforcing bar, upper reinforcement can elongatedly not arrange.

As shown in Figure 4, support portion 201 can be bracket portion structure, and tenon 111 is placed on ox leg structure, by bracket portion support structure.

Concrete, precast beam site operation relies on the tenon of precast beam tenon to place on vertical member support portion while installing, to bear precast beam deadweight and the part working load of construction period.The contact surface that when precast beam site operation is installed, load transmission is carried out in tenon and vertical member support portion is during higher than the focus point of precast beam install state, and precast beam is hanging state, and construction period self remains relatively stable; The contact site that when precast beam site operation is installed, the projection (bracket) of tenon and vertical member or vertical member carries out load transmission is during lower than the focus point of precast beam install state, place that a contact site need be welded to connect or bolt connection etc. effectively connects, to guarantee the stable of precast beam construction period.The preferred tenon of the present invention bottom places (hanging) mounting means higher than precast beam install state focus point.

Precast beam tenon can be steel concrete, also can be steel part; When precast beam tenon is steel concrete, precast beam tenon can be column or the frustum of various shapes; When for steel part, can be rod member or the body of various shapes.The present invention is preferably the square cone armored concrete of butt of incomplete symmetry, is called cone tenon, and that tenon bottom is preferably is flat, material is preferably pre-embedded steel slab.

Precast beam tenon from tenon outside toward precast beam longitudinal reinforcement within the scope of interior certain length and do not build precast concrete around, this part longitudinal reinforcement does not have precast concrete parcel, after tenon places on vertical member, precast beam longitudinal reinforcement can be realized the direct anchoring in vertical member, also can carry out easily spreading.

The reinforced concrete structure site operation with tenon anchor system of the present invention install before preparation flow process as follows:

1) precast beam preparation: make the form removal of precast beam → precast beam, cut off at the bottom of beam presstressed reinforcing steel and with interior 20mm, bend up or down (while needing bending) from tenon outside, take left and right bending mode avoid welding on reinforcing bar bracket and the main muscle of vertical member → tenon bottom pre-embedded steel slab anti-sideslip bar dowel → precast beam upper longitudinal bar penetrate in stirrup and tie up temporarily fixing when superimposed sheet (preferably) → cover put beam head hoop muscle and interim concentrated tie up firm;

2) vertical member preparation: processing is welded support portion on reinforcing bar → reinforcing bar and put vertical member stirrup concentrated placing bottom the vertical member with assembled junction plate → cover as welded grider upper reinforcement branch sleeve on bracket and class bracket steel plate → reinforcing bar when superimposed sheet (preferably) → welding reinforcing bar spreading;

3) beam, the processing of post (wall) node typified form;

4) tool type scaffold processing.

The structure of reinforced concrete order of tenon anchor system is as follows: install reinforcing bar → hang tool type scaffold in the floor plates of having constructed → hoisting prefabricated beam to top → precast beam two ends, corresponding two reinforcing bar support portions tenon aim at support portion and place steadily → precast beam longitudinal reinforcement in column cap beam forms within the scope of a beam stirrup → vertical member reinforcing bar binding → vertical member and tenon within the scope of anchoring or spreading → colligation tenon → water vertical member and tenon scope inner beam concrete to the following position → removal tool of overlapping layers formula scaffold, prop up floor plates template → colligation floor plates reinforcing bar → water floor plates and beam overlapping layers concrete → enter next floor to construct.When adopting Prefabricated stacking floor mode, the beam below overlapping layers, post (wall) node concrete answer maintenance to could hoisting prefabricated floor plates after prescribed strength.

Although specifically show and introduced the present invention in conjunction with preferred embodiment; but those skilled in the art should be understood that; within not departing from the spirit and scope of the present invention that appended claims limits; in the form and details the present invention is made a variety of changes, be protection scope of the present invention.

Claims (6)

1. a precast beam, comprises precast beam body, it is characterized in that: described precast beam body two ends are provided with precast beam tenon.
2. a kind of precast beam according to claim 1, is characterized in that: described precast beam tenon cross section is less than this body section of precast beam.
3. a kind of precast beam according to claim 1, is characterized in that: the tenon bottom of described precast beam tenon end is higher than precast beam focus point.
4. a kind of precast beam according to claim 1, is characterized in that: described precast beam tenon is that difform cone or column are joined steel concrete.
5. a kind of precast beam according to claim 2, is characterized in that: described precast beam tenon is reinforced concrete prefabricated beam tenon or steel part precast beam tenon.
6. a reinforced concrete structure with tenon anchor system, comprise crossbeam, vertical member and horizontal structure plate, it is characterized in that: in described vertical member, be provided with reinforcing bar, described crossbeam is the precast beam described in the arbitrary claim of claim 1-5, described reinforcing bar is provided with support portion, the tenon of described precast beam tenon is supported on support portion, concrete has been built in described vertical member and precast beam tenon and vertical member junction, described precast beam tenon is anchored in the steel concrete of vertical member, and described horizontal structure plate is supported on precast beam.
CN201310725064.3A 2013-12-25 2013-12-25 Precast beam and reinforced concrete structure with tenon anchor system CN103669720A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310725064.3A CN103669720A (en) 2013-12-25 2013-12-25 Precast beam and reinforced concrete structure with tenon anchor system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310725064.3A CN103669720A (en) 2013-12-25 2013-12-25 Precast beam and reinforced concrete structure with tenon anchor system

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CN103669720A true CN103669720A (en) 2014-03-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106759876A (en) * 2016-11-15 2017-05-31 南宁职业技术学院 A kind of assembly concrete building element tenon riveting formula design and construction method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001123534A (en) * 1999-10-25 2001-05-08 Dai Nippon Construction Construction of composite precast beam
JP2009235680A (en) * 2008-03-26 2009-10-15 Penta Ocean Construction Co Ltd Beam-column joint unit and construction method of beam-column joint
CN102418381A (en) * 2010-09-28 2012-04-18 杨峰 Building structure system combined with steel beam and pre-tensioned prestressing superposed beam and construction method for building structure system
CN202416570U (en) * 2011-12-29 2012-09-05 青岛市城阳区新世纪预制构件有限公司 Prefabricated-assembled beam-column-board joint structure for large-span plant
CN203924484U (en) * 2013-12-25 2014-11-05 鲁军波 A kind of precast beam and there is the reinforced concrete structure of tenon anchor system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001123534A (en) * 1999-10-25 2001-05-08 Dai Nippon Construction Construction of composite precast beam
JP2009235680A (en) * 2008-03-26 2009-10-15 Penta Ocean Construction Co Ltd Beam-column joint unit and construction method of beam-column joint
CN102418381A (en) * 2010-09-28 2012-04-18 杨峰 Building structure system combined with steel beam and pre-tensioned prestressing superposed beam and construction method for building structure system
CN202416570U (en) * 2011-12-29 2012-09-05 青岛市城阳区新世纪预制构件有限公司 Prefabricated-assembled beam-column-board joint structure for large-span plant
CN203924484U (en) * 2013-12-25 2014-11-05 鲁军波 A kind of precast beam and there is the reinforced concrete structure of tenon anchor system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106759876A (en) * 2016-11-15 2017-05-31 南宁职业技术学院 A kind of assembly concrete building element tenon riveting formula design and construction method

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