CN109129849B - Prefabricated beam wedge block and embedded bolt mounting die and construction method thereof - Google Patents
Prefabricated beam wedge block and embedded bolt mounting die and construction method thereof Download PDFInfo
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- CN109129849B CN109129849B CN201811254128.5A CN201811254128A CN109129849B CN 109129849 B CN109129849 B CN 109129849B CN 201811254128 A CN201811254128 A CN 201811254128A CN 109129849 B CN109129849 B CN 109129849B
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- 238000010276 construction Methods 0.000 title claims abstract description 15
- 239000002131 composite material Substances 0.000 claims abstract description 22
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 12
- 239000011083 cement mortar Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 21
- 239000010959 steel Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 4
- 238000009417 prefabrication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/22—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/0056—Means for inserting the elements into the mould or supporting them in the mould
Abstract
The invention provides a prefabricated beam wedge block and embedded bolt mounting die and a construction method thereof, wherein the mounting die comprises a main die and an auxiliary die, the auxiliary die comprises a rectangular frame and a fully-laid composite plate with an embedded hole, the main die comprises an upper die plate and a lower die plate which are both arranged in the embedded hole of the rectangular frame, the upper die plate and the lower die plate are rectangular plates, adjusting holes penetrating through the embedded bolts are formed in the plate surfaces of the lower die plate corresponding to the embedded bolts, and an operation hole is formed in the center position of the lower die plate; the four corners on the bottom surface are correspondingly provided with adjusting sleeves, and the upper template is correspondingly provided with positioning holes for embedded bolts; when construction operation, main mould and auxiliary mold all set up on precast beam bed pedestal, realize the altitude mixture control of main mould through lift adjustment sleeve connection's adjusting bolt to adapt to wedge thickness, realize the location of pre-buried bolt through the regulation hole. The auxiliary die is integrally prefabricated, so that working hours can be effectively saved, the main die is adjustable, the operation is simple and convenient, and the practicability is high.
Description
Technical Field
The invention relates to the field of civil construction, in particular to a prefabricated beam wedge block and embedded bolt mounting die and a construction method thereof.
Background
Along with the development of bridge engineering, the application of the bridge engineering in railways, highways and urban roads is increasing, and in the implementation process of bridge engineering, the standard segment prefabrication method is mostly adopted, and the structural forms of prefabrication box girders, T girders, hollow slab girders and the like are appeared, and the girder bottoms of the prefabrication girders are generally provided with wedge blocks and fixing bolts of supports. The conventional method is to reserve wedge position holes on a prefabricated pedestal, fill the reserved holes with medium coarse sand, control the elevation and gradient of the wedge according to the filling amount of the medium coarse sand, fix pre-buried support bolts on a steel reinforcement framework, and the method is low in accuracy, poor in beam bottom appearance and unfavorable for the installation of subsequent supports. Therefore, it is necessary to provide a mold and a construction method thereof, which are convenient for construction, can accurately control the height and the gradient of the wedge-shaped block, and have higher position accuracy of the embedded bolt.
Disclosure of Invention
The invention provides a prefabricated beam wedge block and embedded bolt mounting die and a construction method thereof, which are used for solving the problems, and the concrete scheme is as follows:
the installing die for the wedge-shaped blocks and the embedded bolts of the precast beams comprises a main die and an auxiliary die, wherein the auxiliary die comprises a rectangular frame and a composite plate fully paved at the upper port of the rectangular frame, and an embedded hole penetrating through the main die is formed in the composite plate; the main die is arranged in the embedded hole of the rectangular frame and comprises an upper die plate and a lower die plate, wherein the height difference formed between the upper die plate and the composite plate is matched with the height of the wedge-shaped block.
An inclined plate is arranged on one side edge of the main die; the inclined plate is positioned at the inner side of the stretching direction of the precast beam and is correspondingly connected with the rectangular frame through a group of support rods.
The included angle between the inclined plate and the upper template is an obtuse angle.
And gaps between the main die and the auxiliary die are filled with cement mortar.
The upper template is a rectangular plate, and positioning holes for embedded bolts are correspondingly formed in the upper template; the locating holes are round holes, and the diameter of the locating holes is matched with that of the embedded bolts.
The lower template is a rectangular plate, an adjusting hole penetrating through the embedded bolt is formed in the plate surface corresponding to the embedded bolt, and an operating hole is formed in the center of the lower template; four corners on the bottom surface are correspondingly provided with adjusting sleeves.
The mounting die is placed on a pedestal at the bottom of the precast beam, and the lower die plate is connected with the pedestal in an adjustable manner through an adjusting bolt; the lower end of the embedded bolt is connected with the adjusting hole of the lower template through the connecting sleeve, and the upper end of the embedded bolt passes through the positioning hole of the upper template; the wedge block penetrates through the embedded bolt and is installed on the top surface of the upper template, and the upper surface is flush with the composite board.
The upper end of the adjusting bolt is in threaded connection with an adjusting sleeve corresponding to the lower template, and the lower end of the adjusting bolt is in threaded connection with a sleeve arranged on a pedestal at the bottom of the beam; the connecting sleeve is embedded in the adjusting hole of the lower template.
The regulating hole is a slotted hole, the width of the regulating hole is adaptive to the diameter of the connecting sleeve, and the length of the regulating hole is 100-200 mm.
The construction method of the installation structure comprises the following specific steps:
firstly, manufacturing an auxiliary die, mounting an inclined plate with a support rod on a rectangular frame, fully paving a composite plate at the top port of the rectangular frame, and arranging the auxiliary die after mounting on a precast beam pedestal; the length and the width of the embedded hole of the composite board are determined according to the size of the lower template in the main die;
step two, manufacturing a main die, wherein an operation hole is drilled at the center of a lower die block, adjusting sleeves are arranged at four corners of the bottom surface of the lower die block, and adjusting holes are arranged at the inner sides of the four corners of the lower die block;
step three, installing a main die at an auxiliary die pre-buried hole, determining the position of a lower die plate on a bottom platform according to the position of a prefabrication Liang Zhongxian, aligning the central lines of the main die plate and the lower die plate, installing an adjusting bolt in a sleeve on a precast beam pedestal through an operating hole, and lifting the adjusting bolt to enable the height of the lower die plate from the composite plate to be the sum of the thicknesses of a wedge block and an upper die plate;
step four, the connecting sleeve is clamped in the adjusting hole, and the connecting sleeve is adjusted according to the position of the embedded bolt;
installing the embedded bolts on the connecting sleeve and penetrating through the upper template positioning holes, wherein the upper template positioning holes are arranged according to the positions of the embedded bolts;
step six, leveling the joints among the upper template, the lower template and the auxiliary mould by adopting cement mortar;
and step seven, fixedly mounting the wedge blocks and the embedded bolts of the precast beams, lifting the beams after the wedge blocks and the embedded bolts are finished, and taking out the upper template for recycling.
The invention has the following beneficial effects:
according to the invention, through the fixed installation of the wedge-shaped blocks and the embedded bolts, the position accuracy of the embedded bolts can be effectively increased, so that the quality of the precast beam body is improved, and the height of the die and the position of the embedded bolts can be adjusted by the main die according to the thickness of the wedge-shaped blocks, so that the die is applicable to different precast beam bodies, and the usable range of the die is increased; the auxiliary die is integrally prefabricated, so that the construction time is effectively saved, and the upper inclined plate can effectively protect the corners of the wedge-shaped blocks of the prefabricated beam in the tensioning process, so that the overall attractiveness of the prefabricated beam is ensured; the invention can be prefabricated in a standardized way in construction and use, can be recycled for multiple times, has simple integral structure, is simple and convenient to operate, and is easy to construct.
Drawings
FIG. 1 is a schematic view of the internal construction of a mounting die;
FIG. 2 is an overall schematic diagram of an installation mold;
FIG. 3 is a schematic view of a lower template;
fig. 4 is a schematic diagram of the cope match-plate.
Reference numerals: 1-a rectangular frame; 2-composite board; 3-sloping plates; 4-lower template; 5-upper template; 6-cement mortar; 7-supporting the rod piece; 8-adjusting bolts; 9-adjusting the sleeve; 10-connecting a sleeve; 11-embedding bolts; 12-adjusting holes; 13-operating hole.
Detailed Description
In the embodiment, the wedge-shaped blocks and the embedded bolts of the prefabricated box-shaped beams are taken as examples, as shown in fig. 1 and 2, a rectangular frame 1 in an auxiliary die is formed by adopting 20# channel steel in a sealing and welding mode, the length is not less than 13000mm, the width is not less than Liang Dekuan, a composite plate 2 fully paved on the top surface of a port of the rectangular frame 1 is a 5+1 composite steel plate, and the composite steel plate is fixed by welding, wherein an embedded hole for installing a main die is reserved in the composite steel plate; the sloping plate 3 adopts a 50X 50mm plate as a chamfer angle, and the supporting rod piece 7 welded with the channel steel is a reinforcing steel bar of brave 12.
As shown in fig. 3 and 4, in this embodiment, the lower template 4 is a 2cm steel template, the size is 700×600mm, an operation hole 13 with a diameter of 300mm is formed in the center of the 2cm steel template, and simultaneously, an adjusting sleeve 9 of a braun 40 is welded at four angular positions on the back of the 2cm steel template, and an adjusting bolt 8 is installed, the adjusting bolt 8 is connected with a precast beam pedestal through a sleeve, and the installation height of the 2cm steel template is adjusted by screwing the adjusting bolt 8 through the operation hole 13; the upper template 5 adopts a 1cm steel template, the size of which is 700 multiplied by 500mm, and a locating hole is punched according to the determined position of the embedded bolt 11 of the support.
In this embodiment, the adjusting holes 12 are formed according to the size of the connecting sleeve 10 of the embedded bolt 11, the adjusting holes 12 are formed by firstly forming round holes at the positions of the connecting sleeve 10 determined according to the positions of the center lines of the support seats of the prefabricated beam body, then forming the same round holes by extending 100mm towards the stretching direction of the prefabricated beam, and communicating the two round holes to form an integral chute, and when the beam length is changed by 100mm, the connecting sleeve 10 can be adjusted according to the center lines of the different support seats of the prefabricated beam body, so that the positions of the embedded bolts 11 can be adjusted.
The specific implementation steps during construction are as follows:
step one, determining the center position of a support according to the length of a precast beam, and installing an auxiliary installation module on a precast beam pedestal, wherein the size of a pre-buried hole corresponds to the size of a 2cm steel template die.
And step two, adjusting and installing the 2cm steel template according to the position of the central line of the embedded support, aligning the central line of the 2cm steel template with the central line of the embedded support, connecting an adjusting bolt 8 through an adjusting sleeve 9, and connecting the adjusting bolt 8 with the sleeve on the precast beam pedestal.
And thirdly, adjusting the adjusting bolts 8 according to the actual size of the wedge-shaped block, so that the height difference between the 2cm steel template and the composite board 2 is the sum of the thicknesses of the wedge-shaped block and the 1cm steel template.
And step four, adjusting the connecting sleeve 10 in the adjusting hole 12 to correspond to the design pre-buried position of the support, and connecting the pre-buried bolt 11 on the connecting sleeve 10.
And fifthly, installing a 1cm steel template, enabling the embedded bolts 11 to penetrate through the positioning holes and be fixed, checking the center line of the steel plate and the center line of the support, and enabling the error to be not more than 1mm.
Step six, plugging the gaps of the steel plate mould with the thickness of 2cm, the steel template with the thickness of 1cm and the auxiliary installation module by using cement mortar 6.
And step seven, fixedly mounting the wedge blocks and the embedded bolts 11 of the box beam, finishing the rear lifting beam, taking out the 1cm steel template, and recycling.
It is to be understood that the above examples are presented solely for the purpose of clearly illustrating the salient features of the present invention and are not intended to limit the scope of the present invention; other variations and modifications of the present invention will be apparent to those of skill in the art, and it is intended to cover all such modifications and variations of this invention without departing from the scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a precast beam wedge and embedded bolt's mounting die which characterized in that: the composite board comprises a main die and an auxiliary die, wherein the auxiliary die comprises a rectangular frame (1) and a composite board (2) fully paved on the upper port of the rectangular frame (1), and a pre-buried hole penetrating through the main die is formed in the composite board (2); the main die is arranged in a pre-buried hole of the rectangular frame (1) and comprises an upper die plate (5) and a lower die plate (4), wherein the height difference formed between the upper die plate (5) and the composite plate (2) is matched with the height of the wedge-shaped block;
the upper template (5) is a rectangular plate, and positioning holes for embedded bolts (11) are correspondingly formed in the upper surface of the upper template; the positioning holes are round holes, and the diameter of the positioning holes is matched with that of the embedded bolts (11);
the lower template (4) is a rectangular plate, an adjusting hole (12) penetrating through the embedded bolt (11) is formed in the plate surface corresponding to the embedded bolt (11), and an operating hole (13) is formed in the center of the lower template.
2. The installation die of the precast beam wedge block and the embedded bolt according to claim 1, wherein: an inclined plate (3) is arranged at one side of the main die; the inclined plate (3) is positioned at the inner side of the stretching direction of the precast beam and is correspondingly connected with the rectangular frame (1) through a group of support rods (7).
3. The installation die of the precast beam wedge block and the embedded bolt according to claim 1, wherein: the included angle between the inclined plate (3) and the upper template (5) is an obtuse angle.
4. The prefabricated Liang Xiexing block and embedded bolt mounting die of claim 1, wherein: the gap between the main die and the auxiliary die is filled with cement mortar (6).
5. The prefabricated Liang Xiexing block and embedded bolt mounting die of claim 1, wherein: four corners on the bottom surface of the lower template (4) are correspondingly provided with adjusting sleeves (9).
6. The installation die of the precast beam wedge block and the embedded bolt according to claim 1, wherein: the mounting die is placed on a pedestal at the bottom of the precast beam, and the lower die plate (4) is connected with the pedestal in an adjustable way through an adjusting bolt (8); the lower end of the embedded bolt (11) is connected with an adjusting hole (12) of the lower template (4) through a connecting sleeve (10), and the upper end of the embedded bolt (11) passes through a positioning hole of the upper template (5); the wedge block penetrates through the embedded bolt (11) and is installed on the top surface of the upper template (5), and the upper surface is flush with the composite board (2).
7. The installation die of the precast beam wedge block and the embedded bolt according to claim 1, wherein: the upper end of the adjusting bolt (8) is in threaded connection with an adjusting sleeve (9) corresponding to the lower template (4), and the lower end of the adjusting bolt is in threaded connection with a sleeve arranged on a pedestal at the bottom of the beam; the connecting sleeve (10) is embedded in an adjusting hole (12) of the lower template (4).
8. The installation die of the precast beam wedge block and the embedded bolt according to claim 1, wherein: the regulating hole (12) is a slotted hole, the width of the regulating hole is matched with the diameter of the connecting sleeve (10), and the length of the regulating hole is 100-200 mm.
9. A construction method of the prefabricated Liang Xiexing block and embedded bolt mounting die as claimed in any one of claims 1 to 8, comprising the following specific steps:
firstly, manufacturing an auxiliary die, mounting an inclined plate (3) with a support rod piece (7) on a rectangular frame (1), fully paving a composite plate (2) at the top port of the rectangular frame (1), and arranging the auxiliary die after mounting on a precast beam pedestal; wherein the length and the width of the embedded hole of the composite board (2) are determined according to the size of the lower template (4) in the main die;
step two, manufacturing a main die, wherein an operation hole (13) is drilled at the center of a lower die block, adjusting sleeves (9) are arranged at four corners of the bottom surface of the lower die block, and adjusting holes (12) are formed in the inner sides of the four corners of the lower die block;
step three, installing a main die at an auxiliary die pre-buried hole, determining the position of a lower die plate (4) on a bottom platform according to the position of a pre-fabricated Liang Zhongxian, aligning the two lines, installing an adjusting bolt (8) in a sleeve on a pre-fabricated beam pedestal through an operating hole (13), and lifting the adjusting bolt (8) to enable the height of the lower die plate (4) from the composite plate (2) to be the sum of the thicknesses of a wedge block and an upper die plate (5);
step four, the connecting sleeve (10) is clamped in the adjusting hole (12), and the connecting sleeve (10) is adjusted according to the position of the embedded bolt (11);
installing the embedded bolts (11) on the connecting sleeve (10) and penetrating through positioning holes of the upper template (5), wherein the positioning holes of the upper template (5) are arranged according to the positions of the embedded bolts (11);
step six, leveling the joint between the upper template (5), the lower template (4) and the auxiliary mould by adopting cement mortar (6);
and step seven, fixedly mounting a precast beam wedge block and an embedded bolt (11), carrying out beam lifting after the completion, and taking out the upper template (5) for recycling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811254128.5A CN109129849B (en) | 2018-10-26 | 2018-10-26 | Prefabricated beam wedge block and embedded bolt mounting die and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811254128.5A CN109129849B (en) | 2018-10-26 | 2018-10-26 | Prefabricated beam wedge block and embedded bolt mounting die and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109129849A CN109129849A (en) | 2019-01-04 |
| CN109129849B true CN109129849B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811254128.5A Active CN109129849B (en) | 2018-10-26 | 2018-10-26 | Prefabricated beam wedge block and embedded bolt mounting die and construction method thereof |
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| CN (1) | CN109129849B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111469253A (en) * | 2020-04-09 | 2020-07-31 | 中铁十四局集团第一工程发展有限公司 | Assembled multifunctional steel structure box girder pedestal |
| CN113530002B (en) * | 2021-08-13 | 2022-07-08 | 山东天元建设机械有限公司 | Metal damper installation device and construction method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006283280A (en) * | 2005-03-31 | 2006-10-19 | Akita Univ | Precast fiber-reinforcement embedded form without using steel member, and floor slab |
| CN200942556Y (en) * | 2006-05-09 | 2007-09-05 | 刘山健 | Prefabricated steel reinforced concrete culvert doorframe-shape component mould |
| CN102644378A (en) * | 2012-05-05 | 2012-08-22 | 武汉常博建设集团有限公司 | Method and clamping device for embedding rebar of framework structure perpendicular to stand column surface |
| CN204435409U (en) * | 2015-01-31 | 2015-07-01 | 陕西建工安装集团有限公司 | A kind of embedding anchor bolts construction jig |
| CN207062973U (en) * | 2017-07-19 | 2018-03-02 | 中国核工业第二二建设有限公司 | A kind of frock for aiding in accurately foot bolt Embedment Construction |
| CN108104488A (en) * | 2017-11-22 | 2018-06-01 | 中国二十冶集团有限公司 | The installation method of pre-embedded anchoring bolts |
| CN108412198A (en) * | 2018-04-17 | 2018-08-17 | 中国建筑第八工程局有限公司 | Adjustable reserved-hole die and its installation method |
| CN209552027U (en) * | 2018-10-26 | 2019-10-29 | 中建一局集团第二建筑有限公司 | A kind of precast beam wedge block and pre-embedded bolt installation mold |
-
2018
- 2018-10-26 CN CN201811254128.5A patent/CN109129849B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006283280A (en) * | 2005-03-31 | 2006-10-19 | Akita Univ | Precast fiber-reinforcement embedded form without using steel member, and floor slab |
| CN200942556Y (en) * | 2006-05-09 | 2007-09-05 | 刘山健 | Prefabricated steel reinforced concrete culvert doorframe-shape component mould |
| CN102644378A (en) * | 2012-05-05 | 2012-08-22 | 武汉常博建设集团有限公司 | Method and clamping device for embedding rebar of framework structure perpendicular to stand column surface |
| CN204435409U (en) * | 2015-01-31 | 2015-07-01 | 陕西建工安装集团有限公司 | A kind of embedding anchor bolts construction jig |
| CN207062973U (en) * | 2017-07-19 | 2018-03-02 | 中国核工业第二二建设有限公司 | A kind of frock for aiding in accurately foot bolt Embedment Construction |
| CN108104488A (en) * | 2017-11-22 | 2018-06-01 | 中国二十冶集团有限公司 | The installation method of pre-embedded anchoring bolts |
| CN108412198A (en) * | 2018-04-17 | 2018-08-17 | 中国建筑第八工程局有限公司 | Adjustable reserved-hole die and its installation method |
| CN209552027U (en) * | 2018-10-26 | 2019-10-29 | 中建一局集团第二建筑有限公司 | A kind of precast beam wedge block and pre-embedded bolt installation mold |
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| CN109129849A (en) | 2019-01-04 |
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