CN201972137U - Steel-structure combined type interlayer steel plate rock-fill dam - Google Patents

Steel-structure combined type interlayer steel plate rock-fill dam Download PDF

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Publication number
CN201972137U
CN201972137U CN2011200688846U CN201120068884U CN201972137U CN 201972137 U CN201972137 U CN 201972137U CN 2011200688846 U CN2011200688846 U CN 2011200688846U CN 201120068884 U CN201120068884 U CN 201120068884U CN 201972137 U CN201972137 U CN 201972137U
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China
Prior art keywords
steel
dam
steel plate
layer
plate
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Expired - Fee Related
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CN2011200688846U
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Chinese (zh)
Inventor
魏群
张国新
刘尚蔚
姜华
尹伟波
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North China University of Water Resources and Electric Power
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North China University of Water Resources and Electric Power
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Priority to CN2011200688846U priority Critical patent/CN201972137U/en
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Publication of CN201972137U publication Critical patent/CN201972137U/en
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Abstract

The utility model relates to a steel-structure combined type interlayer steel plate rock-fill dam which comprises a cushion region, a transition region, a rock-fill region, a parapet wall, a downstream revetment and an impermeable structure consisting of a water baffle panel, toe boards at both shores and a riverbed toe board; a combined type interlayer steel plate at the upstream water surface of a dam body comprises an internal layer steel plate, an external layer steel plate and a support skeleton; the backwater surface of the internal layer single steel plate is transversely provided with a plurality of fixed joint ribs penetrating into the dam body; and a layer of antiseptic and impermeable coating polyurea material is assisted on all the surfaces of the combined type interlayer steel plate and the joint ribs and on abutted seams or connecting bolts. The rock-fill dam adopts the advantages of a gravity dam and a steel bam, and is stable, easy to construct and flexible in structural form, can better adapt to topographic conditions, has low performance requirements on dam building materials, can use various construction materials and reduces the environmental disruption caused by dam construction; and the rock-fill dam has the advantages that the rock-fill dam can be subject to batch processing by a factory, and is fast in field operation speed and convenient to maintain or replace.

Description

Steel structure combined sandwich clad steel loose rock dam
Technical field
The utility model relates to the loose rock dam in a kind of hydrotechnics field, particularly relates to a kind of steel structure combined sandwich clad steel loose rock dam.
Background technology
Rock is one of common water retaining structure, the dam type that it is made up of the rockfill and the panel that meets water.Its advantage is; Dam body is made up of local material (building stones); Simple in structure; Increase, extend easily; Ground there is good compliance; Easy construction.But the shortcoming of this dam type maximum is that concrete slab is prone to thermal cracking in work progress; And in the running,, the stable of dam body had a negative impact because the differential settlement of dam body also will cause the crack.And in a single day concrete slab goes wrong and just exists problems such as maintenance difficult.
The utility model content
In order to overcome concrete face rockfill dam, investment is big, shortcoming long in time limit, big to ambient influnence, and the utility model provides a kind of steel structure combined sandwich clad steel loose rock dam.
Technical scheme: a kind of steel structure combined sandwich clad steel loose rock dam, comprise the bed course district, transition region, enrockment district (main enrockment district and time enrockment district), wave wall and downstream protection slope, water retaining facing and two sides toe board, the common leakage preventing structure of forming of riverbed toe board, the water retaining facing of dam body upstream upstream face is the combined type sandwich clad steel, this combined type sandwich clad steel comprises inner layer steel plate and outer layer plate, described inner layer steel plate fixedly is put together by a plurality of weather-proof steel disc Butt sealings by several rectangle single steel plates, and fit with the dam body upstream face, each internal layer single steel plate back side is laterally established the many fixedly joint bars that go deep into dam body inside, in, support frame between the outer two-layered steel plates is ridden in the junction of internal layer single steel plate, horizontal and vertical support frame is divided into a plurality of support units to the upstream face of dam body, and a plurality of single steel plates are sealingly fastened in and form outer layer plate on the support frame; The lower end of combined type sandwich clad steel is connected with the riverbed toe board and sealing and fixing, perhaps insert in the riverbed toe board and sealing and fixing, the both sides of combined type sandwich clad steel respectively with the step-like of two sides or inclined plane shape side slope sealing and fixing, on all surface of combined type sandwich clad steel and on the joint bar, and auxiliary on butt joint or the connecting bolt one deck anti-corrosion leak-proof coating polyurea materials arranged.
Be provided with bed course between the inner panel of steel work assembled panel and the dam body.The thickness of single steel plate that is positioned at internal layer is in 10mm, and outer layer plate thickness is in 15mm~50mm scope.Inner layer steel plate can play even power transmission, for the effect of template, the gradient adjusting range of upstream steel work assembled panel very big (37 °~45 °) are played in the moulding of dam body packing area.
Described skeleton is " worker " font steel, the a plurality of weather-proof steel disc of the inner layer steel plate of combined type sandwich clad steel and outer layer plate respectively by bolt and weather strip sealing and fixing on the edge of a wing of " worker " font steel, perhaps be fixed by welding on the edge of a wing of " worker " font steel.
One deck diaphragm seal is docked and be lined with in the i shaped steel bottom flange with the internal layer combined steel plate, the bottom flange of i shaped steel is provided with through hole, the internal layer single steel plate is provided with corresponding screwed hole, and bolt screws in the external surface sealing and fixing that makes itself and inner layer steel plate from i shaped steel one end; One deck diaphragm seal is docked and is lined with in the i shaped steel top flange with outer layer plate, the top flange of i shaped steel is provided with screwed hole, and outer layer plate is provided with corresponding through hole, bolt screw in from the outer layer plate outside make itself and i shaped steel the top flange sealing and fixing together.
Vertical fixing has the bolt of deciding on the external surface of internal layer single steel plate, the bottom flange of i shaped steel is provided with the through hole to usefulness, be lined with one deck diaphragm seal between i shaped steel and internal layer single steel plate, and this through hole coupling is set in corresponding deciding on the bolt, each end of deciding bolt is fixed with nut; The top flange vertical fixing of i shaped steel has the bolt of deciding, and outer single steel plate is provided with the through hole to usefulness, is lined with one deck diaphragm seal between outer single steel plate and i shaped steel.And this through hole is set in corresponding deciding on the bolt, each end of deciding bolt is fixed with nut.
Dam body upstream face steel work assembled panel and horizontal plane angle scope are 37 °~45 °.
The dam body underwater bed is mattress layer or drainage prism, and the lower end of combined type sandwich clad steel is provided with drainage channel.
Described i shaped steel is that two channel-section steels are by bolt or the fixing formation of welding.
Described diaphragm seal is a rubber pad, and its cross section is " several " font, and perhaps cross section is " Ω " shape.
On the web of described i shaped steel, be provided with through hole.
Described i shaped steel is arranged from dense to sparse to the top end of from along the elevation direction.
Also be fixed with the intermediate supports skeleton in support unit, this intermediate supports skeleton is linear pattern or is camber line shape or polygon.
Dam body is provided with the overflow monolith, and spillwag chute all is fixed with steel plate in the downstream of overflow monolith, is fixed with steel plate on the dam body of overflow monolith both sides.
At the riverbed medial shaft of the upstream of dam body bottom surface to being provided with impervious wall.
The end of described joint bar is provided with crotch.
The beneficial effects of the utility model:
The steel structure combined sandwich clad steel loose rock dam of the utility model be with steel plate as the panel that meets water, be the dam body of braced structures with the earth and stone material, come down to a kind of combined dam, it has the advantage of gravity dam and steel-structure dam simultaneously.The direct-connected combined support steel plate of the internal layer of combined type sandwich clad steel and dam body wherein, and the inboard of this layer is fixed in the dam body by a plurality of joint bars, it is stable that the effect of joint bar keeps making up inner panel on the one hand, it is loose to make the upstream face of dam body partly become one on the other hand, and combination inner panel and dam body unity are that one can be firmer.The utility model have common loose rock dam stable advantage such as be easy to build in, overcome the existing long construction period of traditional concrete face rockfill dam and core wall dam, difficulty of construction is big, investment is big, material usage is big, the shortcoming big to ambient influnence.
2. dam type of the present utility model is novel hydraulic structure, the crack occurs easily and the shortcoming that causes shortening application life with respect to traditional concrete face rockfill dam, steel structure assembled panel dam is the water-retaining structure form that can bear various loads and transmit the mixed material of load.Its form of structure flexibly, adaptation to the ground condition better, not high to the performance requirement of dam material, can use multiple constructional materials, reduce the environmental disruption that produces because of building a dam, but and having factory's batch machining, site operation speed is fast, is convenient to the advantage of safeguarding or changing.
3. another advantage that adopts the combined type sandwich clad steel to compare with common individual layer steel plate is that the thickness of steel plate is reduced, the steel work supporter that skeleton forms, can uniformly hydraulic pressure be dispersed to inner layer steel plate, pass to dam body itself by inner layer steel plate again, reliable and stable.Its upper and lower two edges of a wing of I-shaped skeleton can be effectively with ectonexine steel plate sealing and fixing together, the bar shaped skeleton of vertical and horizontal surrounds a plurality of support units successively, make the assembling and the maintenance of outer single steel plate all very convenient, construction synchronously simultaneously, shorten construction period greatly, improve efficient.
4. adopt technical solutions of the utility model when construction, can have two kinds by way of, a kind of is the loose rock dam upstream face to be repaired smooth back lay the combined type sandwich clad steel, another kind directly forms template with the fixing back of combined type sandwich clad steel, filler and compacting in template, form the combination dam body, construction is simple and efficient.
5. the utility model can also be at the equal fixation steel plate of back side and dam body top flange, thereby dam body itself can overcurrent, also can cooperate flood season safety to pass the flood period, and has reduced or reduced the design of temporary building (as cofferdam, diversion structure), the input of construction.
Description of drawings
Fig. 1 is the steel structure combined sandwich clad steel loose rock dam of a utility model section structure schematic diagram;
Fig. 2 is the local structure for amplifying schematic diagram of Fig. 1;
Fig. 3 is a combined type sandwich clad steel structural representation;
Fig. 4 is one of sealing and fixing structural representation of inside and outside layer steel plate and i shaped steel;
Fig. 5 is by the fixing i-beam structure schematic diagram that forms of butt joint by two channel-section steels;
Fig. 6 be inside and outside layer steel plate and i shaped steel the sealing and fixing structural representation two;
Fig. 7 and Fig. 8 are respectively two kinds of Facad structure schematic diagrames of two kinds of the utility model dam bodys;
Fig. 9 is the fixed structure schematic diagram of inside and outside layer steel plate.
Number in the figure 1 is the enrockment dam body, and 2 is outer layer plate, and 3 is inner layer steel plate, 4 is downstream protection slope, and 5 is joint bar, and 6 is impervious wall, 7 is upper pond level, and 9 is i shaped steel (skeleton), and 10 are the overflow monolith, 11 is step surface, and 11 ' is the inclined-plane, and 12 is toe board, 13 is the riverbed, and 14 is transition zone, and 15 is upstream apron, 16 is wave wall, and 17 is bolt, and 18 is through hole, 19 is sealing mat (rubber pad), and 20 is the linear pattern skeleton of intermediate supports, and 21 is the camber line shape support of intermediate supports, 22 is the through hole of outer layer plate, 22 ' is the screwed hole of inboard steel plate, and 23 for to decide bolt, and 24 is i shaped steel top flange screwed hole, 24 ' is i shaped steel bottom flange through hole, and 25 is bed course.
The specific embodiment
Embodiment one: referring to Fig. 1-Fig. 4, Fig. 7, a kind of steel structure combined sandwich clad steel loose rock dam, the loose rock dam that dam body is made up of enrockment, these loose rock dam comprise the bed course district, transition region, enrockment district (main enrockment district and time enrockment district), steel work panel and two sides toe board, the common leakage preventing structure of forming of riverbed toe board, and the wave wall and the downstream protection slope that are positioned at dam crest, dam body upstream upstream face is set to the combined type sandwich clad steel.
The combined type sandwich clad steel comprises internal layer combined steel plate and outer combined steel plate, between inside and outside two-layer combined steel plate support frame is set.
The internal layer combined steel plate is fitted on the dam body upstream face, and this inner layer steel plate is that a plurality of weather-proof steel disc that satisfies structural arrangement form is fixed by Butt sealing, and crosswise fixed has many joint bars on the inner surface of each internal layer single steel plate, and each joint bar gos deep into the dam body inboard.
The external surface of the butt joint of each internal layer single steel plate is fixed with " worker " font steel (skeleton), " worker " font steel of vertical and horizontal surrounds a plurality of support units successively, the external surface of each support unit respectively sealing and fixing corresponding outer layer plate monolithic is arranged, the fixing back of each outer layer plate monolithic Butt sealing forms outer layer plate; The a plurality of weather-proof steel disc of the inner layer steel plate of combined type sandwich clad steel and outer layer plate respectively by bolt and weather strip sealing and fixing on the edge of a wing of " worker " font steel.Concrete structure is, one deck diaphragm seal is docked and be lined with in the i shaped steel bottom flange with the internal layer combined steel plate, and the sealing sheet is a rubber pad, and its cross section is " several " font.The bottom flange of i shaped steel is provided with through hole, and the internal layer single steel plate is provided with corresponding screwed hole, and bolt screws in the external surface sealing and fixing that makes itself and inner layer steel plate from i shaped steel one end; One deck diaphragm seal is docked and is lined with in the i shaped steel top flange with outer layer plate, the top flange of i shaped steel is provided with screwed hole, and outer layer plate is provided with corresponding through hole, bolt screw in from the outer layer plate outside make itself and i shaped steel the top flange sealing and fixing together.
The two sides side slope of dam body is the toe board of the step-like or inclined plane shape of concrete, the riverbed of dam body upstream upstream face is the concrete plane toe board, the lower end of combined type sandwich clad steel is connected with the riverbed toe board and sealing and fixing, perhaps insert in the toe riverbed plate and sealing and fixing, the both sides of combined type sandwich clad steel respectively with the step-like of two sides or inclined plane shape side slope sealing and fixing, on all surface of combined type sandwich clad steel and on the joint bar, and auxiliary on butt joint or the connecting bolt one deck anti-corrosion leak-proof coating polyurea materials arranged.
Be provided with bed course between the inner panel of steel work assembled panel and the dam body.The thickness of single steel plate that is positioned at internal layer is in 10mm, and outer layer plate thickness is in 15mm~50mm scope.Inner layer steel plate can play even power transmission, for the effect of template, the gradient adjusting range of upstream steel work assembled panel very big (37 °~45 °) are played in the moulding of dam body packing area.
The web of i shaped steel is provided with through hole, and the lower end of steel work assembled panel is provided with drainage channel.
Described skeleton pitch density to the dam crest trend at the bottom of the dam is dredged by close the change gradually.Also can also be fixed with the intermediate supports skeleton in support unit, Fig. 3 shows that this intermediate supports skeleton is a linear pattern.
Embodiment two: referring to Fig. 5, content and embodiment one are basic identical, and something in common does not repeat, and different is: described i shaped steel is that two channel-section steels are by bolt or the fixing formation of welding.
Embodiment three: referring to Fig. 6, content and embodiment one are basic identical, something in common does not repeat, different is: vertical fixing has the bolt of deciding on the external surface of internal layer single steel plate, the bottom flange of i shaped steel is provided with the through hole to usefulness, be lined with one deck diaphragm seal between i shaped steel and internal layer single steel plate, and this through hole coupling is set in corresponding deciding on the bolt, each end of deciding bolt is fixed with nut; The top flange vertical fixing of i shaped steel has the bolt of deciding, and outer single steel plate is provided with the through hole to usefulness, is lined with one deck diaphragm seal between outer single steel plate and i shaped steel.And this through hole is set in corresponding deciding on the bolt, each end of deciding bolt is fixed with nut.
Embodiment four: referring to Fig. 8, content and embodiment one are basic identical, and something in common does not repeat, and different is: the two sides side slope is the inclined-plane.
Embodiment five: accompanying drawing is not drawn, and content and embodiment one are basic identical, and something in common does not repeat, and different is: the dam body middle part is provided with the overflow monolith, all is fixed with steel plate in the downstream side and the top flange of overflow monolith, and the both sides of overflow monolith also are fixed with steel plate.
Embodiment six: referring to Fig. 9, content and embodiment one are basic identical, and something in common does not repeat, and different is: also be fixed with the intermediate supports skeleton in support unit, this intermediate supports skeleton is a camber line shape.
Embodiment seven: accompanying drawing is not drawn, and content and embodiment one are basic identical, and something in common does not repeat, and different is: a plurality of weather-proof steel disc of the inner layer steel plate of combined type sandwich clad steel and outer layer plate is to be fixed by welding on the edge of a wing of " worker " font steel.
Embodiment eight: accompanying drawing is not drawn, and content and embodiment one are basic identical, and something in common does not repeat, and different is: described diaphragm seal is a rubber pad, and its cross section is " Ω " shape.
Embodiment nine: accompanying drawing is not drawn, and content and embodiment one are basic identical, and something in common does not repeat, and different is: the end of described joint bar is provided with crotch.

Claims (10)

1. steel structure combined sandwich clad steel loose rock dam, comprise the bed course district, transition region, the enrockment district, wave wall and downstream protection slope, water retaining facing and two sides toe board, the common leakage preventing structure of forming of riverbed toe board, it is characterized in that: the water retaining facing of dam body upstream upstream face is the combined type sandwich clad steel, this combined type sandwich clad steel comprises inner layer steel plate and outer layer plate, described inner layer steel plate fixedly is put together by a plurality of weather-proof steel disc Butt sealings by several rectangle single steel plates, and fit with the dam body upstream face, each internal layer single steel plate back side is laterally established the many fixedly joint bars that go deep into dam body inside, in, support frame between the outer two-layered steel plates is ridden in the junction of internal layer single steel plate, horizontal and vertical support frame is divided into a plurality of support units to the upstream face of dam body, and a plurality of single steel plates are sealingly fastened in and form outer layer plate on the support frame; The lower end of combined type sandwich clad steel is connected with the riverbed toe board and sealing and fixing, perhaps insert in the riverbed toe board and sealing and fixing, the both sides of combined type sandwich clad steel respectively with the step-like of two sides or inclined plane shape side slope sealing and fixing, on all surface of combined type sandwich clad steel and on the joint bar, and auxiliary on butt joint or the connecting bolt one deck anti-corrosion leak-proof coating polyurea materials arranged.
2. according to the described steel structure combined sandwich clad steel loose rock dam of claim 1, it is characterized in that: described skeleton is " worker " font steel, the a plurality of weather-proof steel disc of the inner layer steel plate of combined type sandwich clad steel and outer layer plate respectively by bolt and weather strip sealing and fixing on the edge of a wing of " worker " font steel, perhaps be fixed by welding on the edge of a wing of " worker " font steel.
3. according to the described steel structure combined sandwich clad steel loose rock dam of claim 2, it is characterized in that: one deck diaphragm seal is docked and be lined with in the i shaped steel bottom flange with the internal layer combined steel plate, the bottom flange of i shaped steel is provided with through hole, the internal layer single steel plate is provided with corresponding screwed hole, and bolt screws in the external surface sealing and fixing that makes itself and inner layer steel plate from i shaped steel one end; One deck diaphragm seal is docked and is lined with in the i shaped steel top flange with outer layer plate, the top flange of i shaped steel is provided with screwed hole, and outer layer plate is provided with corresponding through hole, bolt screw in from the outer layer plate outside make itself and i shaped steel the top flange sealing and fixing together.
4. according to the described steel structure combined sandwich clad steel loose rock dam of claim 2, it is characterized in that: vertical fixing has the bolt of deciding on the external surface of internal layer single steel plate, the bottom flange of i shaped steel is provided with the through hole to usefulness, between i shaped steel and internal layer single steel plate, be lined with one deck diaphragm seal, and this through hole coupling is set in corresponding deciding on the bolt, each end of deciding bolt is fixed with nut; The top flange vertical fixing of i shaped steel has the bolt of deciding, outer single steel plate is provided with the through hole to usefulness, be lined with one deck diaphragm seal between outer single steel plate and i shaped steel, and this through hole is set in corresponding deciding on the bolt, each end of deciding bolt is fixed with nut.
5. according to the described steel structure combined sandwich clad steel loose rock dam of claim 1, it is characterized in that: dam body upstream face steel work assembled panel and horizontal plane angle scope are 37 °~45 °.
6. according to claim 2 or 3 or 4 each described steel structure combined sandwich clad steel loose rock dam, it is characterized in that: described diaphragm seal is rubber pad or copper sheet, and its cross section is " several " font, and perhaps cross section is " Ω " shape.
7. according to claim 2 or 3 or 4 each described steel structure combined sandwich clad steel loose rock dam, it is characterized in that: on the web of described i shaped steel, be provided with through hole.
8. according to the described steel structure combined sandwich clad steel loose rock dam of claim 1, it is characterized in that: described i shaped steel is arranged from dense to sparse to the top end of from along the elevation direction.
9. according to the described steel structure combined sandwich clad steel loose rock dam of claim 1, it is characterized in that: also be fixed with the intermediate supports skeleton in support unit, this intermediate supports skeleton is linear pattern or is camber line shape or polygon.
10. according to the described steel structure combined sandwich clad steel loose rock dam of claim 1, it is characterized in that: dam body is provided with the overflow monolith, all is fixed with steel plate at the spillwag chute of overflow monolith, is fixed with steel plate on the dam body of overflow monolith both sides.
CN2011200688846U 2011-03-16 2011-03-16 Steel-structure combined type interlayer steel plate rock-fill dam Expired - Fee Related CN201972137U (en)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102155004A (en) * 2011-03-16 2011-08-17 华北水利水电学院 Steel structure combined-type sandwich steel plate rock-fill dam
CN103225285A (en) * 2013-05-11 2013-07-31 天津大学 Steel membrane concrete faced rockfill dam
CN104060580A (en) * 2014-06-05 2014-09-24 河海大学 Method for eliminating clamp effect on seepage-proofing film anchoring part of high film faced rockfill dam by compensating displacement
CN104120686A (en) * 2014-07-28 2014-10-29 中国电建集团西北勘测设计研究院有限公司 High elastic die cushion type composite dam
CN104631393A (en) * 2015-01-27 2015-05-20 河海大学 Asphalt concrete slab structure based on steel wire gauze and used for rock-fill dam

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102155004A (en) * 2011-03-16 2011-08-17 华北水利水电学院 Steel structure combined-type sandwich steel plate rock-fill dam
CN102155004B (en) * 2011-03-16 2012-11-07 华北水利水电学院 Steel structure combined-type sandwich steel plate rock-fill dam
CN103225285A (en) * 2013-05-11 2013-07-31 天津大学 Steel membrane concrete faced rockfill dam
CN103225285B (en) * 2013-05-11 2015-09-16 天津大学 A kind of steel membrane rock
CN104060580A (en) * 2014-06-05 2014-09-24 河海大学 Method for eliminating clamp effect on seepage-proofing film anchoring part of high film faced rockfill dam by compensating displacement
CN104060580B (en) * 2014-06-05 2016-04-13 河海大学 Compensate for displacement eliminates the method for high facial mask loose rock dam antiseepage film anchoring place chucking effect
CN104120686A (en) * 2014-07-28 2014-10-29 中国电建集团西北勘测设计研究院有限公司 High elastic die cushion type composite dam
CN104120686B (en) * 2014-07-28 2016-04-13 中国电建集团西北勘测设计研究院有限公司 A kind of high-elastic die-cushion A seating compound dam
CN104631393A (en) * 2015-01-27 2015-05-20 河海大学 Asphalt concrete slab structure based on steel wire gauze and used for rock-fill dam
CN104631393B (en) * 2015-01-27 2016-08-31 河海大学 A kind of rock-fill dams asphalt concrete face slab structure based on steel wire

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