CN106759385B - Municipal drainage pipeline pit slot supporting construction - Google Patents

Municipal drainage pipeline pit slot supporting construction Download PDF

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Publication number
CN106759385B
CN106759385B CN201710028475.5A CN201710028475A CN106759385B CN 106759385 B CN106759385 B CN 106759385B CN 201710028475 A CN201710028475 A CN 201710028475A CN 106759385 B CN106759385 B CN 106759385B
Authority
CN
China
Prior art keywords
retaining piles
drainage pipeline
voussoir
municipal drainage
support column
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201710028475.5A
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Chinese (zh)
Other versions
CN106759385A (en
Inventor
陈智豪
史经纬
孙海
应淑和
张甜甜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WENZHOU LONGWAN EARTH GREEN Co Ltd
Original Assignee
WENZHOU LONGWAN EARTH GREEN Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WENZHOU LONGWAN EARTH GREEN Co Ltd filed Critical WENZHOU LONGWAN EARTH GREEN Co Ltd
Priority to CN201710028475.5A priority Critical patent/CN106759385B/en
Publication of CN106759385A publication Critical patent/CN106759385A/en
Application granted granted Critical
Publication of CN106759385B publication Critical patent/CN106759385B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/06Foundation trenches ditches or narrow shafts
    • E02D17/08Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
    • E02D17/083Shoring struts
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F3/00Sewer pipe-line systems
    • E03F3/06Methods of, or installations for, laying sewer pipes

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

The invention discloses a kind of municipal drainage pipeline pit slot supporting construction, its key points of the technical solution are that:Including the retaining piles in pit slot both sides are arranged, the medial surface of the retaining piles is equipped with open slot, the support column being placed in open slot is equipped between retaining piles, in the open slot sliding block is equipped with along the sliding of the length direction of support column, the actuator that driving sliding block is slided and positioned in open slot is equipped in the retaining piles, due to being provided with sliding block in open slot, therefore, after construction finishes, sliding block can be slided opposite to each other, increase the distance between two sliding blocks, support column can slide in open slot, the dismounting of support column may be implemented, support column may be reused in this way, avoid the waste of support column, it is very environmentally friendly.

Description

Municipal drainage pipeline pit slot supporting construction
Technical field
The present invention relates to a kind of municipal works technologies, more specifically, it relates to a kind of municipal drainage pipeline pit slot supporting Structure.
Background technology
Municipal drain refers to rainwater, sewage conduct under town road, that is, " sewer pipe " being commonly called as leads in engineering Frequently referred to municipal drainage pipeline.According to equipment under Chinese town road, it is typically provided with different pipelines, such as electric power leads to Letter, coal gas, water supply, drainage pipeline etc..And drainage pipeline is the measure to rain, dirty shunting, i.e. rainwater is generally discharged into river nearby Stream, sewage is discharged into sewage treatment plant, so municipal drain includes two kinds of pipelines of rainwater and sewage.In cities and towns municipal drainage pipeline The problems such as engineering geology is complicated, operation side is small, the construction period is short is often encountered in work progress, if applied according to conventional Work method is constructed, it is difficult to ensure that work surface close to buildings safety, it is therefore necessary to study a kind of new method for protecting support ability Engineering is set smoothly to be unfolded.
Therefore, Authorization Notice No. provides a kind of municipal drainage pipeline pit slot supporting for the utility model of CN205134332U Structure, including the retaining piles in pit slot both sides are set, the support column being supported to retaining piles is equipped between retaining piles, Support column can be supported retaining piles, and then play a supporting role to pit slot.
When mounted, the open slot coordinated with support column is equipped on retaining piles, support column is mounted in open slot, After installing, retaining piles receive the extruding of the soil of pit slot both sides, can be constantly between retaining piles and support column Impaction state, supporting time is longer, and the pressure that the inner wall of open slot applies on the support columns is also bigger, is finished in this way in repair Later, support column can not take out out of open slot, can only be dismantled using destructive method, such support column, only It is only used only once, be easy to cause unnecessary waste.
Invention content
In view of the deficiencies of the prior art, it the object of the present invention is to provide a kind of municipal drainage pipeline supporting construction, is using After finishing, support column, which disassembles, to be remained able to repeat to utilize.
The present invention above-mentioned technical purpose technical scheme is that:A kind of municipal drainage pipeline pit slot Supporting construction, including the retaining piles in pit slot both sides are set, the medial surface of the retaining piles is equipped with open slot, supporting row The support column being placed in open slot is equipped between stake, the interior length direction sliding along support column of the open slot is equipped with sliding block, The actuator that driving sliding block is slided and positioned in open slot is equipped in the retaining piles.
By using above-mentioned technical proposal:When installation, after retaining piles are inserted into bottom surface, support column is put into open slot It is interior, due to being provided with sliding block in open slot, the distance between open slot can be more than the length of support column, open in this way Between mouthful slot and support column can there are certain gaps, after use finishes, can very easily realize support column Dismounting, realize the reuse of support column.After support column is put into open slot, actuator drives sliding block sliding, branch Dagger is clamped between two sliding blocks, and support column can play a supporting role to retaining piles, is not interfering with retaining piles just It is often used.
Preferably, the actuator includes the voussoir slid perpendicular to sliding block, the voussoir is equipped with the first inclined-plane, institute It states sliding block and is equipped with the second inclined-plane that can be bonded with the first inclined-plane, the glide direction spiral shell of the sides of the retaining piles along voussoir Line is connected with the driving screw for driving voussoir to slide.
By using above-mentioned technical proposal:When wanting elongation of the adjusting slider in open slot, rotation driving screw, Screw driving voussoir sliding is driven, due to being connect with the second inclined-plane by the first inclined-plane between voussoir and sliding block, wedge Block can be driven sliding block sliding, and the driving of voussoir is realized using driving screw, very laborsaving when adjusting.
Preferably, the glide direction of the first inclined-plane upper edge voussoir is equipped with dovetail groove, second inclined-plane is equipped with With the dovetails of dovetail groove cooperation.
By using above-mentioned technical proposal:After installing, dovetails are slided in dovetail groove, and dovetails and swallow is arranged Stern notch, it is ensured that the first inclined-plane and the second inclined-plane fit together always, and such voussoir can not only drive sliding block to slide Go out, can also be with movable slider and rollback, that stablizes realizes sliding, facilitates the dismounting of support column;Further, since the first inclined-plane It fits together always with the second inclined-plane, can enter in the first inclined-plane and the second inclined-plane to avoid impurity such as dusts, cause There is stuck phenomenon in sliding block or voussoir.
Preferably, the end of the driving screw is equipped with T shape columns, the end face of the voussoir is equipped with to be coordinated with T shape columns T-slot.
By using above-mentioned technical proposal:Screw is driven to be rotatablely connected by T shapes column and voussoir, such voussoir and driving spiral shell Nail is detachably connected, and voussoir can take out out of retaining piles, and the maintenance in later stage is very convenient.
Preferably, the side of the retaining piles is embedded with level meter, the level meter and driving screw homonymy setting.
By using above-mentioned technical proposal:Level meter is set, when installing retaining piles, level meter can be used as reference, The phenomenon that avoiding retaining piles from deflecting ensure that the accuracy of installation site, in this way in the later stage in use, retaining piles can Pit slot is supported with sufficiently stable.
Preferably, vertically sliding is equipped with the supporting rib for capableing of oblique insertion ground in the retaining piles.
By using above-mentioned technical proposal:After retaining piles install, the oblique insertion bottom surface of supporting rib is supporting When, supporting rib can play the role of Auxiliary support, improve the fixed effect of retaining piles on the ground, can more stablize Support of the realization retaining piles to pit slot.
Preferably, the supporting rib includes from top to bottom vertical portion and rake, it is located on the retaining piles perpendicular The both sides rotation in straight portion is equipped with the driving wheel abutted with supporting rib.
By using above-mentioned technical proposal:When want by supporting rib be inserted into ground when, rotate driving wheel, by driving wheel with The frictional force of vertical portion, you can realize sliding of the supporting rib in slide opening, it is simple in structure, it is easy to operate, in supporting rib Both sides are respectively provided with driving wheel, and when driving, the stress of supporting rib is visibly homogeneous, also, the frictional force that supporting rib is subject to also will increase, The driving of realization supporting rib that can be sufficiently stable.
Preferably, the driving wheel is equipped with the first engaging tooth, the side of the supporting rib is equipped with and the first engaging tooth Second engaging tooth of cooperation.
By using above-mentioned technical proposal:First engaging tooth intermeshes with the second engaging tooth, further increases drive The contact area of driving wheel and supporting rib can have skidded phenomenon to avoid driving wheel, ensure that after driving wheel rotation, support Muscle can be driven, and when encountering the very strong situation of some soil properties, supporting rib can also be driven into bottom surface, improve supporting The adaptability of structure.
Preferably, being connected with worm gear in the shaft of the driving wheel, rotates to be equipped on the retaining piles and match with worm gear The worm screw of conjunction.
By using above-mentioned technical proposal:In use, rotary worm, you can driving driving wheel rotation, due to worm gear and snail The transmission ratio of bar is big, therefore, in operation, can the very laborsaving rotation for realizing driving wheel.
Preferably, the bottom of the retaining piles is equipped with conical head, cone can be stretched out by sliding to be equipped in the conical head The reinforcement cylinder of forming head, the reinforcement jacket casing are located at outside supporting rib, are equipped with and are used for positioned at the both ends for reinforcing cylinder on the rake The circular cone that cylinder skids off conical head is reinforced in driving.
By using above-mentioned technical proposal:After reinforcing rib stretches out, under the driving of circular cone, reinforcing cylinder can skid off Slide opening is located in slide opening at this point, reinforcing canister portion point, is partly located at outside slide opening, and reinforcing rib and retaining piles can be increased by reinforcing cylinder Between contact area, avoid supporting rib from phenomenon of rupture occur.Simultaneously as provided with cylinder is reinforced, reinforcement cylinder can play auxiliary The effect of support is helped, therefore, the diameter of supporting rib can become smaller, and the elasticity of such supporting rib can be more preferable, and supporting rib is in slide opening Sliding also can be more steady.
In conclusion the invention has the advantages that:
1, due to being provided with sliding block in open slot, after construction finishes, sliding block can be slided opposite to each other, is increased The distance between big two sliding blocks, support column can slide in open slot, and the dismounting of support column may be implemented, in this way support Column may be reused, and avoid the waste of support column, very environmentally friendly;
2, easy to operate, the good fixing effect of retaining piles.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present embodiment;
Fig. 2 is the sliding block and voussoir scheme of installation of the present embodiment;
Fig. 3 is the sliding block and voussoir assembly explosive view of the present embodiment;
Fig. 4 is the supporting rib assembling schematic diagram one of the present embodiment;
Fig. 5 is the supporting rib assembling schematic diagram two of the present embodiment.
In figure:1, retaining piles;11, open slot;12, screw is driven;121, T shapes column;13, level meter;14, worm screw;2, Conical head;3, slide opening;31, supporting rib;311, the second engaging tooth;312, circular cone;4, support column;5, voussoir;51, first tiltedly Face;511, dovetail groove;52, T-slot;6, sliding block;61, the second inclined-plane;611, dovetails;7, driving wheel;71, worm gear;72, first Engaging tooth;8, reinforce cylinder.
Specific implementation mode
Below in conjunction with attached drawing 1-5, invention is further described in detail.
Referring to Fig.1, including the retaining piles 1 in pit slot both sides are arranged in a kind of municipal drainage pipeline pit slot supporting construction, branch The bottom for protecting campshed 1 is equipped with conical head 2, and when installation, retaining piles 1 hammer into ground by conical head 2, realize retaining piles 1 It is fixed, it is equipped with support column 4 between two retaining piles 1, opposite side is equipped with open slot 11, open slot on retaining piles 1 11 size coordinates with the sectional dimension of support column 4, and after installing, retaining piles 1 are disposed in parallel relation to one another, and support column 4 hangs down Directly in two retaining piles 1.
Referring to Fig.1 and Fig. 2 is arranged in the interior length direction sliding along open slot 11 of open slot 11 equipped with sliding block 6 in supporting The actuator of the sliding of driving sliding block 6 and positioning is equipped in stake 1, when work, actuator adjusts the distance between two sliding blocks 6, Realize the clamping of support column 4, after ensureing that the support effect of support column 4, pit slot maintenance finish, actuator drives sliding block 6 reversed Sliding, the distance between sliding block 6 increase, and at this time can take out support column 4 out of open slot 11.
With reference to Fig. 2 and Fig. 3 because when in use, the actual needs sliding of sliding block 6 apart from very little, but sliding block 6 is held The pressure received can be very big, and therefore, in the present embodiment, actuator selects voussoir 5, voussoir 5 to be vertically arranged relative to sliding block 6, voussoir 5 It is slided in the same plane with sliding block 6, voussoir 5 is equipped with the first inclined-plane 51, is equipped on sliding block 6 and is bonded with the first inclined-plane 51 Second inclined-plane 61 only needs that voussoir 5 is driven to slide in this way, you can realizes ejection and the rollback of sliding block 6, simple in structure, operation It is convenient.
Referring to Fig.1 and Fig. 3 sets for the sliding for the realization sliding block 6 more stablized on the first inclined-plane 51 of voussoir 5 There are dovetail groove 511, dovetail groove 511 to be parallel to the plane setting of the sliding of voussoir 5, be equipped with and dovetail groove 511 on the second inclined-plane 61 The dovetails 611 of cooperation.When work, due to being provided with dovetail groove 511 and dovetails 611, it can ensure the first inclined-plane 51 fit together always with the second inclined-plane 61, and when voussoir 5 retracts, sliding block 6 can also be followed and be retracted together, improve voussoir 5 With the linkage of sliding block 6, support column 4 easy to disassemble.
Referring to Fig.1 and Fig. 2, in the side of retaining piles 1 driving screw is threaded with along the glide direction of voussoir 5 12, driving screw 12 can be abutted with the side of voussoir 5 always, and rotation driving screw 12, driving screw 12 can be driven sliding block 6 Advance or retracts.Since the transmission ratio of screw thread is very big, it very can easily realize the driving of sliding block 6, in operation It is very laborsaving, simultaneously as being threadedly coupled has self-locking function, it is thereby achieved that positioning of the voussoir 5 in retaining piles 1, It is simple in structure easy to operate.
With reference to 3, it is equipped with T shapes column 121 in the end of driving screw 12, vertically runs through setting on the end face of voussoir 5 There is the T-slot 52 coordinated with T shapes column 121, after installing, driving screw 12 is only rotatablely connected with voussoir 5, drives spiral shell Nail 12 can be sufficiently stable driving voussoir 5 slide.
Referring to Fig.1, it is embedded with level meter 13 in the side of retaining piles 1, when rotation drives screw 12, water can be passed through Level 13 judges the position of retaining piles 1, in this way it is known that whether retaining piles 1 are in vertical state, can be very intuitive Judge retaining piles 1 whether be adjusted in place, in order to further facilitate observation, level meter 13 with driving screw 12 setting exists On same side.
With reference to Fig. 4 and Fig. 5, in order to preferably realize the fixation of retaining piles 1, along vertical in retaining piles 1 Direction sliding is equipped with the supporting rib 31 for capableing of oblique insertion ground, and supporting rib 31 has certain elasticity and rigidity, this implementation In example, diameter is selected, as supporting rib 31, to be equipped with for supporting rib 31 in retaining piles 1 and conical head 2 in the reinforcing bar of 3-5mm The slide opening 3 of sliding, the diameter of slide opening 3 are more than the diameter of supporting rib 31, and supporting rib 31 includes vertical portion and rake, vertical portion And rake is wholely set, likewise, the slide opening 3 in retaining piles 1 is vertical, the slide opening 3 being located in conical head 2 It is inclined, slide opening 3 is from top to bottom always outside setting conical head 2.
It with reference to Fig. 4 and Fig. 5, drives supporting rib 31 to slide for convenience, driving wheel 7 is equipped in the interior rotation of retaining piles 1, Driving wheel 7 is two, is symmetricly set on the both sides of supporting rib 31, driving wheel 7 is abutted with the outer surface of supporting rib 31, passes through driving The frictional force of wheel 7 and supporting rib 31 realizes the driving of supporting rib 31, and circumference array is equipped with first on the peripheral surface of driving wheel 7 Engaging tooth 72 is equipped with the second engaging tooth 311 engaged with the first engaging tooth 311 on the side of supporting rib 31, is driven at two It is fixed with worm gear 71 on wheel 7, worm gear 71 is coaxially disposed with driving wheel 7, is equipped on retaining piles 1 and to be coordinated with worm gear 71 Worm screw 14 is equipped with handle hole in the part for the retaining piles 1 that worm screw 14 stretches out, is slided in handle hole in order to facilitate rotary worm 14 It moves and is equipped with operating lever.
With reference to Fig. 4, in the bottom of slide opening 3, sliding, which is equipped with, reinforces cylinder 8, reinforces the outside that cylinder 8 is set in rake, tilting In portion, it is located at the both ends for reinforcing cylinder 8 equipped with circular cone 312, the distance between two circular cones 312, which are more than or equal to, reinforces cylinder 8 length.
The course of work is summarized:When work, after support column 4 is placed into open slot 11, rotation driving screw 12, driving Screw 12 drives voussoir 5 to slide, and voussoir 5 drives sliding block 6 to be slided towards support column 4, and voussoir 5 is abutted with the both ends of the surface of support column 4, It realizes that support column 4 is fixed in open slot 11, is to rotate backward driving screw 12 when wanting dismounting, driving screw 12 drives wedge 5 reverse slide of block, sliding block 6 retract, and the distance between two sliding blocks 6 increase, and at this time can take support column 4 out of open slot 11 Go out.After retaining piles 1 are inserted into underground, rotary worm 14, worm gear 71 drives driving wheel 7 to rotate, and driving wheel 7 is in the first engagement Under the transmission of tooth 72 and the second engaging tooth 311, the inclination of supporting rib 31 is skidded off taper by the sliding in slide opening 3 of driving supporting rib 31 First 2, meanwhile, under the driving of circular cone 312, reinforces 8 part of cylinder and skid off slide opening 3, be partly located in slide opening 3, rotate backward snail Bar 14, supporting rib 31 is withdrawn, and under the driving of circular cone 312, is reinforced cylinder 8 and is retracted to slide opening 3.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (9)

1. a kind of municipal drainage pipeline pit slot supporting construction, including the retaining piles (1) in pit slot both sides are set, the supporting row The medial surface of stake (1) is equipped with open slot (11), and the support column being placed in open slot (11) is equipped between retaining piles (1) (4), it is characterised in that:In the open slot (11) sliding block (6), the supporting are equipped with along the sliding of the length direction of support column (4) The actuator of driving sliding block (6) sliding and positioning in open slot (11) is equipped in campshed (1);The actuator includes vertical In the voussoir (5) that sliding block (6) slides, the voussoir (5) is equipped with the first inclined-plane (51), and the sliding block (6) is equipped with can be with The side on the second inclined-plane (61) of the first inclined-plane (51) fitting, the retaining piles (1) connects along the glide direction screw thread of voussoir (5) It is connected to the driving screw (12) for driving voussoir (5) to slide.
2. municipal drainage pipeline pit slot supporting construction according to claim 1, it is characterised in that:First inclined-plane (51) The glide direction of upper edge voussoir (5) is equipped with dovetail groove (511), and second inclined-plane (61) is equipped with to be coordinated with dovetail groove (511) Dovetails (611).
3. municipal drainage pipeline pit slot supporting construction according to claim 1 or 2, it is characterised in that:The driving screw (12) end is equipped with T shapes column (121), and the end face of the voussoir (5) is equipped with the T-slot (52) coordinated with T shapes column (121).
4. municipal drainage pipeline pit slot supporting construction according to claim 3, it is characterised in that:The retaining piles (1) Side be embedded with level meter (13), the level meter (13) and driving screw (12) homonymy setting.
5. municipal drainage pipeline pit slot supporting construction according to claim 1, it is characterised in that:The retaining piles (1) Inside vertically sliding is equipped with being capable of the oblique supporting rib (31) for being inserted into ground.
6. municipal drainage pipeline pit slot supporting construction according to claim 5, it is characterised in that:The supporting rib (31) by Up to it is lower include vertical portion and rake, the both sides rotation that vertical portion is located on the retaining piles (1) is equipped with and supporting rib (31) driving wheel (7) abutted.
7. municipal drainage pipeline pit slot supporting construction according to claim 6, it is characterised in that:On the driving wheel (7) Equipped with the first engaging tooth (311), the side of the supporting rib (31) is equipped with the second engaging tooth coordinated with the first engaging tooth (311) (72)。
8. the municipal drainage pipeline pit slot supporting construction described according to claim 6 or 7, it is characterised in that:The driving wheel (7) Shaft on be connected with worm gear (71), on the retaining piles (1) rotation be equipped with the worm screw (14) coordinated with worm gear (71).
9. municipal drainage pipeline pit slot supporting construction according to claim 8, it is characterised in that:The retaining piles (1) Bottom be equipped with conical head (2), in the conical head (2) sliding be equipped with the reinforcement cylinder (8) that can stretch out conical head (2), it is described Reinforce cylinder (8) and be set in supporting rib (31) outside, is equipped with for driving reinforcement positioned at the both ends for reinforcing cylinder (8) on the rake Cylinder (8) skids off the circular cone (312) of conical head (2).
CN201710028475.5A 2017-01-16 2017-01-16 Municipal drainage pipeline pit slot supporting construction Expired - Fee Related CN106759385B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710028475.5A CN106759385B (en) 2017-01-16 2017-01-16 Municipal drainage pipeline pit slot supporting construction

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Application Number Priority Date Filing Date Title
CN201710028475.5A CN106759385B (en) 2017-01-16 2017-01-16 Municipal drainage pipeline pit slot supporting construction

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CN106759385B true CN106759385B (en) 2018-11-02

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108166508A (en) * 2018-01-24 2018-06-15 浙江立鹏建设有限公司 A kind of municipal drainage pipeline pit slot supporting construction
CN110453692B (en) * 2019-08-14 2021-07-16 温州市鹿通建设有限公司 Municipal administration drain pipe pit slot supporting construction
CN113550298B (en) * 2021-07-21 2022-11-11 江苏久聚建设工程有限公司 Prefabricated combined pile for medium and small bridges

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4976999B2 (en) * 2007-12-19 2012-07-18 株式会社竹中土木 Sheet pile-type support method for cut groove
CN201554013U (en) * 2009-11-18 2010-08-18 武汉大学 Ecological pollution-decreasing drainage canal
CN104929159B (en) * 2015-05-06 2016-09-28 浙江海洋学院 A kind of pattern foundation pit supporting structure pressure-detecting device
CN205134332U (en) * 2015-09-08 2016-04-06 浙江中林勘察研究股份有限公司 Municipal administration delivery pipeline hole groove supporting construction
CN106193253B (en) * 2016-08-15 2021-06-25 上海市政工程设计研究总院(集团)有限公司 Construction method of comprehensive pipe gallery drainage pipeline

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Granted publication date: 20181102