CN107178391A - A kind of construction method of armored concrete fire dam and application - Google Patents
A kind of construction method of armored concrete fire dam and application Download PDFInfo
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- CN107178391A CN107178391A CN201710446967.6A CN201710446967A CN107178391A CN 107178391 A CN107178391 A CN 107178391A CN 201710446967 A CN201710446967 A CN 201710446967A CN 107178391 A CN107178391 A CN 107178391A
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- 239000004567 concrete Substances 0.000 title claims abstract description 27
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 238000009415 formwork Methods 0.000 claims abstract description 76
- 210000003205 muscle Anatomy 0.000 claims abstract description 41
- 239000011464 hollow brick Substances 0.000 claims abstract description 15
- 239000011449 brick Substances 0.000 claims abstract description 11
- 239000004568 cement Substances 0.000 claims abstract description 11
- 238000009416 shuttering Methods 0.000 claims abstract description 11
- 239000002002 slurry Substances 0.000 claims abstract description 11
- 239000004744 fabric Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000002787 reinforcement Effects 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 67
- 239000010959 steel Substances 0.000 claims description 67
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 56
- 229910052742 iron Inorganic materials 0.000 claims description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 244000144985 peep Species 0.000 claims description 5
- 230000035807 sensation Effects 0.000 claims description 5
- 239000011122 softwood Substances 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000010009 beating Methods 0.000 abstract 1
- 238000005065 mining Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/02—Supporting means, e.g. shuttering, for filling-up materials
- E21F15/04—Stowing mats; Goaf wire netting; Partition walls
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a kind of construction method of armored concrete fire dam and its application, it includes beating formwork erection hole, cloth muscle hole；Arrangement of reinforcement；Shuttering；Fill drainpipe；Build cement brick wall, smear slurry；The steps such as wall support are set, and fire dam constructs during available for the lower route type cemented filling method goaf filling to horizontal slice.The raw material that fire dam is constructed in the present invention are conventional building materials, and do not need special processing, construction technology is simple, and the professional skill to workmen is less demanding, workable, used transport of materials to scene, 2 workmans can complete to construct the construction (not building block including hollow brick to bind) of fire dam in 8 hours, solve arduously time-consuming during the construction of current fire dam, and security reliability is poor, financial cost is high, it is impossible to fast and effeciently contain the problem of burst accident spreads.
Description
Technical field
The present invention relates to Safety construction technology field under mine, more particularly to a kind of construction party of armored concrete fire dam
Method and application.
Background technology
Filling mining method damaged because job safety, ore are poor it is small, can delay or even prevent ground settlement and deep rock explosion etc.
The advantages of Geological Hazard, in mining production in practice using more and more.And in mining with stowing technique, filling counterfort
It is the important preparation that must be completed before filling to construct.The quality of filling counterfort construction quality, directly affects filling and makees
Efficiency, cost and the filling quality of industry.Part mine constructs improper because of barricade, often occurs running pulp, sand leakage in stowing operation
The problems such as, the accident such as serious appearance barricade integrally collapses causes subsurface environment to pollute, the problems such as husky processing of leakage is difficult.Also have
Part mine increases the thickness of barricade to improve filling counterfort security, causes filler consumption increasing, and the time of constructing adds
It is long, and then cause to adopt and use industry inefficiency as.Therefore, simplify the construction technology of filling counterfort, design suitable barrier wall structure and
Size, it is possible to decrease filling in mine cost, raising are adopted and fill efficiency and filling quality, and then improve the security and economy of mining production
Benefit.
The content of the invention
It is an object of the invention to provide simple, the efficient closed wall construction method of armored concrete of one kind construction, to solve
Certainly above-mentioned the problems of the prior art.
To solve the above problems, the present invention is adopted the following technical scheme that：
The invention provides a kind of construction method of armored concrete fire dam, comprise the following steps：
Step 1：Beat formwork erection hole, cloth muscle hole
Bore formwork erection hole in the both sides highwall that pour closed wall displacement, be divided into from the bottom up per side it is multiple rows of, often arrange two it is same
The formwork erection hole of plane, and in the vertical direction formation two arrange holes, the array pitch of bottom one pour position bottom plate 0.3m, formwork erection hole it is upper
Lower spacing is 0.9-1.1m, the two row formwork erection hole centre positions arrangement muscle hole in highwall both sides, and both sides are respectively provided with from the bottom to top
Spacing 60-80cm muscle hole, and bottom muscle pitch-row pours position bottom plate 0.3m, wherein formwork erection hole hole depth is 50-70cm,
Muscle hole hole depth is 70-90cm；
Step 2：Arrangement of reinforcement
Screw-thread steel is inserted in the muscle hole of both sides highwall, intersection is fixed with iron wire, then existed by spacing 25-35cm
Screw-thread steel side is equally spaced vertical reinforcement, and is fixed reinforcing bar with screw-thread steel with iron wire；
Step 3：Shuttering
Screw-thread steel is inserted in the formwork erection hole of the row of bottom first and second on highwall both sides, and in the screw-thread steel of both sides highwall
Above cover long hollow steel pipe, fixed with two long hollow steel pipe intersection is arranged with iron wire, afterwards on the inside of long hollow steel pipe every
60-70cm vertically fixes long hollow steel pipe formation formwork erection frame, then template is stacked sidewards from lower to upper inside formwork erection frame to
Second row formwork erection hole eminence, every 75-85cm equidistantly vertically arranged reinforcing bars, and reinforcing bar is fixed on iron wire on the inside of template
Template is fixed on long hollow steel pipe, the concrete being stirred is injected in template, paves and is densified to the height that template is laid
Degree, then will equally insert screw-thread steel and long hollow steel pipe and is fixed with iron wire, continue superposition mould in row's formwork erection hole above
Plate simultaneously pours into a mould concrete until at top plate 55-65cm, completing formwork erection；
Step 4：Drainpipe
Portion sets a drainpipe in the soleplate during the shuttering, and second is being set at bottom plate 1.7-1.9m
Root drainpipe, away from the 3rd drainpipe is set at bottom plate 2.6-2.8m, then buries a row every the vertical spacing of 18-22cm
Water pipe；
Step 5：Build cement brick wall, smear slurry
Cement brick wall is built after form removal, and block is built with hollow brick and is bound, the reserved peep hole in centre；Hollow brick metope will be smeared
Slurry, it is ensured that stowing operation not running pulp；
Step 6：Wall is set to support
Take wall to support the six roots of sensation, be vertically placed equidistant three perpendicular supports, intermediate lateral places a stull, and makes the stull both sides
The perpendicular support in both sides is propped up, finally each a diagonal brace is made in the intersection location of both sides stull and perpendicular support.
As the present invention to the preferred of above-mentioned technical proposal, the neutral nib of the step 1 is divided into three rows, hole depth from the bottom to top
Above and below 60cm, muscle hole hole depth 80cm, formwork erection hole pitch of holes be 1m, two row formwork erection hole horizontal spacing be 40-60cm, per side muscle hole by
Under it is supreme be provided with five, and pitch of holes is 70cm up and down.
As the present invention to the preferred of above-mentioned technical proposal, template is made from being laid to middle part at two highwalls in the step 2
The joint gapless of template and highwall is obtained, if there is gap in the middle part of template, in gap location laying vertical formwork filling.
As the present invention to the preferred of above-mentioned technical proposal, after formwork erection is finished in the step 2,36h is conserved.
As the present invention to the preferred of such scheme, wall support is dry and soft wood in the step 6.
Present invention also offers the application of the construction method of above-mentioned armored concrete fire dam, it is used for lower to horizontal slice
Fire dam constructs during route type cemented filling method goaf filling.
The beneficial effects of the present invention are：
1) raw material for constructing fire dam are conventional building materials, and do not need special processing, reinforcing bar, water used in this programme
Mud, iron wire, hollow brick and wood etc. are the materials generally used in mining operation and Bracing Process, its wide material sources, into
This is relatively low and can effectively control；
(2) construction technology is simple, and the professional skill to workmen is less demanding, is needed except boring formwork erection hole and cloth muscle hole
Outside the rock drill operative employee of specialty, as long as other steps common laborer can be also competent at by job requirements operation；
(3) workmen required for is few, efficiency high, as long as formwork erection hole and muscle hole are accomplished fluently in advance, used material fortune
Defeated to arrive scene, 2 workmans can complete to construct the construction (not building block including hollow brick to bind) of fire dam in 8 hours.
(4) it is workable, it is not necessary to special mechanical execution equipment, and when the shape and size of dead zone section occur
During change, by suitably adjusting parameters of construction technology, the above-mentioned arrangement and method for construction used and material equally can use.
Brief description of the drawings
Fig. 1 is the formwork erection frame structural representation of armored concrete fire dam described in embodiment 1；
Fig. 2 is the section cloth muscle schematic diagram of armored concrete fire dam described in embodiment 1；
Fig. 3 is the wall support structure schematic diagram of armored concrete fire dam described in embodiment 1；
Wherein, 1-formwork erection hole, 2-screw-thread steel, 3-long hollow steel pipe, 4-reinforcing bar, 5-highwall, 6-muscle hole, 7-row
Water pipe, 8-concrete, 9-hollow brick, 10-erect support, 11-stull, 12-diagonal brace.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, is expanded on further the present invention.
Material specification used is in embodiment：Template (long 2m, wide 10-20cm, thick 2.5cm and 5cm are some), diameter
28mm screw-thread steel (1.5m, 3m), diameter 12mm reinforcing bars (3m), 2 cun of long hollow steel pipe (3m, 3.5m), No. 8 iron wires (thick),
No. 14 iron wires (thin), some specification 400mm × 200mm × 200mm hollow bricks, 3 bag 42.5# Portland cements, dry and soft wood
Wall supports 6 (long 4m diameter 15cm-30cm)
Embodiment 1
A kind of construction method of armored concrete fire dam, it comprises the following steps：
Step 1：Beat formwork erection hole 1, cloth muscle hole 6
As shown in Figures 1 and 2, formwork erection hole 1 is bored in the both sides highwall 5 that pour closed wall displacement, divided from the bottom up per side
For three rows, two coplanar formwork erection holes 1 are often arranged, and in the vertical direction formation two arranges hole, the level interval in two row formwork erection holes 1
Take 50cm, the array pitch of bottom one pours position bottom plate 0.3m, often arrange formwork erection hole 1 between the upper and lower away from for 1m, two in the both sides of highwall 5
The centre position of row formwork erection hole 1 arrangement muscle hole 6, both sides are respectively provided with five muscle holes 4 equidistantly for 70cm, and bottom from the bottom to top
Muscle hole 6 is away from pouring position bottom plate 0.3m, and the hole depth of formwork erection hole 1 is 60cm, and the hole depth of muscle hole 6 is 80cm；
Step 2：Arrangement of reinforcement
Such as Fig. 2 inserts 3m screw-thread steel 2 in the muscle hole 6 of both sides highwall 5, and intersection is fixed with No. 8 iron wires, then
Reinforcing bar 4 is equidistantly vertically arranged in the side of screw-thread steel 2 by spacing 30cm, and is fixed reinforcing bar 4 with screw-thread steel 2 with No. 8 iron wires；
Step 3：Shuttering
The insertion 1.5m screw-thread steel 2 in the formwork erection hole 1 of the row of bottom first and second on the both sides of highwall 5, and in two sides
3m long hollow steel pipe 3 is covered on the screw-thread steel 2 of side 5, is fixed with the two long intersection of hollow steel pipe 3 is arranged with iron wire, Zhi Hou
The long inner sides of hollow steel pipe 3 of 3m vertically fix the 3.5m formation formwork erection frame of long hollow steel pipe 3 every 65cm, then inside formwork erection frame
Template is stacked sidewards from lower to upper to the eminence of second row formwork erection hole 1, every the equidistant vertically arranged steel of 80cm on the inside of template
Muscle 4, and reinforcing bar 4 is fixed on No. 8 iron wires on long hollow steel pipe 3 is fixed template, the concrete 10 being stirred is injected
In template, pave and be densified to the height that template is laid, then will same insertion screw-thread steel 2 and long in row's formwork erection hole 1 above
Hollow steel pipe 3 is simultaneously fixed with No. 8 iron wires, continues to be superimposed template until at top plate 60cm, completing formwork erection；
Step 4：Drainpipe
Portion sets a drainpipe 7 in the soleplate during the shuttering, and second is being set at bottom plate 1.8m
Drainpipe 7, away from the 3rd drainpipe 7 is set at bottom plate 2.7m, then buries a drainpipe 7 every the vertical spacing of 20cm；
Step 5：Build cement brick wall, smear slurry
Cement brick wall is built after form removal, and block is built with hollow brick 9 and is bound, the reserved peep hole in centre；Hollow brick metope will
Smear slurry, it is ensured that stowing operation not running pulp；
Step 6：Wall is set to support
Take wall to support the six roots of sensation as shown in Figure 3, be vertically placed equidistant three perpendicular supports 10, intermediate lateral places a stull 11, and
The both sides of stull 11 is propped up the perpendicular support 10 in both sides, finally each make a diagonal brace in the intersection location of both sides stull 11 and perpendicular support 10
12。
Embodiment 2
A kind of construction method of armored concrete fire dam, it comprises the following steps：
Step 1：Beat formwork erection hole, cloth muscle hole
Formwork erection hole is bored in the both sides highwall that pour closed wall displacement, is divided into three rows from the bottom up per side, two are often arranged together
The formwork erection hole of plane, and in the vertical direction formation two arranges hole, the level interval in two row formwork erection holes takes 40cm, the array pitch of bottom one
Pour position bottom plate 0.3m, often arrange formwork erection hole between the upper and lower away from for 0.9m, the two row formwork erection hole centre position cloth in highwall both sides
Muscle hole is put, both sides are respectively provided with five muscle holes equidistantly for 60cm from the bottom to top, and bottom muscle pitch-row pours position bottom plate
0.3m, and formwork erection hole hole depth is 50cm, muscle hole hole depth is 70cm；
Step 2：Arrangement of reinforcement
3m screw-thread steel is inserted in the muscle hole of both sides highwall, intersection is fixed with No. 8 iron wires, then by spacing
25cm is equidistantly vertically arranged reinforcing bar in screw-thread steel side, and is fixed reinforcing bar with screw-thread steel with No. 8 iron wires；
Step 3：Shuttering
1.5m screw-thread steel is inserted in the formwork erection hole of the row of bottom first and second on highwall both sides, and in both sides highwall
3m long hollow steel pipe is covered on screw-thread steel, is fixed with two long hollow steel pipe intersection is arranged with iron wire, afterwards in 3m vast sky
3.5m long hollow steel pipe formation formwork erection frame is vertically fixed on the inside of heart steel pipe every 60cm, then inside formwork erection frame by template by
Under up stack sidewards to second row formwork erection hole eminence, every 75cm equidistantly vertically arranged reinforcing bars, and by steel on the inside of template
Muscle is fixed on long hollow steel pipe with No. 8 iron wires and is fixed template, and the concrete being stirred is injected in template, compacting is paved
The height laid to template, then will same insertion screw-thread steel and long hollow steel pipe and with No. 8 iron in row's formwork erection hole above
Silk is fixed, and continues to be superimposed template until at top plate 55cm, completing formwork erection；
Step 4：Drainpipe
Portion sets a drainpipe in the soleplate during the shuttering, and second row is being set at bottom plate 1.7m
Water pipe, away from the 3rd drainpipe is set at bottom plate 2.6m, then buries a drainpipe every the vertical spacing of 18cm；
Step 5：Build cement brick wall, smear slurry
Cement brick wall is built after form removal, and block is built with hollow brick and is bound, the reserved peep hole in centre；Hollow brick metope will be smeared
Slurry, it is ensured that stowing operation not running pulp；
Step 6：Wall is set to support
Take wall to support the six roots of sensation, be vertically placed equidistant three perpendicular supports, intermediate lateral places a stull, and makes the stull both sides
The perpendicular support in both sides is propped up, finally each a diagonal brace is made in the intersection location of both sides stull and perpendicular support.
Embodiment 3
A kind of construction method of armored concrete fire dam, it comprises the following steps：
Step 1：Beat formwork erection hole, cloth muscle hole
Formwork erection hole is bored in the both sides highwall that pour closed wall displacement, is divided into three rows from the bottom up per side, two are often arranged together
The formwork erection hole of plane, and in the vertical direction formation two arranges hole, the level interval in two row formwork erection holes takes 60cm, the array pitch of bottom one
Pour position bottom plate 0.3m, often arrange formwork erection hole between the upper and lower away from for 1.1m, the two row formwork erection hole centre position cloth in highwall both sides
Muscle hole is put, both sides are respectively provided with five muscle holes equidistantly for 80cm from the bottom to top, and bottom muscle pitch-row pours position bottom plate
0.3m, and formwork erection hole hole depth is 70cm, muscle hole hole depth is 90cm；
Step 2：Arrangement of reinforcement
3m screw-thread steel is inserted in the muscle hole of both sides highwall, intersection is fixed with No. 8 iron wires, then by spacing
35cm is equidistantly vertically arranged reinforcing bar in screw-thread steel side, and is fixed reinforcing bar with screw-thread steel with No. 8 iron wires；
Step 3：Shuttering
1.5m screw-thread steel is inserted in the formwork erection hole of the row of bottom first and second on highwall both sides, and in both sides highwall
3m long hollow steel pipe is covered on screw-thread steel, is fixed with two long hollow steel pipe intersection is arranged with iron wire, afterwards in 3m vast sky
3.5m long hollow steel pipe formation formwork erection frame is vertically fixed on the inside of heart steel pipe every 70cm, then inside formwork erection frame by template by
Under up stack sidewards to second row formwork erection hole eminence, every 85cm equidistantly vertically arranged reinforcing bars, and by steel on the inside of template
Muscle is fixed on long hollow steel pipe with No. 8 iron wires and is fixed template, and the concrete being stirred is injected in template, compacting is paved
The height laid to template, then will same insertion screw-thread steel and long hollow steel pipe and with No. 8 iron in row's formwork erection hole above
Silk is fixed, and continues to be superimposed template until at top plate 65cm, completing formwork erection；
Step 4：Drainpipe
Portion sets a drainpipe in the soleplate during the shuttering, and second row is being set at bottom plate 1.9m
Water pipe, away from the 3rd drainpipe is set at bottom plate 2.8m, then buries a drainpipe every the vertical spacing of 22cm；
Step 5：Build cement brick wall, smear slurry
Cement brick wall is built after form removal, and block is built with hollow brick and is bound, the reserved peep hole in centre；Hollow brick metope will be smeared
Slurry, it is ensured that stowing operation not running pulp；
Step 6：Wall is set to support
Take wall to support the six roots of sensation, be vertically placed equidistant three perpendicular supports, intermediate lateral places a stull, and makes the stull both sides
The perpendicular support in both sides is propped up, finally each a diagonal brace is made in the intersection location of both sides stull and perpendicular support.
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above
Change, modification will all fall in scope of the presently claimed invention.
Claims (6)
1. a kind of construction method of armored concrete fire dam, it is characterised in that comprise the following steps：
Step 1：Beat formwork erection hole, cloth muscle hole
Bore formwork erection hole in the both sides highwall that pour closed wall displacement, be divided into from the bottom up per side it is multiple rows of, often arrange two it is coplanar
Formwork erection hole, and in the vertical direction formation two arrange holes, the array pitch of bottom one pour position bottom plate 0.3m, formwork erection hole is between the upper and lower
Away from for 0.9-1.1m, the two row formwork erection hole centre positions arrangement muscle hole in highwall both sides, both sides are respectively provided with equidistantly from the bottom to top
60-80cm muscle hole, and bottom muscle pitch-row pours position bottom plate 0.3m, wherein formwork erection hole hole depth is 50-70cm, muscle hole
Hole depth is 70-90cm；
Step 2：Arrangement of reinforcement
Screw-thread steel is inserted in the muscle hole of both sides highwall, intersection is fixed with iron wire, then by spacing 25-35cm in screw thread
Steel side is equally spaced vertical reinforcement, and is fixed reinforcing bar with screw-thread steel with iron wire；
Step 3：Shuttering
Screw-thread steel is inserted in the formwork erection hole of the row of bottom first and second on highwall both sides, and is covered on the screw-thread steel of both sides highwall
Long hollow steel pipe, is fixed with two long hollow steel pipe intersection is arranged with iron wire, afterwards every 60- on the inside of long hollow steel pipe
70cm vertically fixes long hollow steel pipe formation formwork erection frame, then stacks template to second sidewards from lower to upper inside formwork erection frame
Formwork erection hole eminence is arranged, every 75-85cm equidistantly vertically arranged reinforcing bars, and reinforcing bar is fixed on into vast sky with iron wire on the inside of template
Template is fixed on heart steel pipe, the concrete being stirred is injected in template, paves and is densified to the height that template is laid, so
Screw-thread steel and long hollow steel pipe will be equally inserted in row's formwork erection hole above afterwards and be fixed with iron wire, and continued superposition template and simultaneously pour
Concrete is noted until at top plate 55-65cm, completing formwork erection；
Step 4：Drainpipe
Portion sets a drainpipe in the soleplate during the shuttering, and second row is being set at bottom plate 1.7-1.9m
Water pipe, away from the 3rd drainpipe is set at bottom plate 2.6-2.8m, then buries a draining every the vertical spacing of 18-22cm
Pipe；
Step 5：Build cement brick wall, smear slurry
Cement brick wall is built after form removal, and block is built with hollow brick and is bound, the reserved peep hole in centre；Hollow brick metope will smear slurry,
Ensure stowing operation not running pulp；
Step 6：Wall is set to support
Take wall to support the six roots of sensation, be vertically placed equidistant three perpendicular supports, intermediate lateral places a stull, and props up the stull both sides
The perpendicular support in both sides, finally each makes a diagonal brace in the intersection location of both sides stull and perpendicular support.
2. a kind of construction method of armored concrete fire dam according to claim 1, it is characterised in that the step 1
It is 1m, two row formwork erections that neutral nib is divided into pitch of holes above and below three rows, hole depth 60cm, muscle hole hole depth 80cm, formwork erection hole from the bottom to top
Hole horizontal spacing is 40-60cm, is provided with five from the bottom to top per side muscle hole, and pitch of holes is 70cm up and down.
3. a kind of construction method of armored concrete fire dam according to claim 1, it is characterised in that the step 3
Middle template to middle part from laying at two highwalls so that the joint gapless of template and highwall, if there is gap in the middle part of template,
Then in gap location laying vertical formwork filling.
4. a kind of construction method of armored concrete fire dam according to claim 1, it is characterised in that the step 3
After middle formwork erection is finished, 36h is conserved.
5. a kind of construction method of armored concrete fire dam according to claim 1, it is characterised in that the step 6
Middle wall support is dry and soft wood.
6. the application of the construction method of a kind of armored concrete fire dam described in claim 1-5, it is characterised in that under being used for
Constructed to fire dam during horizontal slice route type cemented filling method goaf filling.
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| CN201710446967.6A CN107178391B (en) | 2017-06-14 | 2017-06-14 | A kind of construction method and application of armored concrete fire dam |
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| CN201710446967.6A CN107178391B (en) | 2017-06-14 | 2017-06-14 | A kind of construction method and application of armored concrete fire dam |
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| CN107178391B CN107178391B (en) | 2018-12-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863856A (en) * | 2019-12-02 | 2020-03-06 | 江西理工大学 | Road-entering type cemented filling plugging wall and construction method thereof |
| CN112922668A (en) * | 2021-03-01 | 2021-06-08 | 中色国际矿业股份有限公司帕鲁特金矿 | Underground filling retaining wall for mine and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863856A (en) * | 2019-12-02 | 2020-03-06 | 江西理工大学 | Road-entering type cemented filling plugging wall and construction method thereof |
| CN112922668A (en) * | 2021-03-01 | 2021-06-08 | 中色国际矿业股份有限公司帕鲁特金矿 | Underground filling retaining wall for mine and construction method thereof |
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| Publication number | Publication date |
|---|---|
| CN107178391B (en) | 2018-12-28 |
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