CN106120661A - Concrete slab interim admittedly slope isolating and protecting construction method domatic with bedding material - Google Patents

Concrete slab interim admittedly slope isolating and protecting construction method domatic with bedding material Download PDF

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Publication number
CN106120661A
CN106120661A CN201610540778.0A CN201610540778A CN106120661A CN 106120661 A CN106120661 A CN 106120661A CN 201610540778 A CN201610540778 A CN 201610540778A CN 106120661 A CN106120661 A CN 106120661A
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CN
China
Prior art keywords
slope
concrete
interim
concrete slab
domatic
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CN201610540778.0A
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Chinese (zh)
Inventor
杨和明
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中国水利水电第十工程局有限公司
中国水利水电第十一工程局有限公司
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Priority to CN201610540778.0A priority Critical patent/CN106120661A/en
Publication of CN106120661A publication Critical patent/CN106120661A/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B7/00Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/02Fixed barrages
    • E02B7/04Dams across valleys
    • E02B7/06Earth-fill dams; Rock-fill dams
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00Handling building or like materials for hydraulic engineering or foundations

Abstract

The invention belongs to water power hydraulic engineering hydraulic structure technical field, particularly relate to concrete slab interim admittedly slope isolating and protecting construction method domatic with bedding material.The present invention standing up template concrete Gu Po, the surface of the solid slope concrete of the slope fixing mortar that rolls or injection, spray emulsified asphalt coating technology, form isolating and protecting layer, reduce stand up template concrete Gu Po, the constraint to concrete slab of the solid slope concrete of the mortar that rolls or injection, reduce because constraint causes concrete slab to produce structural crack, ensure that dam runs safety.

Description

Concrete slab interim admittedly slope isolating and protecting construction method domatic with bedding material
Technical field
The invention belongs to water power hydraulic engineering hydraulic structure technical field, particularly relate to concrete slab and bed course charge bank Solid slope isolating and protecting construction method when facing.
Background technology
In order to preserve the ecological environment, reduce the primary energy pollution to atmospheric environment, make full use of regeneration and clean energy resource, Greatly develop hydropower Industry, and Hydropower Dam is the main hydraulic structure that must build.And CFRD is to fill Point utilize local material dam, not only economy but also quickly, be particularly suitable for remote mountain areas, especially the west area of China.
In the dam construction phase often by the height of dam filing to more than 50m, just construction concrete slab, because of bedding material grain Footpath is the thinnest, and in order to neonychium layered material is not washed loss rainy season, and dam need to possess water-retaining capacity, at present in flood season temporarily More conventional construction method is the upstream face at bedding material, does and stands up template concrete Gu Po together, rolls mortar or injection The forms such as concrete carry out interim Gu Po.
Prior art is to stand up template concrete Gu Po at concrete, stand up template concrete Gu Po, roll mortar or spray Penetrate concrete, direct pouring reinforcement concrete panel, owing to it mutually retrains, the most easily make concrete slab produce crack, And have influence on the operation security after dam water-retention.
Invention patent mandate notification number is that CN 101906768 B provides the panel of a kind of CFRD and executes Work method, includes following operation successively: vertical lap seam bed course and domatic trimming, spraying emulsified asphalt, reinforcing bar system peace, side form sealing system Peace, sliding formwork system peace, concreting, form removal maintenance, periphery fissure and vertical lap seam sealing construction, concreting uses " semiclosed Formula " chute puts in storage, and panel primary concreting the most by stages is to top.The panel construction party of the CFRD that the present invention provides Method carries out the one-off construction of panel concrete, and that so can reduce after panel concrete construction between various dams material is uneven heavy Fall, prevents concrete slab recurring structure crack after water-retention, avoids causing a phase panel top because of stage construction simultaneously Come to nothing phenomenon, to guarantee that dam safety runs.The shortcoming of this invention is: generally use more than more than 100m dam for height Stage construction concrete slab, once primary concreting concrete slab, slope length is too big, easily causes blanking difficulty, or Aggregate separates, and construction of concrete face slab difficult quality is guaranteed;Primary concreting concrete slab, difficulty of construction Greatly, dam crest narrow space, construction safety risk is big.
Summary of the invention
Not enough for prior art, the present invention proposes concrete slab interim admittedly slope isolating and protecting construction domatic with bedding material Method, its step includes:
Step one chisel is disconnected and processes interim Gu Po
Being broken by interim Gu Po chisel along concrete slab vertical lap seam direction, the disconnected degree of depth of chisel is not less than 30cm, and seam bottom width degree is not Less than 6cm, seam width is not less than 10cm;
Step 2 construction vertical lap seam mortar bed
Concrete temporarily consolidate slope domatic on, determine the position of concrete slab vertical lap seam and the scope of mortar bed, use Crooked chisel is raggle in the range of described, lays the mortar bed of M20, is beneficial to install copper seal and side form;
Step 3 construction periphery fissure tar sand lumps
Removing the protection facility of toe board sealing piece at periphery fissure, lacing wire abrasive machine of appearing polishes, with crooked chisel, crowbar chisel Groove, and repair molding, bury tar sand cushion block underground, the gap between tar sand cushion block fills real with heated bitumen;
The interim slope admittedly of step 4 trimming is domatic
After the construction of vertical lap seam mortar bed, carrying out super deficient trimming process to the most domatic on the basis of it, it is inclined Difference controls at+5cm~-8cm, and protruding parts uses pneumatic pick to cut, and indentation position mortar backfills, and provides for concrete slab One smooth bearing-surface;
Step 5 spraying emulsified asphalt construction
After the interim domatic trimming in slope admittedly, Colophonium spraying machine from top to bottom starts to spray emulsified asphalt, thickness be 1~ 2mm;
Step 6 makes and installs concrete slab reinforcing bar
6.1 process every block concrete slab reinforcement, and splice uses peel rolled straight thread sleeve connection;By reinforcing bar two End machining becomes screw-type, and protects with rigid plastics set;
6.2 time reinforcing bar is installed first at domatic layout bearing rod, bearing rod Φ 25mm screw-thread steel, an array pitch 2.0 × 2.5m, squeeze into interim slope 40cm admittedly, 50% layout in an amount, remaining is made bearing rod spacer bar with stool muscle, and is erecting Muscle subscript goes out the design attitude of reinforcing bar binding, and the order reinforcement trolley level by number of screwing steel bars on dam facing is transported to temporary heap Depositing place, the reinforcing bar being transported to is hung in domatic construction trolley by 16~20T cranes, is transported with 5T hoist engine traction reinforcement trolley To installment work face;
Step 7 makes and installs copper water stop
Use level Four copper water stop forming machine compressing at dam facing operation platform scene, sew up along delivering to periphery under domatic At Tou, the most compressing no more than 140m, copper water stop is connected by two-sided overlap welding, and the lap of splice is no less than 20mm;
Step 8 makes and installs concrete slab side form
8.1 concrete slab side forms are steel and wood composite structure, are mainly joined plank sheathing by 18 thin-wall channels and form, thin-wall channel The long 3m-6m of standard, bottom transition is 6cm thickness plank sheathing, every secondary long 3m of template;
8.2 install concrete slab side form, carry out, install concrete from bottom to top after sealing construction completes at the bottom of vertical lap seam Panel side form, lays domatic dolly in both sides, face, storehouse, with 5 tons of hoist engine traction transport side form materials, uses triangle outside side form Bracing frame is fixed, and triangular support bracket Φ 20mm, long 50cm drill rod are fixed on interim slope bed course mask admittedly, and inner side uses reinforcing bar Support;
After the 8.3 preliminary installations of concrete slab side form, adjust perpendicularity with connecting bolt, concrete slab side form it Between seam smooth closely knit;
Step 9 lays chute
Chute uses trapezoidal shape, often long 2.0 meters of joint, and end sets connection hook, when sliding formwork glides, lays on bar-mat reinforcement And segmentation fixes, chute top uses flexible material to make cover plate, and Polypropylence Sheet or fur-felt are laid in bottom, to separate with bar-mat reinforcement, In chute, the soft baffle plate of plastics is set every 20~30m, to prevent aggregate separated and buffering concrete downslide impulse force, concrete slab Two road chutes it are arranged symmetrically with, one chute of intermediate arrangement during 8m width during the wide 16m of parting;
Step 10 casting concrete
The transport of concrete dump truck is discharged in hopper to dam facing, hopper put in storage along the conveying of domatic chute, Oscillating chute in storehouse, by 30~50cm layer-by-layer distributions, storehouse Middle face usesVibrator vibrate, near concrete surface Plate side form and the position of sealing piece, useFlexible pipe vibrator vibrates, when vibrating vibrator along plummet direction before sliding formwork to Under, spacing of vibrating is not more than 40cm, and the degree of depth reaches following 5cm bottom newly-laid concrete layer.
Step 11 curing concrete
Concreting is vibrated and is wiped one's face after 3~4 times compacting initial sets, lays layer of plastic film and adds rock wool and supported by moisture-heat preservation Protect 14 days, change afterwards and lay two-layer straw bag, use galvanized wire colligation, main-supply road is installed arm water receiving and puts down to floral tube spray Maintenance.
The interim Gu Po that the method for the invention relates to refers to stand up template concrete Gu Po, roll slope fixing mortar or spray The solid slope concrete penetrated.
Further, 5 DEG C of ductilities of the evaporated residue of described emulsified asphalt are more than 110 more than 20,25 DEG C of ductilities.
Further, the En Gela viscosity of described emulsified asphalt is 8~10.
Further, the attached area of wrapping up in of described emulsified asphalt is more than 5/6.
Further, the flatness requirement of the mortar bed laying M20 in step 2 controls at 5mm in the scope of 2m length Within.
Further, between step 3 medium pitch sand cushion block, flatness controls in the range of 10m, and waviness is less than 20mm。
Further, the Colophonium in step 3 medium pitch sand cushion block and sand weight ratio are 1:10.
Compared with prior art, the beneficial effects of the present invention is: the present invention is standing up template concrete Gu Po, rolling The surface of the solid slope concrete of slope fixing mortar or injection, sprays emulsified asphalt coating technology, forms isolating and protecting layer, reduces and stands up mould The constraint to concrete slab of the solid slope concrete of board concrete Gu Po, the mortar rolled or injection, reduces because constraint causes mixing Solidifying soil panel produces structural crack, ensures that dam runs safety.
Detailed description of the invention
Embodiment 1
Concrete slab of the present invention interim admittedly slope isolating and protecting construction method domatic with bedding material, its step includes,
Step one chisel is disconnected and processes interim Gu Po
Being broken by interim Gu Po chisel along concrete slab vertical lap seam direction, the disconnected degree of depth of chisel is not less than 30cm, and seam bottom width degree is not Less than 6cm, seam width is not less than 10cm;Step 2 construction vertical lap seam mortar bed
Concrete temporarily consolidate slope domatic on, determine the position of concrete slab vertical lap seam and the scope of mortar bed, use Crooked chisel is raggle in the range of described, lays the mortar bed of M20, lays the flatness requirement of mortar bed of M20 in 2m length In the range of control within 5mm, be beneficial to copper seal and side form are installed;
Step 3 construction periphery fissure tar sand lumps
Removing the protection facility of toe board sealing piece at periphery fissure, lacing wire abrasive machine of appearing polishes, with crooked chisel, crowbar chisel Groove, and repair molding, bury tar sand cushion block underground, between tar sand cushion block, flatness controls in the range of 10m, and waviness is less than 20mm, the Colophonium in tar sand cushion block and sand weight ratio are 1:10, and the gap between tar sand cushion block fills real with heated bitumen;
The interim slope admittedly of step 4 trimming is domatic
After the construction of vertical lap seam mortar bed, carrying out super deficient trimming process to the most domatic on the basis of it, it is inclined Difference controls at+5cm~-8cm, and protruding parts uses pneumatic pick to cut, and indentation position mortar backfills, and provides for concrete slab One smooth bearing-surface;
Step 5 spraying emulsified asphalt construction
After the interim domatic trimming in slope admittedly, Colophonium spraying machine from top to bottom starts to spray emulsified asphalt, thickness be 1~ 2mm;
Step 6 makes and installs concrete slab reinforcing bar
6.1 process every block concrete slab reinforcement, and splice uses peel rolled straight thread sleeve connection;By reinforcing bar two End machining becomes screw-type, and protects with rigid plastics set;
6.2 time reinforcing bar is installed first at domatic layout bearing rod, bearing rod Φ 25mm screw-thread steel, an array pitch 2.0 × 2.5m, squeezes into interim slope 40cm admittedly, 50% layout in an amount, and remaining is made bearing rod spacer bar with stool muscle, and is erecting Muscle subscript goes out the design attitude of reinforcing bar binding, and the order reinforcement trolley level by number of screwing steel bars on dam facing is transported to temporary heap Depositing place, the reinforcing bar being transported to is hung in domatic construction trolley by 16~20T cranes, is transported with 5T hoist engine traction reinforcement trolley To installment work face;
Step 7 makes and installs copper water stop
Use level Four copper water stop forming machine compressing at dam facing operation platform scene, sew up along delivering to periphery under domatic At Tou, the most compressing no more than 140m, copper water stop is connected by two-sided overlap welding, and the lap of splice is no less than 20mm;
Step 8 makes and installs concrete slab side form
8.1 concrete slab side forms are steel and wood composite structure, are mainly joined plank sheathing by 18 thin-wall channels and form, thin-wall channel The long 3m-6m of standard, bottom transition is 6cm thickness plank sheathing, every secondary long 3m of template;
8.2 install concrete slab side form, carry out, install concrete from bottom to top after sealing construction completes at the bottom of vertical lap seam Panel side form, lays domatic dolly in both sides, face, storehouse, with 5 tons of hoist engine traction transport side form materials, uses triangle outside side form Bracing frame is fixed, and triangular support bracket Φ 20mm, long 50cm drill rod are fixed on interim slope bed course mask admittedly, and inner side uses reinforcing bar Support;
After the 8.3 preliminary installations of concrete slab side form, adjust perpendicularity with connecting bolt, concrete slab side form it Between seam smooth closely knit;
Step 9 lays chute
Chute uses trapezoidal shape, often long 2.0 meters of joint, and end sets connection hook, when sliding formwork glides, lays on bar-mat reinforcement And segmentation fixes, chute top uses flexible material to make cover plate, and Polypropylence Sheet or fur-felt are laid in bottom, to separate with bar-mat reinforcement, In chute, the soft baffle plate of plastics is set every 20~30m, to prevent aggregate separated and buffering concrete downslide impulse force, concrete slab Two road chutes it are arranged symmetrically with, one chute of intermediate arrangement during 8m width during the wide 16m of parting;
Step 10 casting concrete
The transport of concrete dump truck is discharged in hopper to dam facing, hopper put in storage along the conveying of domatic chute, Oscillating chute in storehouse, by 30~50cm layer-by-layer distributions, storehouse Middle face usesVibrator vibrate, near concrete surface Plate side form and the position of sealing piece, useFlexible pipe vibrator vibrates, when vibrating vibrator along plummet direction before sliding formwork to Under, spacing of vibrating is not more than 40cm, and the degree of depth reaches following 5cm bottom newly-laid concrete layer.
Step 11 curing concrete
Concreting is vibrated and is wiped one's face after 3~4 times compacting initial sets, lays layer of plastic film and adds rock wool and supported by moisture-heat preservation Protect 14 days, change afterwards and lay two-layer straw bag, use galvanized wire colligation, main-supply road is installed arm water receiving and puts down to floral tube spray Maintenance.
The interim Gu Po that the method for the invention relates to refers to stand up template concrete Gu Po.
5 DEG C of ductilities of the evaporated residue of described emulsified asphalt are more than 110 more than 20,25 DEG C of ductilities.Described emulsifying The En Gela viscosity of Colophonium is 8~10.The attached area of wrapping up in of described emulsified asphalt is more than 5/6.
Embodiment 2
Concrete slab of the present invention interim admittedly slope isolating and protecting construction method domatic with bedding material, its step is with implementing Example 1, the template concrete Gu Po that stands up therein replaces with the slope fixing mortar rolled.
Embodiment 3
Concrete slab of the present invention interim admittedly slope isolating and protecting construction method domatic with bedding material, its step is with implementing Example 1, the template concrete Gu Po that stands up therein replaces with the solid slope concrete of injection.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not right The restriction of embodiments of the present invention, for those of ordinary skill in the field, the most also may be used To make other changes in different forms, cannot all of embodiment be given exhaustive here, every belong to this What bright technical scheme was extended out obviously changes or changes the row still in protection scope of the present invention.

Claims (8)

1. concrete slab interim admittedly slope isolating and protecting construction method domatic with bedding material, its step includes:
Step one chisel is disconnected and processes interim Gu Po
Being broken by interim Gu Po chisel along concrete slab vertical lap seam direction, the disconnected degree of depth of chisel is not less than not less than 30cm, seam bottom width degree 6cm, seam width is not less than 10cm;
Step 2 construction vertical lap seam mortar bed
Concrete slab temporarily consolidate slope domatic on, determine the position of concrete slab vertical lap seam and the scope of mortar bed, use Crooked chisel is raggle in the range of described, lays the mortar bed of M20;
Step 3 construction periphery fissure tar sand lumps
Removing the protection facility of toe board sealing piece at periphery fissure, lacing wire abrasive machine of appearing polishes, with crooked chisel, crowbar raggle, and Finishing molding, buries tar sand cushion block underground, and the gap between tar sand cushion block fills real with heated bitumen;
The interim slope admittedly of step 4 trimming is domatic
After the construction of vertical lap seam mortar bed, on the basis of it, carry out super deficient trimming process, its deviation control to the most domatic System is at+5cm~-8cm, and protruding parts pneumatic pick cuts, and indentation position mortar backfills;
Step 5 spraying emulsified asphalt construction
After the interim domatic trimming in slope admittedly, Colophonium spraying machine from top to bottom starts to spray emulsified asphalt, and thickness is 1~2mm;
Step 6 makes and installs concrete slab reinforcing bar
6.1 process every block of slab reinforcement the most respectively, and splice uses peel rolled straight thread sleeve connection;By reinforcing bar two Termination special-purpose vehicle silk is machined to screw-type, and protects with rigid plastics set;
First at domatic layout bearing rod, bearing rod Φ 25mm screw-thread steel, array pitch 2.0 × 2.5m during 6.2 installation reinforcing bar, beat Entering interim slope 40cm admittedly, 50% layout in an amount, remaining is made bearing rod spacer bar with stool muscle, and marks on bearing rod The design attitude of reinforcing bar binding, is transported to store up place by the order reinforcement trolley level by number of screwing steel bars on dam facing temporarily, The reinforcing bar being transported to is hung in domatic construction trolley by 16~20T cranes, is transported to install with 5T hoist engine traction reinforcement trolley Work surface;
Step 7 makes and installs copper water stop
Use level Four copper water stop forming machine compressing at dam facing operation platform scene, under domatic, deliver to periphery fissure joint Place, the most compressing no more than 140m, copper water stop is connected by two-sided overlap welding, and the lap of splice is no less than 20mm;
Step 8 makes and installs concrete slab side form
8.1 concrete slab side forms are steel and wood composite structure, are mainly joined plank sheathing by 18 thin-wall channels and form, thin-wall channel standard Long 6m, part is 3m, and bottom transition is 6cm thickness plank sheathing, every secondary long 3m of template;
8.2 concrete slab side forms are carried out after being arranged on vertical lap seam end water installation, and concrete slab panel side form is installed From bottom to top, lay domatic dolly in both sides, face, storehouse, with 5 tons of hoist engine traction transport concrete panel side mold materialss, concrete Using triangular support bracket to fix outside panel side form, triangular support bracket Φ 20mm long 50cm drill rod is fixed on interim slope bed course admittedly On mask, inner side uses reinforcing bar to support;
After the 8.3 preliminary installations of concrete slab side form, adjust perpendicularity with connecting bolt, between concrete slab side form Seam is smooth closely knit;
Step 9 lays chute
Chute uses trapezoidal shape, often long 2.0 meters of joint, and end sets connection hook, when sliding formwork glides, lays and divide on bar-mat reinforcement Section is fixing, and chute top uses flexible material to make cover plate, and bottom lays Polypropylence Sheet or fur-felt, to separate, chute with bar-mat reinforcement In every 20~30m, the soft baffle plate of plastics is set, be arranged symmetrically with two road chutes during the wide 16m of concrete slab parting, during 8m width in the middle of Arrange one chute;
Step 10 casting concrete
The transport of concrete dump truck is discharged in hopper to dam facing, hopper put in storage, in storehouse along the conveying of domatic chute Oscillating chute, by 30~50cm layer-by-layer distributions, storehouse Middle face uses the vibrator of φ 100mm to vibrate, near side form and sealing piece Position, use φ 70mm flexible pipe vibrator to vibrate, when vibrating, vibrator is downward along plummet direction before sliding formwork, and spacing of vibrating is little In 40cm, the degree of depth reaches following 5cm bottom newly-laid concrete layer;
Step 11 curing concrete
Concreting vibrate wipe one's face 3~4 times compacting initial set after, lay layer of plastic film add rock wool by curing at moisture-retention and heat-insulation 14 My god, change afterwards and lay two-layer straw bag, use galvanized wire colligation, main-supply road is installed arm water receiving and puts down to floral tube spray foster Protect.
2. according to slope isolating and protecting construction method admittedly interim described in claim 1, it is characterised in that consolidating described in step one temporarily Slope refers to stand up template concrete Gu Po, roll slope fixing mortar or the solid slope concrete of injection.
3. according to slope isolating and protecting construction method admittedly interim described in claim 1, it is characterised in that emulsified asphalt described in step 5 5 DEG C of ductilities of evaporated residue more than 20,25 DEG C of ductilities more than 110.
4. according to slope isolating and protecting construction method admittedly interim described in claim 1, it is characterised in that emulsified asphalt described in step 5 En Gela viscosity be 8~10.
5. according to slope isolating and protecting construction method admittedly interim described in claim 1, it is characterised in that emulsified asphalt described in step 5 Wrap up in attached area more than 5/6.
6. according to slope isolating and protecting construction method admittedly interim described in claim 1, it is characterised in that lay M20 described in step 2 The flatness requirement of mortar bed control within 5mm in the scope of 2m length.
7. according to slope isolating and protecting construction method admittedly interim described in claim 1, it is characterised in that tar sand pad described in step 3 Between block, flatness controls in the range of 10m, and waviness is less than 20mm.
8. according to slope isolating and protecting construction method admittedly interim described in claim 1, it is characterised in that tar sand pad described in step 3 Colophonium in block and sand weight ratio are 1:10.
CN201610540778.0A 2016-07-11 2016-07-11 Concrete slab interim admittedly slope isolating and protecting construction method domatic with bedding material CN106120661A (en)

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Application Number Priority Date Filing Date Title
CN201610540778.0A CN106120661A (en) 2016-07-11 2016-07-11 Concrete slab interim admittedly slope isolating and protecting construction method domatic with bedding material

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Publication number Priority date Publication date Assignee Title
CN108978594A (en) * 2018-09-03 2018-12-11 中国葛洲坝集团第二工程有限公司 Concrete face rockfill dam separation layer construction method

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Publication number Priority date Publication date Assignee Title
CN101058974A (en) * 2005-12-21 2007-10-24 中国水利水电第一工程局 Once forming construction technique for concrete panel rock fill dam bedding material and slope fixing mortar
CN101906768A (en) * 2010-08-19 2010-12-08 中国水电建设集团十五工程局有限公司 Panel construction method of concrete faced rock-fill dam
KR101368913B1 (en) * 2011-11-25 2014-02-28 주식회사 정원종합산업 Method for constructing face slab of concrete face rockfill dam using rail integrated side form
CN104234012A (en) * 2014-09-28 2014-12-24 浙江水利水电学院 Ultralong concrete slip form body of concrete rockfill dam and construction method of slip form body

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CN101058974A (en) * 2005-12-21 2007-10-24 中国水利水电第一工程局 Once forming construction technique for concrete panel rock fill dam bedding material and slope fixing mortar
CN101906768A (en) * 2010-08-19 2010-12-08 中国水电建设集团十五工程局有限公司 Panel construction method of concrete faced rock-fill dam
KR101368913B1 (en) * 2011-11-25 2014-02-28 주식회사 정원종합산업 Method for constructing face slab of concrete face rockfill dam using rail integrated side form
CN104234012A (en) * 2014-09-28 2014-12-24 浙江水利水电学院 Ultralong concrete slip form body of concrete rockfill dam and construction method of slip form body

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108978594A (en) * 2018-09-03 2018-12-11 中国葛洲坝集团第二工程有限公司 Concrete face rockfill dam separation layer construction method
CN108978594B (en) * 2018-09-03 2020-08-04 中国葛洲坝集团第二工程有限公司 Concrete face rockfill dam isolation layer construction method

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