CN107269930A - Bellows substitutes the construction of sealing-tape machine concrete corridor in sandstone system - Google Patents
Bellows substitutes the construction of sealing-tape machine concrete corridor in sandstone system Download PDFInfo
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- CN107269930A CN107269930A CN201710476068.0A CN201710476068A CN107269930A CN 107269930 A CN107269930 A CN 107269930A CN 201710476068 A CN201710476068 A CN 201710476068A CN 107269930 A CN107269930 A CN 107269930A
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- bellows
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- backfilled
- sides
- sandstone
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
Abstract
The construction of sealing-tape machine concrete corridor is substituted in sandstone system the invention provides bellows, is comprised the following steps：Preparation of construction, excavate groove, based process, assembling bellows, pipeline straight-run, backfilled, discharge port and pneumatic arc door reinforce, body top backfilled and carry out loading test, completion acceptance.The present invention has enough strength and stiffness, certain windrow load and foundation settlement deformation can be born, installation period is short, the not limitation of climate condition, producer's semi-finished product, on-site consolidation, take construction site few, after installation can quickly stuffing formation bunker platform, not by concrete coagulate the phase limited, place can be provided in advance for other operations, operating personnel is few, revolving materials'use is few, and construction cost is low, after Practical Completion, the recyclable recycling of metal bellows, with certain recovery value.
Description
Technical field
The present invention relates to plumbing installations technical field, more particularly to construction of the bellows in sandstone system.
Background technology
This engineering is located at Tibet Sangri County within the border, and Project Areas is far from Lhasa about 219km.Only have to Lhasa mode of transportation in building site
Highway communication, relies primarily on new S306 provincial highways, and the highway has part mud calculus road surface at present, and external transportation condition is poor.And be somebody's turn to do
Engineering is located at height above sea level 3500m or so highlands, and production, living material are relatively deficient, and overwhelming majority production, living material are equal
Need to be conveyed into innerly.According to the conventional construction experience of my company, mainly there is life in the priority and difficulty of such area construction
Living material guarantee, working sources configuration, external coordination reduction three aspects of interference are produced, will if not resolving above mentioned problem
Have a strong impact on engineering construction progress.It is to restrict construction speed to do concrete construction sandstone, concrete system feed bin, and resource is thrown
Enter larger key link.
Up to the present, not any technology can solve the above problems, and this project management department is guarantee sandstone, the coagulation soil series
System construction progress, research substitutes ultrafine grinding regulation feed bin using metal bellows, done, solution work finished product bin concrete structure
The problems such as phase is tight, concreting in cold-weather difficulty is big.
The content of the invention
In order to solve the above technical problems, substituting sealing-tape machine concrete corridor in sandstone system the invention provides bellows
Construction, construction of the bellows in sandstone system solve concrete ground do the engineering time length, complex procedures,
The problems such as construction site is narrow, concreting in cold-weather difficulty is big.
The present invention is achieved by the following technical programs.
A kind of bellows that the present invention is provided substitutes the construction of sealing-tape machine concrete corridor in sandstone system, including
Following steps：
1. preparation of construction：Prepare the auxiliary equipments such as digging machine, loading machine, crane, vibrating roller and welding machine, detect material, respectively apply
Work point and equipment simultaneously keep a record；Position is done with arranging ultrafine grinding regulation feed bin and finished product bin bellows according to design drawing；
2. groove is excavated：Groove bottom land span width adds 0.6m~1m to determine by outside diameter of bel, and other positions width is not small
In the external diameter of bellows；
3. based process：Height of foundation is controlled, basal plane, substrate designed elevation above 0.2m~0.3m original state must not be disturbed
Soil is given in manually being cleared up before reservation, pipe laying to designed elevation, must not be dug to designed elevation, locally be backbreak or disturb
It is dynamic, must not backfilled with earth, change and fill out fine aggregate and smooth compacting, basis difference then with cyclopean concrete changed and fills out by consideration；
4. bellows is assembled：After bellows arrival, make platform for lining and carry out bellows assembling, crane is used during assembly
Auxiliary is assembled, mobile in place；
5. pipeline straight-run：Required according to design drawing, finished product bin and ultrafine grinding are done to tilt with adjusting feed bin bellows
Set, gradient is 1%, is installed from bellows afterbody to head, afterbody is blocked using steel plate and angle steel, and embedded ventilation
Pipe；
6. backfilled：Backfill processing is carried out to body wedge-shaped part, body both sides；
7. discharge port and pneumatic arc door are reinforced：Discharge port is cut out at the top of bellows according to design drawing, using angle bar
1m*1m or 0.7m*0.7m square structures are made with steel plate to be arranged on discharge port, bottom and pneumatic arc door are welded, and are pacified
Steel construction at the top of discharge port is carried out into C20 concrete bags after the completion of dress to pour；
8. backfilled at the top of body and carry out loading test：To being backfilled at the top of body, laying is completed, and to construction
Scattered material, spoir, sandstone, the debris at scene are cleared, swept and cleaned, and sandstone system carries out windrow after putting into operation
Loading test, observes bellows deformation, makes a record；
9. completion acceptance：In the production process of windrow, in 1~2 month, according to bellows deflection observed case pair
The bellows is evaluated, if deflection is no more than 10cm, passes through completion acceptance.
The feed bin is divided into ultrafine grinding regulation feed bin and finished product bin, wherein four 17m's of ultrafine grinding regulation feed bin arrangement
Do, finished product bin is done with arranging two bellowss bellows.
The long 102m in finished sand storehouse of the finished product bin, the long 96m in finished product coarse aggregate storehouse.
6. the step is divided into following steps：
(6.1) body wedge-shaped part is backfilled：Good natural soft-clay is matched somebody with somebody using level, manually entered with wooden stick on the inside of pipe shaft extroversion
Row compacting, wooden stick application point must be close to pipe shaft, and each groove position of pipe shaft must tamp in place；
(6.2) body both sides are backfilled：
(6.2.1) with red paint carries out height mark on tube coupling both sides before filling by every 20cm, by mark when filling
Line traffic control is backfilled；
(6.2.2) longitudinal direction sequence of construction be：From bellows core line to both sides or from both sides to bellows core line；
The position backfill of (6.2.3) bellows both sides matches somebody with somebody good natural soft-clay or graded broken stone using level, is filled per side
Width is not less than 1 meter；
Rolled outside (6.2.4) pipe shaft maximum gauge both sides 50cm using 18T road rollers, small-sized compacting is used in the range of 50cm
Machinery compacting；
When (6.2.5) is filled, placement in layers, compaction in layers, it is 20cm to be often laminated the thickness after reality, and compaction requirement reaches
Lower floor is carried out after 95% to fill, and must cannot be greater than in the synchronous symmetrical progress in bellows both sides, the backfill discrepancy in elevation of both sides
30cm。
The natural soft-clay water content is bigger than optimum moisture content by 2%.
The wooden stick section is 15cm*15cm, and single-impact power reaches 9kg/ times.
8. the step is divided into following steps：
(8.1) more than tube top backfilled with rubble or gravel, and filled height is not less than 1.0 meters；
(8.2) tube top filled slope is less than 50cm, and the compacted machine more than 6T must not be used to roll, also do not allow construction machine
Tool passes through, and is rolled after the minimum thickness of earth covering for reaching every kind of caliber using vibrating roller, it is allowed to which construction machinery passes through, and pipe
Do not allow in the range of 10 meters of body both sides and top using strong rammer machinery.
Each discharge port is both needed to one square structure of arrangement and reinforces and wrap and pour C20 concretes, with reach protection discharge port with
The purpose that electric arc door is installed.
5. 3. the step can be carried out simultaneously with step.
The bellows is metal bellows.
The beneficial effects of the present invention are：
1) there are enough strength and stiffness, certain windrow load and foundation settlement deformation can be born；
2) installation period is short, not the limitation of climate condition, especially winter low temperature；
3) semi-finished product are marched into the arena assembly, take construction site few；
4) after installation can quickly stuffing formation bunker platform, not by concrete coagulate the phase limited, can be it in advance
Its operation provides place；
5) operating personnel is few, and revolving materials'use is few, and construction cost is low；
6) after Practical Completion, the recyclable recycling of metal bellows, with certain recovery value.
Brief description of the drawings
Fig. 1 is the construction process figure of the present invention.
Embodiment
Be described further below technical scheme, but claimed scope be not limited to it is described.
As shown in figure 1, bellows substitutes the construction of sealing-tape machine concrete corridor, including following step in sandstone system
Suddenly：
1. bellows is selected：The material and size of bellows buried depth and bellows are determined according to feed bin feed height, it is determined that
Good bellows chi and material；
2. preparation of construction：Prepare the auxiliary equipments such as digging machine, loading machine, crane, vibrating roller and welding machine, detect material, respectively apply
Work point and equipment simultaneously keep a record；Position is done with arranging ultrafine grinding regulation feed bin and finished product bin bellows according to design drawing, it is described
Feed bin is divided into ultrafine grinding regulation feed bin and finished product bin, and wherein ultrafine grinding regulation feed bin is done with arranging four 17m bellows, into
Product feed bin is done with arranging two bellowss, the long 102m in finished sand storehouse of the finished product bin, the long 96m in finished product coarse aggregate storehouse；
3. groove is excavated：Groove bottom land span width adds 0.6m~1m to determine by outside diameter of bel, and other positions width is not small
In the external diameter of bellows so that bellows can be just stuck in wherein；
4. based process：Height of foundation is controlled, basal plane must not be disturbed, according to bellows construction reference 1《HDPE is double-wall corrugated
Pipe construction specification》, substrate designed elevation above 0.2m~0.3m undisturbed soil give in before reservation, pipe laying manually cleaning to designing
Absolute altitude, must not dig to designed elevation, locally backbreak or disturb, must not backfilled with earth, change and fill out fine aggregate and smooth
Compacting, the poor then consideration in basis is changed with cyclopean concrete fills out；
5. bellows is assembled：After bellows arrival, make platform for lining and carry out bellows assembling, crane is used during assembly
Auxiliary is assembled, movement is (5. 3. step can be carried out simultaneously with step) in place；
6. pipeline straight-run：Finished product bin and ultrafine grinding are done to be obliquely installed with adjusting feed bin bellows, and gradient is
1%, it is readily transported, is installed from bellows afterbody to head, afterbody is blocked using steel plate and angle steel, and embedded ventilation duct,
Reduce dangerous；
7. backfilled：Backfill processing is carried out to body wedge-shaped part, body both sides；
8. discharge port and pneumatic arc door are reinforced：Discharge port is cut out at the top of bellows according to design drawing, is easy to discharging,
1m*1m or 0.7m*0.7m square structures are made using angle bar and steel plate to be arranged on discharge port, prevent people or article from dropping,
Ensure safety, bottom and pneumatic arc door are welded, and steel construction at the top of discharge port is carried out into C20 concrete bags after installation pours；
9. backfilled at the top of body and carry out loading test：To being backfilled at the top of body, laying is completed, and to construction
Scattered material, spoir, sandstone, the debris at scene are cleared, swept and cleaned, and sandstone system carries out windrow after putting into operation
Loading test, observes bellows deformation, makes a record；
10. completion acceptance：In the production process of windrow, in 1~2 month, according to bellows deformation observation situation to this
Bellows is evaluated, if deflection is in tolerance band, passes through completion acceptance.
Wherein, 7. the step is divided into following steps：
(7.1) body wedge-shaped part is backfilled：Good natural soft-clay is matched somebody with somebody using level, manually entered with wooden stick on the inside of pipe shaft extroversion
Row compacting, wooden stick application point must be close to pipe shaft, and each groove position of pipe shaft must tamp in place, fix in position；
(7.2) body both sides are backfilled：
(7.2.1) with red paint carries out height mark on tube coupling both sides before filling by every 20cm, by mark when filling
Line traffic control is backfilled；
(7.2.2) longitudinal direction sequence of construction be：From bellows core line to both sides or from both sides to bellows core line；
The position backfill of (7.2.3) bellows both sides matches somebody with somebody good natural soft-clay or graded broken stone using level, is filled per side
Width is not less than 1 meter, it is ensured that it is close to pipe shaft, prevents from seeping water at backfill；
Rolled outside (7.2.4) pipe shaft maximum gauge both sides 50cm using 18T road rollers, small-sized compacting is used in the range of 50cm
Machinery compacting；
When (7.2.5) is filled, placement in layers, compaction in layers, it is 20cm to be often laminated the thickness after reality, and compaction requirement reaches
Lower floor is carried out after 95% to fill, and must be prevented from causing skew, the backfill of both sides is high in the synchronous symmetrical progress in bellows both sides
Difference cannot be greater than 30cm；
9. the step is divided into following steps：
(9.1) more than tube top backfilled with rubble or gravel, and filled height is not less than 1.0 meters, it is close to pipe shaft,
Prevent from seeping water at backfill；
(9.2) tube top filled slope is less than 50cm, and the compacted machine more than 6T must not be used to roll, also do not allow construction machine
Tool passes through, and is rolled after the minimum thickness of earth covering for reaching every kind of caliber using vibrating roller, it is allowed to which construction machinery passes through, and pipe
Do not allow in the range of 10 meters of body both sides and top using strong rammer machinery.
In summary, bellows is metal bellows, with impervious, pressure-resistant, intensity it is high, it is flexible the features such as, can be with
Convenient bending, elongation, compression, can ensure that construction quality, shorten the duration, and mouse can also be avoided to suffer from destruction, effectively solved
Concrete ground does engineering time length, complex procedures, material supply is difficult, construction site is narrow, concreting in cold-weather difficulty is big
The problems such as, structure is done using metal bellows, its foundation deformation ability is strong, work low to foundation capability flatness requirement
Journey actual building cost is told somebody what one's real intentions are, and factory process is transported to job site into semi-finished product, and in-site installation is convenient, it is not necessary to large scale equipment, peace
After after dress can quickly stuffing form other operation places, moreover it is possible to solve the problem of north cold area frost is destroyed to its concrete,
Shorten the completion time of project, and be conducive to improving and reduce maintenance cost, save construction cost, thus with higher promotional value with
Application prospect.
Claims (10)
1. a kind of bellows substitutes the construction of sealing-tape machine concrete corridor in sandstone system, it is characterised in that：Including with
Lower step：
1. preparation of construction：Prepare the auxiliary equipments such as digging machine, loading machine, crane, vibrating roller and welding machine, detection material, each construction point
With equipment and keep a record；Position is done with arranging ultrafine grinding regulation feed bin and finished product bin bellows according to design drawing；
2. groove is excavated：Groove bottom land span width adds 0.6m~1m to determine by outside diameter of bel, and other positions width is not less than ripple
The external diameter of line pipe；
3. based process：Height of foundation is controlled, basal plane must not be disturbed, substrate designed elevation above 0.2m~0.3m undisturbed soil gives
In manually being cleared up before reservation, pipe laying to designed elevation, it must not dig to designed elevation, locally backbreak or disturb,
Must not backfilled with earth, change and fill out fine aggregate and smooth compacting, basis difference then with cyclopean concrete changed and fills out by consideration；
4. bellows is assembled：After bellows arrival, make platform for lining and carry out bellows assembling, aided in during assembly with crane
It is assembled, mobile in place；
5. pipeline straight-run：Required according to design drawing, finished product bin and ultrafine grinding are done to be obliquely installed with adjusting feed bin bellows,
Gradient is 1%, is installed from bellows afterbody to head, and afterbody is blocked using steel plate and angle steel, and embedded ventilation duct；
6. backfilled：Backfill processing is carried out to body wedge-shaped part, body both sides；
7. discharge port and pneumatic arc door are reinforced：Discharge port is cut out at the top of bellows according to design drawing, using angle bar and steel
Plate makes 1m*1m or 0.7m*0.7m square structures and is arranged on discharge port, and bottom and pneumatic arc door are welded, and are installed
Steel construction at the top of discharge port is carried out into C20 concrete bags after to pour；
8. backfilled at the top of body and carry out loading test：To being backfilled at the top of body, laying is completed, and to job site
Scattered material, spoir, sandstone, debris cleared, swept and cleaned, sandstone system carries out the load of windrow after putting into operation
Experiment, observes bellows deformation, makes a record；
9. completion acceptance：In the production process of windrow, in 1~2 month, according to bellows deflection observed case to the ripple
Line pipe is evaluated, if deflection is no more than 10cm, passes through completion acceptance.
2. construction of the bellows as claimed in claim 1 in sandstone system, it is characterised in that：The feed bin is divided into super
Regulation feed bin and finished product bin in small, broken bits, wherein ultrafine grinding regulation feed bin are done with arranging four 17m bellows, finished product bin arrangement
Do two bellowss.
3. construction of the bellows as claimed in claim 2 in sandstone system, it is characterised in that：The finished product bin
The long 102m in finished sand storehouse, the long 96m in finished product coarse aggregate storehouse.
4. construction of the bellows as claimed in claim 1 in sandstone system, it is characterised in that：6. the step is divided into
Following steps：
(6.1) body wedge-shaped part is backfilled：Good natural soft-clay is matched somebody with somebody using level, manually rammed with wooden stick on the inside of pipe shaft extroversion
Real, wooden stick application point must be close to pipe shaft, and each groove position of pipe shaft must tamp in place；
(6.2) body both sides are backfilled：
(6.2.1) with red paint carries out height mark on tube coupling both sides before filling by every 20cm, by marking line traffic control when filling
It is processed to be backfilled；
(6.2.2) longitudinal direction sequence of construction be：From bellows core line to both sides or from both sides to bellows core line；
The position backfill of (6.2.3) bellows both sides matches somebody with somebody good natural soft-clay or graded broken stone using level, and width is filled per side
Not less than 1 meter；
Rolled outside (6.2.4) pipe shaft maximum gauge both sides 50cm using 18T road rollers, small rammer tool is used in the range of 50cm
Compacting；
When (6.2.5) is filled, placement in layers, compaction in layers, it is 20cm to be often laminated the thickness after reality, and compaction requirement reaches 95%
Lower floor is carried out afterwards to fill, and must cannot be greater than 30cm in the synchronous symmetrical progress in bellows both sides, the backfill discrepancy in elevation of both sides.
5. construction of the bellows as claimed in claim 4 in sandstone system, it is characterised in that：The natural soft-clay contains
Water is bigger than optimum moisture content by 2%.
6. construction of the bellows as claimed in claim 4 in sandstone system, it is characterised in that：The wooden stick section is
15cm*15cm, single-impact power reaches 9kg/ times.
7. construction of the bellows as claimed in claim 1 in sandstone system, it is characterised in that：8. the step is divided into
Following steps：
(8.1) more than tube top backfilled with rubble or gravel, and filled height is not less than 1.0 meters；
(8.2) tube top filled slope is less than 50cm, and the compacted machine more than 6T must not be used to roll, and does not also allow construction machinery to lead to
OK, rolled after the minimum thickness of earth covering for reaching every kind of caliber using vibrating roller, it is allowed to which construction machinery passes through, and body two
Do not allow in the range of 10 meters of side and top using strong rammer machinery.
8. construction of the bellows as claimed in claim 1 in sandstone system, it is characterised in that：Each discharge port
It is both needed to one square structure of arrangement to reinforce and wrap and pour C20 concretes, to reach the purpose of protection discharge port and the door installation of electric arc.
9. construction of the bellows as claimed in claim 1 in sandstone system, it is characterised in that：The step 3. and step
Suddenly 5. it can carry out simultaneously.
10. construction of the bellows in sandstone system as described in any one in claim 1~8, it is characterised in that：
The bellows is metal bellows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476068.0A CN107269930B (en) | 2017-06-21 | 2017-06-21 | Bellows substitutes the construction of sealing-tape machine concrete corridor in sandstone system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476068.0A CN107269930B (en) | 2017-06-21 | 2017-06-21 | Bellows substitutes the construction of sealing-tape machine concrete corridor in sandstone system |
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| Publication Number | Publication Date |
|---|---|
| CN107269930A true CN107269930A (en) | 2017-10-20 |
| CN107269930B CN107269930B (en) | 2019-08-02 |
Family
ID=60069485
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|---|---|---|---|
| CN201710476068.0A Active CN107269930B (en) | 2017-06-21 | 2017-06-21 | Bellows substitutes the construction of sealing-tape machine concrete corridor in sandstone system |
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Cited By (2)
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| CN108223910A (en) * | 2017-12-15 | 2018-06-29 | 金川集团股份有限公司 | A kind of ductile iron pipe passes through the construction method of aqueous soil layer |
| CN113534758A (en) * | 2021-07-14 | 2021-10-22 | 中国水利水电第九工程局有限公司 | Full-flow intelligent control system for gravel aggregate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223910A (en) * | 2017-12-15 | 2018-06-29 | 金川集团股份有限公司 | A kind of ductile iron pipe passes through the construction method of aqueous soil layer |
| CN113534758A (en) * | 2021-07-14 | 2021-10-22 | 中国水利水电第九工程局有限公司 | Full-flow intelligent control system for gravel aggregate |
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| Publication number | Publication date |
|---|---|
| CN107269930B (en) | 2019-08-02 |
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