CN114319718B - Steel prestressed concrete composite beam and pouring mold thereof - Google Patents

Steel prestressed concrete composite beam and pouring mold thereof Download PDF

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Publication number
CN114319718B
CN114319718B CN202011065401.7A CN202011065401A CN114319718B CN 114319718 B CN114319718 B CN 114319718B CN 202011065401 A CN202011065401 A CN 202011065401A CN 114319718 B CN114319718 B CN 114319718B
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pouring
sleeve
pouring sleeve
fixing
fixed
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CN114319718A (en
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孙远
曹鸿猷
朱宏平
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Huazhong University of Science and Technology
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Huazhong University of Science and Technology
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Abstract

The invention belongs to the technical field of structural engineering, and particularly discloses a steel prestressed concrete composite beam and a pouring mold thereof. The pouring mold comprises fixing plates, a fixing sleeve, a stabilizer bar and a pouring sleeve, wherein the two fixing plates extend into the concrete base; the two fixing sleeves are symmetrically arranged on the inner side of the fixing plate, and the two stabilizing rods are symmetrically and obliquely arranged between the fixing plate and the fixing sleeves; the pouring sleeve comprises an inner pouring sleeve, an upper pouring sleeve and a beam pouring sleeve, the inner pouring sleeve penetrates through the fixed sleeve, and the top of the inner pouring sleeve extends to the outside of the fixed sleeve; the upper pouring sleeve is connected with the top part in which the pouring sleeve is arranged, and bearing plates are arranged on two sides of the upper pouring sleeve; the crossbeam is pour the cover and is established in the outside of pouring the cover on to be located the upside of bearing plate. The pouring mold provided by the invention fixes the vertically arranged fixed plate by using the pouring groove on the concrete base, and simultaneously connects the fixed sleeve and the fixed plate by using the stabilizing rod, so that the stability and the construction safety of the base can be effectively improved.

Description

Steel prestressed concrete composite beam and pouring mold thereof
Technical Field
The invention belongs to the technical field of structural engineering, and particularly relates to a steel prestressed concrete composite beam and a pouring mold thereof.
Background
A beam formed by combining two different materials or combining different processes is called a composite beam, and is also called a combined beam. The main beams of part of the combined beams are made of one material, and the bridge deck connecting the main beams is made of another material; meanwhile, there are also some composite beams composed of prefabricated reinforced concrete beams or prestressed concrete beams and reinforced concrete bridge decks poured in situ. In modern building engineering, buildings with the shape similar to the traditional Chinese ancient traditional Hui style are gradually increased, and the used building beams have different shapes from the traditional modern building beams.
In an antique building, a building beam combination method is complex, steps cannot be divided, and sequential pouring, combination and forming are carried out, so that the building beam is heavy, more concrete exists, the air-drying forming speed is slow, the construction efficiency is slow, and a pouring mold cannot be independently disassembled, and is inconvenient to recycle.
Disclosure of Invention
Aiming at the defects or improvement requirements of the prior art, the invention provides the steel prestressed concrete composite beam and the casting mold thereof, wherein the casting mold optimizes the structure of the casting sleeve, so that the steel prestressed concrete composite beam is prepared by utilizing a splicing and combined casting method, the sequential casting and combination molding can be realized, and the casting mold is convenient to disassemble independently, so that the recycling can be realized.
In order to achieve the purpose, the invention provides a pouring mold of a steel prestressed concrete composite beam, which comprises a fixed plate, a fixed sleeve, a stabilizer bar and a pouring sleeve, wherein: the two fixing plates respectively penetrate through the pouring grooves in the concrete base and extend into the concrete base; the two fixing sleeves are symmetrically arranged on the inner side of the fixing plate, the two stabilizing rods are symmetrically and obliquely arranged between the fixing plate and the fixing sleeves, one end of each stabilizing rod is connected with the fixing sleeve, and the other end of each stabilizing rod is connected with the fixing plate; the pouring sleeve is fixed inside the fixed sleeve and used for placing steel bars and pouring concrete, the pouring sleeve comprises an inner pouring sleeve, an upper pouring sleeve and a beam pouring sleeve, the inner pouring sleeve penetrates through the fixed sleeve, and the top of the inner pouring sleeve extends to the outside of the fixed sleeve; the upper pouring sleeve is connected with the top of the inner pouring sleeve, and bearing plates are arranged on two sides of the upper pouring sleeve; the beam pouring sleeve is arranged on the outer side of the upper pouring sleeve and located on the upper side of the bearing plate.
Preferably, the top of the beam pouring sleeve is provided with pouring holes at two sides.
Preferably, the reinforcing steel bars comprise longitudinal reinforcing steel bars, first transverse reinforcing steel bars and second transverse reinforcing steel bars in preset numbers, wherein the longitudinal reinforcing steel bars sequentially penetrate through the beam pouring sleeve, the upper pouring sleeve and the inner pouring sleeve along the vertical direction and extend to the inner part of the concrete base; the first transverse steel bar is arranged inside the inner pouring sleeve and the upper pouring sleeve along the horizontal direction and is uniformly woven with the longitudinal steel bar; the second transverse steel bars are arranged inside the beam pouring sleeve along the horizontal direction and are uniformly woven with the longitudinal steel bars.
Preferably, the fixing sleeve and the inner pouring sleeve are fixedly connected through a first bolt and a second bolt, wherein the first bolt is arranged below the stabilizer bar, and the second bolt is arranged above the stabilizer bar.
Preferably, the inner casting sleeve and the upper casting sleeve are fixedly connected through a third bolt.
Further preferably, the beam casting sleeve and the upper casting sleeve are fixedly connected through a fourth bolt.
According to another aspect of the present invention, there is provided a steel prestressed concrete composite girder manufactured using the above casting mold.
Generally, compared with the prior art, the above technical solution conceived by the present invention mainly has the following technical advantages:
1. the invention provides a pouring mould of a steel prestressed concrete composite beam, which is characterized in that a pouring groove is formed in a concrete base to fix a vertically placed fixed plate, and a fixed sleeve and the fixed plate are connected by using a stabilizer bar to form a right-angled trapezoid stable structure, so that the stability and the construction safety of the base can be effectively improved; meanwhile, the structure of the pouring sleeve in the pouring mold is optimized, the steel prestressed concrete composite beam is prepared by using a splicing and combined pouring method, the sequential pouring and combined forming can be realized, the air-drying forming is quick, and the pouring mold is convenient to disassemble independently, so that the recycling can be realized, the advantages of convenience in installation and improvement of construction efficiency are realized, and the steel prestressed concrete composite beam is suitable for archaized buildings;
2. in addition, the invention can further improve the stability and the safety of the steel prestressed concrete composite beam by optimizing the composition and the arrangement mode of the steel bars.
Drawings
Fig. 1 is a sectional view of a casting mold for a steel prestressed type concrete composite girder constructed according to a preferred embodiment of the present invention;
fig. 2 is a front view of a casting mold for a steel prestressed concrete composite girder constructed in accordance with a preferred embodiment of the present invention.
The same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein:
the method comprises the following steps of 1-concrete base, 2-fixing sleeve, 3-pouring sleeve, 4-first bolt, 5-pouring groove, 6-fixing plate, 7-stabilizer bar, 8-second bolt, 9-upper pouring sleeve, 10-third bolt, 11-longitudinal steel bar, 12-first transverse steel bar, 13-pouring hole, 14-bearing plate, 15-beam pouring sleeve, 16-fourth bolt and 17-second transverse steel bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention. In addition, the technical features involved in the respective embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, a casting mold for a steel prestressed concrete composite beam according to an embodiment of the present invention includes a fixing plate 6, a fixing sleeve 2, a stabilizer bar 7, and a casting sleeve, wherein: the concrete base 1 is a combined beam base which is cast and produced in batch, casting grooves 5 are formed in two sides of the concrete base, and two fixing plates 6 respectively penetrate through the casting grooves 5 to extend into the concrete base 1 and are fixed through casting; the two fixing sleeves 2 are symmetrically arranged on the inner side of the fixing plate 6, the front and the back of the fixing sleeves are fixed through the first bolts 4, the fixing plates 6 are fixedly connected to the sides, away from each other, of the two fixing sleeves 2, and the bottoms of the fixing sleeves 2 are in contact with the top of the concrete base 1; the fixing plate 6 is fixedly connected with stabilizer bars 7 on the opposite side of the fixing sleeve 2, one end of each stabilizer bar 7 is connected with the fixing sleeve 2, and the other end of each stabilizer bar 7 is connected with the fixing plate 6; the pouring sleeve is fixed inside the fixed sleeve 2 and used for placing the steel bars and pouring concrete, so that the steel prestressed concrete composite beam is obtained.
Further, the pouring sleeve comprises an inner pouring sleeve 3, an upper pouring sleeve 9 and a beam pouring sleeve 15, the inner pouring sleeve 3 penetrates through the fixed sleeve 2, the top of the inner pouring sleeve extends to the outside of the fixed sleeve 2, the inner pouring sleeve 3 is fixedly connected with the fixed sleeve 2 through a first bolt 4 and a second bolt 8, the first bolt 4 is arranged below the stabilizer bar 7, and the second bolt 8 is arranged above the stabilizer bar 7; the upper pouring sleeves 9 are connected with the top parts of the inner pouring sleeves 3 through third bolts 10, bearing plates 14 are arranged on two sides of each upper pouring sleeve 9, and the front faces and the back faces of the two upper pouring sleeves 9 are fixedly connected through second bolts 8; the crossbeam is pour the cover 15 and is established in the outside of pouring the cover 9 on to be located the upside of bearing plate 14, pour the cover 9 through fourth bolt 16 with last and be connected, the crossbeam is pour the both sides at cover 15 top and all seted up and pour hole 13.
Further, the reinforcing steel bars comprise longitudinal reinforcing steel bars 11, first transverse reinforcing steel bars 12 and second transverse reinforcing steel bars 17 which are in preset quantity, wherein the longitudinal reinforcing steel bars 11 sequentially penetrate through the beam pouring sleeve 15, the upper pouring sleeve 9 and the inner pouring sleeve 3 along the vertical direction and extend to the inside of the concrete base 1, and through grooves which are matched with the longitudinal reinforcing steel bars 11 to penetrate through are uniformly formed in the top of the concrete base 1; the first transverse steel bars 12 are arranged in the pouring sleeves 3 and the upper pouring sleeve 9 in the horizontal direction and are uniformly woven with the longitudinal steel bars 11; the second transverse reinforcing steel bars 17 are horizontally arranged inside the beam casting sleeve 15 and are uniformly woven with the longitudinal reinforcing steel bars 11.
The concrete process for preparing the steel prestressed concrete composite beam by using the die provided by the preferred embodiment of the invention comprises the following steps: placing the poured and formed concrete base 1 on the ground, weaving the longitudinal steel bars 11 and the first transverse steel bars 12 into a steel bar pouring net, and penetrating the inside of a penetrating groove at the top of the concrete base 1. To place fixed plate 6 and fixed cover 2 together through stabilizer bar 7 welding at the top of concrete base 1, aim at the bottom of fixed plate 6 the fixed slot and place into, fix the front and the back of two fixed covers 2 through first bolt 4 and get up to fix fixed plate 6 at the top of concrete base 1, fixed cover 2 and fixed plate 6 formation right trapezoid stable structure after 7 welding through stabilizer bar. The two inner casting sleeves 3 are respectively sleeved outside the steel bar casting net and positioned inside the two fixed sleeves 2, so that the bottoms of the inner casting sleeves 3 are in contact with the top of the concrete base 1, and then the two upper casting sleeves 9 are respectively and fixedly connected to the tops of the two inner casting sleeves 3 through third bolts 10. The two upper pouring sleeves 9 are fixed together through the fourth bolt 16, concrete is poured into the upper pouring sleeves 9, and the interior of the upper pouring sleeves 9 and the interior of the inner pouring sleeves 3 are filled with the concrete in sequence. After filling, the second transverse reinforcement 17 is woven with the longitudinal reinforcement 11 above the upper casting sleeve 9, and then the two beam casting sleeves 15 are respectively placed on the top of the two bearing plates 14 and on both sides of the mesh reinforcement woven by the second transverse reinforcement 17 and the longitudinal reinforcement 11, thereby completely wrapping the mesh reinforcement. The two beam pouring sleeves 15 are fixed from the front and the back through the fourth bolts 16, then concrete is poured into the beam pouring sleeves 15 through the pouring holes 13 in the tops of the two beam pouring sleeves 15, and after the concrete is filled, the combined beam is assembled successfully after the concrete is formed. Pour cover 3, go up and pour cover 9 and crossbeam through fixed cover 2, interior establishing and pour cover 15 and make up in proper order, pour again, be convenient for construct the inside concrete of roof beam and air-dry the shaping fast to make things convenient for the workman to install, improved the efficiency of construction.
In the demolding process, firstly, the fourth bolt 16 is screwed off, and the two beam pouring sleeves 15 are demolded and taken down from two sides; then the third bolt 10 is unscrewed to take the two upper pouring sleeves 9 down from the top of the inner pouring sleeve 3; then unscrew first bolt 4, reciprocate two fixed covers 2, drive fixed plate 6 and shift out from the inside of fixed slot, establish in the drive and pour cover 3 rebound, can establish in will pour cover 3 and fixed cover 2 separately and take off, accomplish the drawing of patterns of composite beam, be convenient for pour the mould and pour the use next time, it can conveniently dismantle to pour the mould, is convenient for carry out cyclic utilization.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (6)

1. The utility model provides a casting mold of steel prestressing force type concrete composite beam, its characterized in that, this casting mold includes fixed plate (6), fixed cover (2), stabilizer bar (7) and pours the cover, wherein: the two fixing plates (6) respectively penetrate through the pouring grooves (5) in the concrete base (1) and extend into the concrete base (1); the two fixing sleeves (2) are symmetrically arranged on the inner side of the fixing plate (6), meanwhile, the two stabilizer bars (7) are symmetrically and obliquely arranged between the fixing plate (6) and the fixing sleeves (2), one end of each stabilizer bar (7) is connected with the fixing sleeve (2), and the other end of each stabilizer bar is connected with the fixing plate (6); the pouring sleeve is fixed inside the fixed sleeve (2) and used for placing steel bars and pouring concrete, the pouring sleeve comprises an inner pouring sleeve (3), an upper pouring sleeve (9) and a beam pouring sleeve (15), the inner pouring sleeve (3) penetrates through the fixed sleeve (2) and the top of the inner pouring sleeve extends to the outside of the fixed sleeve (2); the upper pouring sleeve (9) is connected with the top of the inner pouring sleeve (3), and bearing plates (14) are arranged on two sides of the upper pouring sleeve (9); the beam pouring sleeve (15) is sleeved on the outer side of the upper pouring sleeve (9) and is positioned on the upper side of the bearing plate (14);
the reinforcing steel bars comprise longitudinal reinforcing steel bars (11), first transverse reinforcing steel bars (12) and second transverse reinforcing steel bars (17) in a preset number, wherein the longitudinal reinforcing steel bars (11) sequentially penetrate through the beam pouring sleeve (15), the upper pouring sleeve (9) and the inner pouring sleeve (3) along the vertical direction and extend to the interior of the concrete base (1); the first transverse steel bar (12) is arranged inside the inner pouring sleeve (3) and the upper pouring sleeve (9) along the horizontal direction and is uniformly woven with the longitudinal steel bar (11); the second transverse steel bars (17) are arranged inside the beam pouring sleeve (15) along the horizontal direction and are uniformly woven with the longitudinal steel bars (11).
2. The pouring mold for the steel prestressed concrete composite beam according to claim 1, wherein the pouring holes (13) are formed on both sides of the top of the beam pouring sleeve (15).
3. The casting mold for steel prestressed concrete composite girders according to claim 1, characterized in that said securing sleeves (2) and built-in casting sleeves (3) are fixedly connected by first bolts (4) and second bolts (8), wherein said first bolts (4) are disposed below said stabilizer bar (7) and said second bolts (8) are disposed above said stabilizer bar (7).
4. The casting mold for a steel prestressed concrete composite girder according to claim 1, wherein the inner casting sleeve (3) is fixedly connected to the upper casting sleeve (9) by means of a third bolt (10).
5. Pouring mould for steel prestressed concrete composite girders according to any of claims 1 to 4, characterized in that said beam pouring jacket (15) is fixedly connected to said upper pouring jacket (9) by means of fourth bolts (16).
6. A steel prestressed concrete composite girder manufactured by using the casting mold according to any one of claims 1 to 5.
CN202011065401.7A 2020-09-30 2020-09-30 Steel prestressed concrete composite beam and pouring mold thereof Active CN114319718B (en)

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CN202011065401.7A CN114319718B (en) 2020-09-30 2020-09-30 Steel prestressed concrete composite beam and pouring mold thereof

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Application Number Priority Date Filing Date Title
CN202011065401.7A CN114319718B (en) 2020-09-30 2020-09-30 Steel prestressed concrete composite beam and pouring mold thereof

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CN114319718B true CN114319718B (en) 2023-03-14

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2893055Y (en) * 2006-06-14 2007-04-25 北京建工一建工程建设有限公司 Super high wall body three-section form
KR20100106815A (en) * 2009-03-24 2010-10-04 동도산업 주식회사 A mold for i-girder
JP2015010414A (en) * 2013-07-01 2015-01-19 東日本旅客鉄道株式会社 Manufacturing method of reinforced concrete member
CN209307876U (en) * 2018-12-21 2019-08-27 杭州德洋钢构有限公司 A kind of bridge pier tool combined steel formwork
CN110409282A (en) * 2019-07-22 2019-11-05 东南大学 It is a kind of based on permanent post-tensioned prestressing UHPC set decking without the rib prestressed Self-curing combination beam of abdomen and construction method
CN110485276A (en) * 2019-08-15 2019-11-22 齐鲁交通发展集团有限公司 A kind of combined anti-seismic pier stud and its without templating construction method
CN110846999A (en) * 2019-11-19 2020-02-28 吉林建筑科技学院 Assembled prestressed steel and concrete combined box girder and construction process
CN210210806U (en) * 2019-05-21 2020-03-31 高迪 T beam mold board strutting arrangement

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2893055Y (en) * 2006-06-14 2007-04-25 北京建工一建工程建设有限公司 Super high wall body three-section form
KR20100106815A (en) * 2009-03-24 2010-10-04 동도산업 주식회사 A mold for i-girder
JP2015010414A (en) * 2013-07-01 2015-01-19 東日本旅客鉄道株式会社 Manufacturing method of reinforced concrete member
CN209307876U (en) * 2018-12-21 2019-08-27 杭州德洋钢构有限公司 A kind of bridge pier tool combined steel formwork
CN210210806U (en) * 2019-05-21 2020-03-31 高迪 T beam mold board strutting arrangement
CN110409282A (en) * 2019-07-22 2019-11-05 东南大学 It is a kind of based on permanent post-tensioned prestressing UHPC set decking without the rib prestressed Self-curing combination beam of abdomen and construction method
CN110485276A (en) * 2019-08-15 2019-11-22 齐鲁交通发展集团有限公司 A kind of combined anti-seismic pier stud and its without templating construction method
CN110846999A (en) * 2019-11-19 2020-02-28 吉林建筑科技学院 Assembled prestressed steel and concrete combined box girder and construction process

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