CN208168479U - A kind of prefabricated rod structure in inspection hole - Google Patents
A kind of prefabricated rod structure in inspection hole Download PDFInfo
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- CN208168479U CN208168479U CN201820591225.2U CN201820591225U CN208168479U CN 208168479 U CN208168479 U CN 208168479U CN 201820591225 U CN201820591225 U CN 201820591225U CN 208168479 U CN208168479 U CN 208168479U
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- prefabricated post
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Abstract
The utility model provides a kind of prefabricated rod structure in inspection hole.The prefabricated rod structure include shear key, it is reserved wear muscle hole and after pour sleeper leveling slot, it is bulge-structure that the bottom of prefabricated post, which is arranged in, in shear key；It is reserved to wear the periphery that muscle hole is arranged in inside prefabricated post, for upper and lower perforative through-hole；Sleeper leveling slot position is poured afterwards in the top of prefabricated post, is connected to through-hole.The prefabricated post of the utility model uses prefabrication, and in-site installation avoids the processes such as formwork demoulding cumbersome in traditional construction, time saving and energy saving, save the cost without live formwork and wet construction.
Description
Technical field
The utility model relates to rail traffic vehicles section inspection hole Bracing Systems, more particularly to a kind of column check pit
Prefabricated rod structure.
Background technique
The rail traffics such as city underground can effectively alleviate traffic above-ground pressure, solve urban congestion, air pollution etc. and ask
Topic.With the development of rail traffic, the Quantity of matched rolling stock section increases therewith, and traditional cast-in-place speed of application can not
Meet the needs of high speed development, the especially component of those artificial formwork difficulties, a large amount of human and material resources and time can be consumed,
Cause the raising of engineering cost.
For prefabricated elements, factory rolling stock section can be built in the standardization level used is high, quantity is big, manually
The difficult concrete component progress of construction is prefabricated or half is prefabricated, and directly carrying out installation fixation in construction place can come into operation,
Speed of application can be greatly improved, construction cost is saved, avoids the wasting of resources.
Existing metro depot overhaul shop service pit column dosage is big, and monomer is small, in the two sides for checking hole, manually
Formwork is difficult, and construction efficiency is low, seriously affects the overall progress of engineering.
Utility model content
The purpose of this utility model is that it is cast-in-place in the presence of tradition to make up existing metro depot overhaul shop inspection hole column
The problems such as construction operation difficulty, low efficiency, provides a kind of inspection hole prefabricated rod structure, and to reduce labor intensity, raising is applied
Work efficiency rate and construction precision.
For achieving the above object, the technical solution adopted in the utility model is：
Prefabricated rod structure is cheated in a kind of inspection, including shear key, it is reserved wear muscle hole and after pour sleeper leveling slot, wherein it is described
The bottom of prefabricated post is arranged in shear key, is bulge-structure；Described reserve wears the periphery that muscle hole is arranged in inside prefabricated post, is upper
Under perforative through-hole；Sleeper leveling slot position is poured after described in the top of prefabricated post, is connected to the through-hole.
Further, the prefabricated post is reinforced concrete structure, and inside is configured with steel bar stress and circumferential stirrup, section
In rectangle or circle.
Further, the shear key is in inverted trapezoidal rectangle, and rectangular edges are 30~60mm at a distance from prefabricated post edge,
The height of protrusion is not less than 15mm.
Further, the reserved muscle hole of wearing is formed using pre-buried bellows or core pulling, and aperture is 25mm~50mm.
Further, sleeper leveling slot is poured after described in rectangle, rectangular edges are not less than at a distance from prefabricated post edge
30mm, groove depth are 150mm~300mm.
Further, the top outside the prefabricated post and the position on the inside of hole, which are equipped with, reinforces bracket.
Further, it is poured after described in sleeper leveling slot and is embedded with sleeper fixing bolt.
Compared to traditional structure, the beneficial effects of the utility model：
(1) prefabricated post uses prefabrication, and in-site installation avoids in traditional construction without live formwork and wet construction
The processes such as cumbersome formwork demoulding, time saving and energy saving, save the cost.
(2) prefabricated post top sets reinforcement bracket, reinforces the bearing capacity on top, lower part and basis and is connected using the grouting of earth anchor reinforcing bar
It connects, type of attachment is reliable, equivalent cast-in-place；
(3) prefabricated post level, vertical and short transverse error are adjusted by matched leveling auxiliary tool, easily
It is convenient, can one man operation, control errors precision is high.
(4) sleeper leveling slot is poured behind top, rear pre-buried sleeper fixing bolt can carry out position adjustment as the case may be,
Mode is flexible, and rear pouring concrete receives face, can carry out secondary leveling to capital absolute altitude, mention high control precision.
Detailed description of the invention
Fig. 1 is the prefabricated post structure chart of utility model embodiment；
Fig. 2 is the prefabricated post installation diagram of the utility model embodiment；
Fig. 3 is the prefabricated post mounting structure cross-sectional view of the utility model embodiment.
In figure：1- prefabricated post pours sleeper leveling slot after 2-, and 3- reinforces bracket, 4- shear key, and 5- reserved steel bar wears muscle hole,
6- levels bracket, 7- leveling bolt, 8- earth anchor reinforcing bar, the basis 9-, 10- mortar, 11- sleeper fixing bolt, 12- shearing resistance slot, 13-
The grouting of muscle hole is worn, pouring concrete levels after 14-, 15- rail.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig.1, the prefabricated post 1 of the present embodiment is reinforced concrete structure, and inside is configured with steel bar stress and circumferential hoop
Muscle, rectangular in cross-section.Sleeper leveling slot 2 is poured on the top of prefabricated post 1 after being equipped with, be in rectangle, side length≤corresponding column side length-of rectangle
60mm, but the distance between rectangle side length and prefabricated post side length are not less than 30mm, groove depth 150mm~300mm, are reserved steel bar
Bending provides working space.The top of prefabricated post 1 is added close to hole inside reinforces bracket 3, and bottom is equipped with prominent shear key 4,
In rectangle inverted trapezoidal, rectangle side length is equal to corresponding column side length-(60~160) mm, but rectangle side length and prefabricated post side length away from
From for 30~60mm, height of projection is not less than 15mm.The inside circumference of prefabricated post 1 is evenly distributed with reserved steel bar and wears muscle hole 5, this
Embodiment is arranged 8 altogether, up and down, is formed using pre-buried bellows or core pulling, for the interspersed of earth anchor reinforcing bar 8, aperture is
25mm~50mm.Sleeper fixing bolt 11 is poured after being embedded in sleeper leveling slot 2, is carried out position by fixed steel bars and is fixed, is used in combination
Slightly expanded concrete pours sleeper leveling slot 2 after pouring, top is closed flat and elevation control, carries out secondary leveling.
Referring to Fig. 2, the fixed leveling bracket 6 in the lower part of prefabricated post 1 levels bracket 6 and embraces for split rectangle or curved plate
Card is fixed on the lower part of prefabricated post 1 by being bolted, and there are three leveling bolts 7 on the periphery of holding card, for adjusting prefabricated post 1
Height and verticality.Then the reserved steel bar that earth anchor reinforcing bar 8 penetrates inside prefabricated post 1 is worn in muscle hole 5, earth anchor reinforcing bar 8 it is upper
It is poured after portion's bending embedment in sleeper leveling slot 2, prefabricated post 1 adjusts position all around according to horizontal line, and leveling nut adjustment is pre-
The height and verticality of column 1 processed, the lower part of prefabricated post 1 is maked somebody a mere figurehead, and the gap of 10mm~20mm is retained with basis 9, and uses cement
10 surrounding of mortar blocks.
Referring to Fig. 3, muscle hole 5 is worn to reserved steel bar and is in the milk, and poured in sleeper leveling slot 2 after and sleeper fixing bolt is set
11, casting concrete.
The construction method step of the present embodiment prefabricated post is as follows：
1, the sectional dimension and height that prefabricated post 1 is determined according to Practical Project situation, according to sleeper fixing bolt anchor 11
Gu length pours the depth of sleeper leveling slot 2 after determining, be prefabricated in the factory inspection hole column；
2, matched leveling bracket 6 is made in factory, prepares corresponding fastening bolt and leveling bolt 7, convenient for construction；
3, the position that muscle hole 5 is worn according to prefabricated post reserved steel bar, when foundation construction, the position of re-inspection hole column
It sets, reserves earth anchor reinforcing bar 8, earth anchor reinforcing bar 8 will keep straight, and the length of earth anchor reinforcing bar 8 is determined according to the height of prefabricated post 1；
Recessed rectangle shearing resistance slot 12 is done in the concrete of reinforcing bar root；
4, three groups of processes of construction and installation point, the installation leveling of first group of carry out prefabricated post, second group of carry out lower cage vacancy
The surrounding slurry seal sealing set, third group wear the embedded and concreting of the inside grouting in muscle hole, sleeper fixing bolt, and three
Group process is in continuous productive process, and having time interval is wanted in second group and third group centre, it is ensured that and lower seal mortar has some strength,
Spillage will not be squeezed and broken under the action of grouting pressure.Detailed process is：
1) position of prefabricated post 1 is drawn on basic 9 bottom surfaces, and in the altitude range of prefabricated post 1, along prefabricated post 1
The position line of twice longitudinal and transverse two directions up and down is arranged in outer edge, and top position line has both elevation control effect；
2) leveling bracket 6 is installed and fixed in the lower part away from prefabricated post 1, adjusts three leveling bolts 7 in moderate position.
3) reserved steel bar penetrates reserved steel bar and wears in muscle hole 5, referring to the position line in step 1), adjusts the position of prefabricated post 1
It sets, and adjusts the height and verticality of prefabricated post 1 with leveling nut；
4) the extra reserved steel bar bending in 1 top of prefabricated post will be penetrated, is poured in sleeper leveling slot 2 after being embedded to top, steel
The distance of muscle upper surface to 1 upper surface of prefabricated post is not less than 30mm；
5) gap of 1 lower part of prefabricated post is blocked along surrounding with cement mortar 10, after blocking mortar solidification, in prefabricated post
The optional reserved steel bar in 1 top wears muscle hole 5, pours into microdilatancy grouting material, several wears muscle hole top whole grout until other
Until；
6) pre-buried sleeper fixing bolt 11 in sleeper leveling slot 2 is poured after, and pours slightly expanded concrete, and it is high to check top
Difference simultaneously smoothes out processing, finally carries out maintenance processing with plastic cloth covering.
Claims (7)
1. prefabricated rod structure is cheated in a kind of inspection, which is characterized in that including shear key, it is reserved wear muscle hole and after pour sleeper leveling slot,
Wherein, the bottom of prefabricated post is arranged in the shear key, is bulge-structure；It is described reserved to wear muscle hole and be arranged in inside prefabricated post
Periphery, for upper and lower perforative through-hole；Sleeper leveling slot position is poured after described in the top of prefabricated post, is connected to the through-hole.
2. prefabricated rod structure is cheated in a kind of inspection according to claim 1, which is characterized in that the prefabricated post is reinforced concrete
Soil structure, inside are configured with steel bar stress and circumferential stirrup, rectangular in cross-section or circle.
3. prefabricated rod structure is cheated in a kind of inspection according to claim 1, which is characterized in that the shear key is in inverted trapezoidal square
Shape, rectangular edges are 30~60mm at a distance from prefabricated post edge, and raised height is not less than 15mm.
4. prefabricated rod structure is cheated in a kind of inspection according to claim 1, which is characterized in that the reserved muscle hole of wearing is using pre-
Bellows or core pulling molding are buried, aperture is 25mm~50mm.
5. prefabricated rod structure is cheated in a kind of inspection according to claim 1, which is characterized in that pouring sleeper leveling slot after described is in
Rectangle, rectangular edges are not less than 30mm at a distance from prefabricated post edge, and groove depth is 150mm~300mm.
6. prefabricated rod structure is cheated in a kind of inspection according to claim 1, which is characterized in that top outside the prefabricated post and
It is equipped with close to the position of hole inside and reinforces bracket.
7. prefabricated rod structure is cheated in a kind of inspection according to claim 1, which is characterized in that poured after described in sleeper leveling slot
It is embedded with sleeper fixing bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820591225.2U CN208168479U (en) | 2018-04-24 | 2018-04-24 | A kind of prefabricated rod structure in inspection hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820591225.2U CN208168479U (en) | 2018-04-24 | 2018-04-24 | A kind of prefabricated rod structure in inspection hole |
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| CN208168479U true CN208168479U (en) | 2018-11-30 |
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| CN201820591225.2U Active CN208168479U (en) | 2018-04-24 | 2018-04-24 | A kind of prefabricated rod structure in inspection hole |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331385A (en) * | 2018-04-24 | 2018-07-27 | 建华建材（中国）有限公司 | Prefabricated rod structure and its construction method are cheated in a kind of inspection |
| CN110159016A (en) * | 2019-06-26 | 2019-08-23 | 中国铁路设计集团有限公司 | A kind of column check pit that prefabricated assembled adjustable rail top mark is high |
| CN110924524A (en) * | 2019-11-13 | 2020-03-27 | 中国矿业大学 | Steel plate interface welding connection structure and method for reinforced concrete column and column |
-
2018
- 2018-04-24 CN CN201820591225.2U patent/CN208168479U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331385A (en) * | 2018-04-24 | 2018-07-27 | 建华建材（中国）有限公司 | Prefabricated rod structure and its construction method are cheated in a kind of inspection |
| CN108331385B (en) * | 2018-04-24 | 2024-05-03 | 建华建材（中国）有限公司 | Inspection pit precast column structure and construction method thereof |
| CN110159016A (en) * | 2019-06-26 | 2019-08-23 | 中国铁路设计集团有限公司 | A kind of column check pit that prefabricated assembled adjustable rail top mark is high |
| CN110159016B (en) * | 2019-06-26 | 2023-12-05 | 中国铁路设计集团有限公司 | Column type inspection pit of prefabricated adjustable rail top elevation |
| CN110924524A (en) * | 2019-11-13 | 2020-03-27 | 中国矿业大学 | Steel plate interface welding connection structure and method for reinforced concrete column and column |
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