CN103806651B - A kind of method utilizing crane span structure installation of embedded parts crane span structure - Google Patents
A kind of method utilizing crane span structure installation of embedded parts crane span structure Download PDFInfo
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- CN103806651B CN103806651B CN201410067383.4A CN201410067383A CN103806651B CN 103806651 B CN103806651 B CN 103806651B CN 201410067383 A CN201410067383 A CN 201410067383A CN 103806651 B CN103806651 B CN 103806651B
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Abstract
Utilize a method for above-mentioned crane span structure installation of embedded parts crane span structure, comprise the following steps: a, making crane span structure built-in fitting; B, crane span structure built-in fitting location and installation: through threaded connection hole, crane span structure built-in fitting and cast-in-place structural template are fixed with bolt; C, cram crane span structure threaded connection hole with filler, and in the two ends sticking cloth sealing of crane span structure threaded connection hole; D, concreting; E, cleaning filler and sealing adhesive plaster; Before building, crane span structure threaded connection hole is crammed and sealed, concrete can be avoided to pour into in crane span structure threaded connection hole, be convenient to follow-up being threaded, improve and connect precision and joint efficiency; Crammed entrance hole before building and seal, can avoid spillage, making that entrance hole internal gutter is level and smooth, burr is few, inner spool not easily scratches when mobile.
Description
The application is divisional application.
The denomination of invention of original application: a kind of crane span structure built-in fitting and utilize the method for this crane span structure installation of embedded parts crane span structure
The application number of original application: 201210163726.8
The applying date of original application: on May 24th, 2012
Technical field
The present invention relates to the apparatus and method that a kind of crane span structure is installed, especially a kind of crane span structure built-in fitting for having assisted crane span structure to install in vertical shaft hole and utilize the method for this crane span structure installation of embedded parts crane span structure.
Background technology
The mounting method of cable testing bridge is mainly divided into along mounting of roof plate, installs, along vertical shaft installation etc. along wall level.
In engineering house and office main building, every layer is provided with distribution well, and each layer distribution well location puts unification, some buses and cable testing bridge is had in distribution well, due to limited space in distribution well, and all need through-flooring to lay, usually need adopt the method installing cables crane span structure installed along vertical shaft.
Existing method is: after making hole reservation mould by bamboo slab rubber or woodwork plate, build and form the reserving hole mutually adaptive with the rest size of cable testing bridge, and remove hole reservation mould by hand, and crane span structure is bolted together in reserving hole, mainly comprise following step: determine hole to be provided size → make formwork for placing → concreting → stripping → cleaning hole → erection bridge → crane span structure perforate → crane span structure distribution (i.e. installing wire, cable in crane span structure) according to the size of reserving hole.
Above-mentioned cable testing bridge, along vertical shaft mounting method, mainly has the following disadvantages:
1, use bamboo slab rubber or woodwork plate to make hole reservation mould, need to remove separately after concreting, complex operation and add construction cost.
2, after crane span structure installs, the perforate of crane span structure corresponding site will be entered at spool, be convenient to electrical line setting, but workman is cumbersome when operating, easily occur irregular hole.And when later stage threading, electric wire or cable easily pull open insulated hull at crane span structure perforate position, cause unnecessary doing over again.
Summary of the invention
The technical problem that the present invention solves is the above-mentioned deficiency overcoming prior art, there is provided a kind of: easy for installation, speed of application is fast, construction quality is better, and the disposable reserved crane span structure built-in fitting construction method of having built without the need to form removal separately after concrete, and one makes, and crane span structure is easy for installation, crane span structure built-in fitting efficiently.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of crane span structure built-in fitting, comprise four plate bodys, described four plate bodys all longitudinally extend, described four plate bodys enclose formation rectangle frame, at least one plate body is provided with crane span structure threaded connection hole, the bottom of at least one plate body is provided with bending, and described bending is transversely extended laterally.Adopt such structure, crane span structure built-in fitting is before hole is built, be fixed in civil engineering template by the bending being arranged at bottom, without the need to removing, installing hole with concrete shape all-in-one-piece crane span structure after concreting, be convenient to the construction that hole installed by crane span structure, and crane span structure is installed, and hole inner wall shape is regular, construction quality good.
Preferably, described bending is vertically arranged with threaded connection hole.Be connected by the bottom thread of the threaded connection hole in bending with civil engineering template, the verticality of hole can be ensured further, improve crane span structure installation accuracy and qualification rate.
Preferably, a plate body is provided with the entrance hole for cross-under cable wherein, described entrance hole runs through plate body.Adopt such structure, be conducive to the layout of cable.
Preferably, the inside of described rectangle frame is provided with at least one support bar, the two ends of described support bar and the inwall of plate body closely connected.Support bar is used as liner at crane span structure built-in fitting and props up plate body, and when can prevent from building, the distortion of crane span structure built-in fitting, improves construction precision and yield rate.
Preferably, the quantity of described support bar is two, and the plate body that the two ends of described two support bars are relative with two of rectangle frame respectively connects.By propping up plate body with support bar in crane span structure built-in fitting, when can prevent from building, the distortion of crane span structure built-in fitting, improves construction precision and yield rate.
Utilize a method for above-mentioned crane span structure installation of embedded parts crane span structure, comprise the following steps:
A, making crane span structure built-in fitting:
B, crane span structure built-in fitting location and installation: through threaded connection hole, crane span structure built-in fitting and cast-in-place structural template are fixed with bolt;
C, concreting; Herein, at the peripheral concreting of crane span structure built-in fitting, and reserving hole is formed;
D, connection crane span structure and crane span structure built-in fitting: through crane span structure threaded connection hole, crane span structure built-in fitting and crane span structure are fixed with bolt.
Adopt such method, construction technology is easy, progress is fast, reserving hole disposal molding gets final product erection bridge, when decreasing over because of employing plank Mold Making reserved opening, artificial, the material that the operations such as form removal cause and the loss in man-hour, and cut off concrete by crane span structure built-in fitting, hole is made to have the more regular inwall of shape, construction quality is better, when can avoid follow-up threading, electric wire or cable scratch at hole inwall, and without the need to manually picking the mouth that burrows separately after concrete consolidation, reduce labour intensity, and improve efficiency of construction.
Preferably, before described step c, arrange two support bars in the inside of crane span structure built-in fitting, the plate body that the two ends of two support bars are relative with two of rectangle frame respectively connects.
As preferably, in above-mentioned crane span structure built-in fitting, described crane span structure threaded connection hole is provided with seal, described seal and crane span structure threaded connection hole removably connect.Adopt such structure, before building, crane span structure threaded connection hole is crammed, concrete can be avoided to pour into in crane span structure threaded connection hole, be convenient to follow-up being threaded, improve and connect precision and joint efficiency; Crammed entrance hole before building, can avoid spillage, make that entrance hole internal gutter is level and smooth, burr is few, inner spool not easily scratches when mobile.
Preferably, described seal comprises filler and sealing adhesive plaster, and described filler is arranged in crane span structure threaded connection hole, and described fluid sealant cloth is arranged at the both sides of crane span structure threaded connection hole.Before building, crane span structure threaded connection hole is crammed and sealed, concrete can be avoided to pour into in crane span structure threaded connection hole, be convenient to follow-up being threaded, improve and connect precision and joint efficiency; Crammed entrance hole before building and seal, can avoid spillage, making that entrance hole internal gutter is level and smooth, burr is few, inner spool not easily scratches when mobile.
Utilize a method for above-mentioned crane span structure installation of embedded parts crane span structure, comprise the following steps:
A, making crane span structure built-in fitting;
B, crane span structure built-in fitting location and installation: through threaded connection hole, crane span structure built-in fitting and cast-in-place structural template are fixed with bolt;
C, cram crane span structure threaded connection hole with filler, and in the two ends sticking cloth sealing of crane span structure threaded connection hole.
D, concreting;
E, cleaning filler and sealing adhesive plaster;
F, connection crane span structure and crane span structure built-in fitting: through crane span structure threaded connection hole, crane span structure built-in fitting and crane span structure are fixed with bolt.
Adopt such method, before building, crane span structure threaded connection hole is crammed and sealed, concrete can be avoided to pour into in crane span structure threaded connection hole, be convenient to follow-up being threaded, improve and connect precision and joint efficiency; Crammed entrance hole before building and seal, can avoid spillage, making that entrance hole internal gutter is level and smooth, burr is few, inner spool not easily scratches when mobile.
Preferably, after step f, in crane span structure built-in fitting, install fire barrier, and at the upper filling fire prevention calking of fire barrier, fire prevention calking is positioned at that crane span structure built-in fitting is inner, the At The Height of cast-in-place structural template.The fireproof partition that one deck is similar to cast-in-place structural template thickness is set up in crane span structure built-in fitting.
Compared with prior art, beneficial effect of the present invention is as follows:
When 1, adopting above-mentioned crane span structure installation of embedded parts crane span structure, construction technology is easy, progress is fast, reserving hole disposal molding gets final product erection bridge, when decreasing over because of employing plank Mold Making reserved opening, artificial, the material that the operations such as form removal cause and the loss in man-hour, without the need to manually picking the mouth that burrows separately after concrete consolidation, reduce labour intensity, and improve efficiency of construction;
2, construction quality is better, cuts off concrete, make hole have the more regular inwall of shape by crane span structure built-in fitting, and when can avoid follow-up threading, electric wire or cable scratch at hole inwall.
Accompanying drawing explanation
Fig. 1 is construction method flow chart of the present invention;
Fig. 2 is the connection diagram of central bridge built-in fitting of the present invention;
Fig. 3 is the structural representation of central bridge built-in fitting of the present invention;
Fig. 4 is the front view of central bridge built-in fitting of the present invention.
Fig. 5 is the lateral view of central bridge built-in fitting of the present invention;
Fig. 6 is the structural representation of fire barrier in the present invention.
Wherein Reference numeral is as follows: crane span structure-1; Plate body-2; Bending-3; Threaded connection hole-4; Crane span structure threaded connection hole-5; Cast-in-place structural template-6; Entrance hole-7; Fire barrier-8; Fire prevention calking-9; Cable-10; Winding displacement hole-11.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
Embodiments of the present invention are not limited to following examples, and the various changes made under the prerequisite not departing from present inventive concept all belong within protection scope of the present invention.
Embodiment 1
As shown in Figure 1 to Figure 3, the present embodiment crane span structure built-in fitting comprises four plate bodys 2, four plate bodys 2 all longitudinally extend, described four plate bodys 2 enclose formation rectangle frame, i.e. four mutual frame shaped bodies that be alternately connected to form square-section, that longitudinally stretch of plate body 2, be the hollow cavity of rectangle in the middle part of rectangle frame, the cavity shape of rectangle frame and the support shape adaptation of crane span structure 1.
In the present embodiment, four plate bodys 2 are linked together by the mode of welding, in all the other embodiments, snapping or the mode that is threaded also can be adopted to be fixed.
A plate body 2 is provided with crane span structure threaded connection hole 5 wherein, the bottom of two opposite plate bodys 2 is provided with bending 3, bending 3 is transversely extended laterally, form wing limit, two bendings 3 are all vertically arranged with threaded connection hole 4, be threaded connection hole 4 bottom thread of bending 3 with civil engineering template is connected, realize the fixing of crane span structure built-in fitting.
When subsequent installation, can directly between crane span structure threaded connection hole 5 and the screwed hole on crane span structure 1 erection bolt be fixed.
A pair non-conterminous two plate body 2 is provided with several crane span structure threaded connection holes 5 wherein, the quantity of crane span structure threaded connection hole 5 and position and be arranged at the quantity of the installing hole on the support of crane span structure 1 and position mutually adaptive, when subsequent installation, can directly between crane span structure threaded connection hole 5 and the installing hole on crane span structure 1 erection bolt be fixed.A plate body 2 is provided with the entrance hole 7 for cross-under cable 10 wherein, described entrance hole 7 runs through plate body 2.
In all the other embodiments, also only crane span structure threaded connection hole 5 can be set on a plate body 2.
In the manufacturing process of crane span structure built-in fitting, determine the size of built-in fitting and bore size and quantity in advance according to the size of cast-in-place structural template 6 thickness, crane span structure 1, spool model, ensure that built-in fitting is disposable and reservedly to put in place.
Utilize a method for the present embodiment crane span structure installation of embedded parts crane span structure, comprise the following steps:
A, making crane span structure built-in fitting:
B, crane span structure built-in fitting location and installation: through threaded connection hole 4, crane span structure built-in fitting and cast-in-place structural template 6 are fixed with bolt;
Refer to Fig. 2 and Fig. 4, erection bolt in the threaded connection hole 4 in each bending 3, is fixedly connected with crane span structure built-in fitting with cast-in-place structural template 6.Before installation in position, first hung the method for vertical line by perforate, guarantee the installation verticality of crane span structure built-in fitting.
Behind location, spool can be penetrated in crane span structure built-in fitting; One of them plate body 2 of crane span structure built-in fitting offers entrance hole 7, and cable 10, spool penetrate in crane span structure built-in fitting by entrance hole 7;
C, concreting;
Concreting, forms the pre-buried hole of crane span structure.After concreting completes, crane span structure built-in fitting is not removed, and fixes the connector of crane span structure as subsequent installation, decreases the operation of making, stripping in standard practice, and improves regularity and the fineness of hole, improves crane span structure positioning precision.
D, connection crane span structure 1 and crane span structure built-in fitting: through crane span structure threaded connection hole 5, crane span structure built-in fitting and crane span structure 1 are fixed with bolt;
Crane span structure 1 is loaded in hole, the support of crane span structure 1 is provided with installation screwed hole, by bolt through after the support of crane span structure 1 and crane span structure threaded connection hole 5, crane span structure 1 and crane span structure built-in fitting and concrete hole are fixed;
If if the curtailment of its support during erection bridge 1, then that can adopt tabular, that two ends are provided with screwed hole lengthening brace carries out lengthening and connects, and guarantees that the crane span structure 1 of levels vertical shaft all can be installed and fixes.
After crane span structure 1 installation in position, the cable 10 being positioned at crane span structure built-in fitting inside is entered crane span structure 1.
Adopt the method erection bridge 1 of the present embodiment, construction technology is easy, progress is fast, direct erection bridge 1 is got final product after reserving hole disposal molding, when decreasing over because of employing plank Mold Making reserved opening, artificial, the material that the operations such as form removal cause and the loss in man-hour, and cut off concrete by crane span structure built-in fitting, hole is made to have the more regular inwall of shape, without the need to manually picking the mouth that burrows separately after concrete consolidation, reduce labour intensity, construction quality is better, and when can avoid follow-up threading, electric wire or cable scratch at hole inwall.
In all the other embodiments, crane span structure built-in fitting can adopt remaining structure and cast-in-place structural template 6 to reinforce the connection, such as, indirectly connect crane span structure built-in fitting and cast-in-place structural template 6 by suspension bracket.
In addition, in all the other embodiments, the quantity being arranged at the threaded connection hole 4 in bending 3 also one, three or more, all can play the bottom stable connection by crane span structure built-in fitting and cast-in-place structural template 6, the quantity of threaded connection hole 4 can increase and decrease according to the actual conditions of construction.
Embodiment 2
Refer to Fig. 2 to Fig. 4, in the present embodiment crane span structure built-in fitting, the inside of described rectangle frame is provided with support bar, the two ends of described support bar and the inwall of plate body 2 closely connected, the quantity of described support bar is two, the plate body 2 that the two ends of two support bars are relative with two of rectangle frame respectively connects, and two non-conterminous plate bodys 2 are shored prop, formed in crane span structure built-in fitting inside and criss-crossly shore structure, in order to support crane span structure built-in fitting, when preventing from building, the distortion of crane span structure built-in fitting, improves construction precision and yield rate.
All the other structures refer to embodiment 1.
Utilize a method for the present embodiment crane span structure installation of embedded parts crane span structure, comprise the following steps:
A, making crane span structure built-in fitting:
B, crane span structure built-in fitting location and installation: through threaded connection hole 4, the cast-in-place structural template 6 in crane span structure built-in fitting and distribution wellhole hole is fixed with bolt; Again cable 10 is penetrated in crane span structure built-in fitting;
C, arrange two support bars in the inside of crane span structure built-in fitting, the plate body 2 that the two ends of two support bars are relative with two of rectangle frame respectively connects.
D, concreting;
E, connection crane span structure 1 and crane span structure built-in fitting: through crane span structure threaded connection hole 5, crane span structure built-in fitting and crane span structure 1 are fixed with bolt, and distribution is carried out to crane span structure 1, i.e. installing wire, cable in crane span structure 1.
All the other steps in the method for the present embodiment crane span structure installation of embedded parts crane span structure are adopted to refer to embodiment 1.
Embodiment 3
As shown in Figures 1 to 4, in the present embodiment crane span structure built-in fitting, described crane span structure threaded connection hole 5 is provided with seal, described seal and crane span structure threaded connection hole 5 removably connect.By cramming crane span structure threaded connection hole 5 before building, avoiding concrete to pour into in crane span structure threaded connection hole 5, being convenient to follow-up being threaded, improve and connect precision and joint efficiency; Described seal comprises filler and sealing adhesive plaster, and described filler is arranged in crane span structure threaded connection hole 5, and described fluid sealant cloth is arranged at the both sides of crane span structure threaded connection hole 5.
Simultaneously, entrance hole 7 is provided with seal, and described seal and entrance hole 7 removably connect, and seal comprises filler and sealing adhesive plaster, described filler is arranged in crane span structure threaded connection hole 5, and described fluid sealant cloth is arranged at the both sides of crane span structure threaded connection hole 5.Crammed entrance hole 7 and seal before building, can avoid spillage, make that entrance hole 7 internal gutter is level and smooth, burr is few, inner spool not easily scratches when mobile.
In all the other embodiments, the seal be arranged in crane span structure threaded connection hole 5 or entrance hole 7 also can be have the stud suitable with crane span structure threaded connection hole 5 internal thread or bolt, is filled with a sealing before concreting; Or fill in the mode of foam stuffing, the effect of spillage when preventing concreting can be played equally, just repeat no more at this.
Utilize a method for the present embodiment crane span structure installation of embedded parts crane span structure, comprise the following steps:
A, making crane span structure built-in fitting;
B, crane span structure built-in fitting location and installation: through threaded connection hole 4, crane span structure built-in fitting and cast-in-place structural template 6 are fixed with bolt, cast-in-place structural template 6 is floor, after crane span structure built-in fitting being bolted to the bottom of floor, then cable 10 is penetrated in crane span structure built-in fitting;
C, cram crane span structure threaded connection hole 5 with filler, and in the two ends sticking cloth sealing of crane span structure threaded connection hole 5.
D, concreting;
E, cleaning filler and sealing adhesive plaster;
F, connection crane span structure 1 and crane span structure built-in fitting: through crane span structure threaded connection hole 5, crane span structure built-in fitting and crane span structure 1 are fixed with bolt, finally carry out crane span structure 1 distribution, i.e. installing wire, cable in crane span structure 1.
G, as shown in Figure 5, fire barrier 8 is installed in crane span structure built-in fitting, the quantity of fire barrier 8 is two, namely in the inner chamber of crane span structure built-in fitting, lower each a fire barrier 8 is set, one of them fire barrier 8 is arranged in the inner chamber bottom crane span structure built-in fitting, fire barrier 8 is secured by bolts in the inside of crane span structure built-in fitting, play the effect of carrying fire prevention calking 9 weight, the fire prevention calking 9 roughly the same with cast-in-place structural template 6 thickness is filled at the upper surface of this fire barrier 8, it is inner that another fire barrier 8 is fixed on crane span structure built-in fitting with identical connected mode, and maintain an equal level with the apical side height of cast-in-place structural template 6, structure can be made more attractive in appearance, avoid other people to dismantle.
Fire barrier 8 and the connected mode of crane span structure built-in fitting inwall, be not limited to bolt and connect, and also using inside for the sidewall of crane span structure built-in fitting bending or installation angle steel etc. as support, all can play the effect of fixing fire barrier 8.
After filling completes, fire prevention calking 9 is positioned at that crane span structure built-in fitting is inner, the At The Height of cast-in-place structural template 6, forms fireproof partition, crane span structure built-in fitting interior fire protection performance better, more safe and reliable.
As shown in Figure 6, the side of fire barrier 8 is provided with several winding displacement holes 11 to the structure of fire barrier 8, by the winding displacement hole 11 on fire barrier 8, the vertical cable 10 in crane span structure built-in fitting is pressed to the inwall of crane span structure built-in fitting, plays the effect of winding displacement.
Adopt such method, before building, crane span structure threaded connection hole 5 is crammed and sealed, concrete can be avoided to pour into in crane span structure threaded connection hole 5, be convenient to follow-up being threaded, improve and connect precision and joint efficiency;
Separately, also can adopt and cram the identical method of sealing crane span structure threaded connection hole 5, crammed and sealed, and can avoid spillage to entrance hole 7 before building, make that entrance hole 7 internal gutter is level and smooth, burr is few, inner spool not easily scratches when mobile.
After adopting the disposable reserved crane span structure built-in fitting construction method described in the present embodiment to construct, detect construction quality, the statistical conditions that the disposable reserved crane span structure hole of hoistway installs test point are as shown in table 1:
Table 1: the disposable reserved crane span structure hole of hoistway installs test point qualification rate statistical form
All the other steps in the method for the present embodiment crane span structure installation of embedded parts crane span structure are adopted to refer to embodiment 1.
By reference to the accompanying drawings embodiments of the invention are described in detail above; but the present invention is not limited to above-described embodiment; can also make various change in the ken that those of ordinary skill in the art possess, these changes all belong within protection scope of the present invention.
Claims (1)
1. utilize a method for crane span structure installation of embedded parts crane span structure, it is characterized in that, comprise the following steps:
A, making crane span structure built-in fitting;
Described crane span structure built-in fitting comprises four plate bodys (2), described four plate bodys (2) are all longitudinally extended, described four plate bodys (2) enclose formation rectangle frame, at least one plate body (2) is provided with crane span structure threaded connection hole (5), the bottom of at least one plate body (2) is provided with bending (3), and described bending (3) is transversely extended laterally; Described bending (3) is vertically arranged with threaded connection hole (4); A plate body (2) is provided with the entrance hole (7) for cross-under cable (10) wherein, described entrance hole (7) runs through plate body (2); The inside of described rectangle frame is provided with at least one support bar, and the inwall of the two ends of described support bar and plate body (2) is closely connected; Described crane span structure threaded connection hole (5) is provided with seal, and described seal and crane span structure threaded connection hole (5) removably connect; Described seal comprises filler and sealing adhesive plaster, and described filler is arranged in crane span structure threaded connection hole (5), and described fluid sealant cloth is arranged at the both sides of crane span structure threaded connection hole (5);
B, crane span structure built-in fitting location and installation: through threaded connection hole (4), crane span structure built-in fitting and cast-in-place structural template (6) are fixed with bolt;
C, cram crane span structure threaded connection hole (5) with filler, and in the two ends sticking cloth sealing of crane span structure threaded connection hole (5);
D, concreting;
E, cleaning filler and sealing adhesive plaster;
F, connection crane span structure (1) and crane span structure built-in fitting: through crane span structure threaded connection hole (5), crane span structure built-in fitting and crane span structure are fixed with bolt.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210163726.8A CN102691415B (en) | 2012-05-24 | 2012-05-24 | Bridge embedded part and method for mounting bridge using bridge embedded part |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210163726.8A Division CN102691415B (en) | 2012-05-24 | 2012-05-24 | Bridge embedded part and method for mounting bridge using bridge embedded part |
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| Publication Number | Publication Date |
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| CN103806651A CN103806651A (en) | 2014-05-21 |
| CN103806651B true CN103806651B (en) | 2015-10-07 |
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| CN201210163726.8A Active CN102691415B (en) | 2012-05-24 | 2012-05-24 | Bridge embedded part and method for mounting bridge using bridge embedded part |
| CN201410067383.4A Active CN103806651B (en) | 2012-05-24 | 2012-05-24 | A kind of method utilizing crane span structure installation of embedded parts crane span structure |
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| CN201210163726.8A Active CN102691415B (en) | 2012-05-24 | 2012-05-24 | Bridge embedded part and method for mounting bridge using bridge embedded part |
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| CN107989201A (en) * | 2017-11-29 | 2018-05-04 | 北京城建北方设备安装有限责任公司 | Finished product crane span structure built-in fitting |
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| CN101131042A (en) * | 2007-07-17 | 2008-02-27 | 莱西市建筑总公司 | Shaping mold for reserved hole in concrete wall |
| CN201292665Y (en) * | 2008-11-10 | 2009-08-19 | 郑州市第一建筑工程集团有限公司 | Concrete floor pre-arranged hole apparatus |
| CN202596173U (en) * | 2012-05-24 | 2012-12-12 | 成都市第四建筑工程公司 | Embedded part for cable bridge |
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| JP4636995B2 (en) * | 2005-10-26 | 2011-02-23 | 鹿島建設株式会社 | Composite concrete structure |
| JP4598028B2 (en) * | 2007-07-19 | 2010-12-15 | タカムラ総業株式会社 | Residual form for rubber impact resistance |
| CN201292667Y (en) * | 2008-10-17 | 2009-08-19 | 中国建筑第六工程局有限公司 | Composite mould for pre-arranged hole for installation work pipe |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102691415A (en) | 2012-09-26 |
| CN102691415B (en) | 2014-09-24 |
| CN103806651A (en) | 2014-05-21 |
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