CN104482299A - Underground pipeline box culvert - Google Patents
Underground pipeline box culvert Download PDFInfo
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- CN104482299A CN104482299A CN201410856031.7A CN201410856031A CN104482299A CN 104482299 A CN104482299 A CN 104482299A CN 201410856031 A CN201410856031 A CN 201410856031A CN 104482299 A CN104482299 A CN 104482299A
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- China
- Prior art keywords
- box culvert
- cement
- along
- groove
- cover board
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/06—Accessories therefor, e.g. anchors
Abstract
The invention discloses an underground pipeline box culvert. The underground pipeline box culvert comprises sequentially-connected box culvert units. Fire disaster expansion gaps are reserved between the box culvert units. Each box culvert unit comprises an inverted-U-shaped upper cement cover plate, a middle cement partition plate, a cement base plate and a pipe support installed on the vertical surfaces of the inner side of the upper cement cover plate and/or the vertical surfaces of the middle cement partition plate, wherein the upper cement cover plate, the middle cement partition plate and the cement base plate are matched, the lower end of the upper cement cover plate and the cement base plate are matched on the two transverse sides of the box culvert in the longitudinal direction of the box culvert in an embedded and sleeved mode, and the embedded, sleeved and matched structure A comprises fire disaster expansion gaps formed in the transverse direction of the box culvert; the lower end of the middle cement partition plate and the middle of the upper side of the cement base plate are matched in the longitudinal direction of the box culvert in an embedded and sleeved mode; the upper end of the middle cement partition plate and the middle of the lower side of the upper cement cover plate are matched in the longitudinal direction of the box culvert in an embedded and sleeved mode, and the embedded, sleeved and matched structure B comprises fire disaster expansion gaps formed in the height direction of the box culvert. By means of the underground pipeline box culvert, cracking and collapsing, caused by expansion of concrete coarse aggregate, of a box culvert structure during a fire disaster can be avoided, the transport cost and the installation cost are low, the fireproof limitation of the box culvert is high, and the pipe supports bring convenience to pipeline installation.
Description
Technical field
The present invention relates to a kind of box culvert installing underground utility for building pipe gallery.
Background technique
Municipal administration common trench is the common tunnel of City Buried Pipeline, also known as pipe gallery or pipe trench.As far back as 1833, Paris creatively arranged the pipeline such as coal gas, electric power in the large-scale drainage pipe in underground, defines early stage common trench.Some developed countries have also built common trench in succession subsequently, and along with the process of urbanization, common trench technology becomes better and approaching perfection day by day.
At present, common trench underground utility box culvert both domestic and external mainly contains two kinds: integrated type is underground pipelines box culvert and integrated type rectangular area underground pipelines box culvert circularly.The common trench in multiple areas domestic at present all adopts rectangular area underground pipelines box culvert, compares with underground pipelines box culvert circularly, and breaking ground needed for rectangular area underground pipelines box culvert has, area is little, space availability ratio is high, bury the features such as soil is shallow.
There is following defect in integrated type rectangular area underground pipelines box culvert: concrete belongs to and do not fire body, but under high temperature of fire, its loss of strength is very fast, and the Duration of fire resistance of prestressed concrete floor slab is tested factually and is only 0.5 hour, during breaking out of fire, be difficult to for fire personnel provides valuable flame extinction time.Coarse aggregate (cobble, rubble) particularly in concrete raises along with temperature in a fire and volumetric expansion occurs, volumetric expansion sharply can be there is in quartzous granite 500 DEG C time, integrated type box culvert is when structure expands, because box culvert can not free expansion in transverse direction, short transverse etc., cause box culvert to produce internal stress, reinforced concrete structure crack is caved in.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of underground utility box culvert, overcome existing integrated type rectangular area underground pipelines box culvert exist in case of fire because structure expands the defect causing box culvert to cave in.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of underground utility box culvert, comprise the box culvert unit connected successively, it is characterized in that, two connect between box culvert unit and comprise fire clearance for expansion, described box culvert unit comprise the inverted U-shaped upper cement cover board cooperatively interacted, middle cement baffle, cement bottom plate and be arranged on to erect inside described upper cement cover board surface and or be arranged on described middle cement baffle and erect support of pipelines on surface;
Described upper cement cover board lower end and described cement bottom plate are in box culvert both lateral sides along the longitudinal nested arrangements of box culvert, and this nested arrangements structure A comprises the fire clearance for expansion along box culvert cross setting;
On described middle cement baffle lower end and described cement bottom plate, middle side part is along the longitudinal nested arrangements of box culvert;
Under described middle cement baffle upper end and described upper cement cover board, middle side part is along the longitudinal nested arrangements of box culvert, and this nested arrangements structure B comprises the fire clearance for expansion arranged along box culvert short transverse.
In underground utility box culvert of the present invention, described nested arrangements structure A comprises the groove be longitudinally arranged on along box culvert on described cement bottom plate, and described upper cement cover board lower end to be inserted in this groove and laterally and between the cell wall of this groove comprised fire clearance for expansion along box culvert; Or described nested arrangements structure A comprises and is longitudinally arranged on the groove of described upper cement cover board lower end along box culvert and is longitudinally arranged on the projection with this groove adaptation on described cement bottom plate along box culvert, between this projection and this groove, comprise the fire clearance for expansion along box culvert cross setting.
In underground utility box culvert of the present invention, described nested arrangements structure B comprise longitudinally be arranged on described upper cement cover board along box culvert under the groove of middle side part, described middle cement baffle upper end to be inserted in this groove and is comprised fire clearance for expansion along between box culvert short transverse and this groove; Or described nested arrangements structure B comprises the groove and the projection of middle side part and this groove adaptation under being longitudinally arranged on described upper cement cover board along box culvert that are longitudinally arranged on described middle cement baffle upper end along box culvert, comprises the fire clearance for expansion arranged along box culvert short transverse between this projection and this groove.
In underground utility box culvert of the present invention, on described middle cement baffle lower end and described cement bottom plate, middle side part comprises along the structure of the longitudinal nested arrangements of box culvert: the groove being longitudinally arranged on middle side part on described cement bottom plate along box culvert, described middle cement baffle lower end and this groove suitable; Or be arranged on the groove of described middle cement baffle lower end along box culvert is longitudinal and is longitudinally arranged on the projection of middle side part and this groove adaptation on described cement bottom plate along box culvert.
In underground utility box culvert of the present invention, comprise and be longitudinally arranged on the upside of described cement bottom plate along box culvert, be positioned at the gutter of described middle cement baffle both sides.
In underground utility box culvert of the present invention, one end of described box culvert unit comprises built-in edges, the other end comprises and embeds with this built-in edges the groove coordinated; This built-in edges comprises and is arranged on described upper cement cover board end along the outward extending chimb of upper cement cover board internal surface and be arranged on described cement bottom plate end along the outward extending chimb of cement bottom plate uper side surface, and this groove comprises and is arranged on groove that described upper cement cover board end caves inward along upper cement cover board internal surface and is arranged on the groove that described cement bottom plate end caves inward along cement bottom plate uper side surface.
In underground utility box culvert of the present invention, the rebar surface in the reinforced concrete construction of box culvert comprises the fireproof paint coating of 3 ~ 7mm.
In underground utility box culvert of the present invention, described support of pipelines comprise be arranged on to erect inside described upper cement cover board surface and or be arranged on the conduit support that described middle cement baffle erects the fixed block on surface and be connected on this fixed block, this fixed block comprises the multiple conduit support clamping positions along short transverse distribution.
Implement underground utility box culvert of the present invention, compared with the prior art, its beneficial effect is:
1, box culvert unit adopts fabricated structure, and fire clearance for expansion is set between upper cement cover board, middle cement baffle, cement bottom plate, the reinforced concrete structure crack of box culvert is caused to cave in the generation of phenomenon, for fire personnel wins the valuable fire fighting time because the coarse aggregate in concrete expands when avoiding fire;
2, box culvert unit adopts fabricated structure, and make box culvert carry elements volume little, fitting operation is simple and convenient, reduces transport and installation cost;
3, arrange fireproof paint coating at the rebar surface of reinforced concrete construction, fire rating can improve 1 ~ 2h, significant to the fire rescue of underground utility box culvert;
4, the bearing height of support of pipelines is adjustable, greatly facilitates underground pipeline layout.
Accompanying drawing explanation
Fig. 1 is a kind of viewgraph of cross-section executing example of underground utility box culvert of the present invention.
Fig. 2 is the longitdinal cross-section diagram of upper cover plate in Fig. 1, base plate.
Fig. 3 is the stereogram observed from one end of Fig. 1 embodiment.
Fig. 4 is the stereogram observed from the other end of Fig. 1 embodiment.
Fig. 5 is the partial view of Fig. 1 example belt part section.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1 and Figure 2, underground utility box culvert of the present invention comprises the box culvert unit 100, two that connects successively and connects between box culvert unit 100 and comprise fire clearance for expansion 101,102.Box culvert unit 100 comprise cooperatively interact inverted U-shaped upper cement cover board 10, middle cement baffle 20, cement bottom plate 30 and be arranged on inside cement cover board 10 setting surface and middle cement baffle 20 setting surface on support of pipelines 11 (in other embodiments, as required, the setting that support of pipelines 11 can only be arranged on inside cement cover board 10 is arranged on the setting of middle cement baffle 20 on the surface on the surface or only, can both realize the object of the invention).
The lower end of upper cement cover board 10 and cement bottom plate 30 are in the both lateral sides of box culvert along the longitudinal nested arrangements of box culvert, and this nested arrangements structure A comprises the fire clearance for expansion 32 along box culvert cross setting.In the present embodiment, nested arrangements structure A adopts following structure: longitudinally on cement bottom plate 30, arrange groove along box culvert, and upper cement cover board lower end to be inserted in this groove and laterally and between the cell wall of this groove comprised fire clearance for expansion 32 along box culvert.
In other embodiments, nested arrangements structure A can adopt following structure: longitudinally arrange groove in the lower end of upper cement cover board 10 along box culvert, along box culvert, longitudinally the projection with this groove adaptation is set on cement bottom plate 30, between this projection and this groove, comprises the fire clearance for expansion along box culvert cross setting.
The upper middle side part of middle cement baffle 20 lower end and cement bottom plate 30 is along the longitudinal nested arrangements of box culvert.In the present embodiment, this nested arrangements adopts following structure: along box culvert longitudinally on cement bottom plate middle side part groove is set, middle cement baffle lower end and this groove suitable.In other embodiments, this nested arrangements can adopt following structure: longitudinally arrange groove in middle cement baffle lower end along box culvert, along the projection of box culvert longitudinal middle side part setting and this groove adaptation on cement bottom plate.
The middle upper end of cement baffle 20 and the lower middle side part of upper cement cover board 10 are along the longitudinal nested arrangements of box culvert, and this nested arrangements structure B comprises the fire clearance for expansion arranged along box culvert short transverse.In the present embodiment, nested arrangements structure B adopts following structure: longitudinally arrange groove at the lower middle side part of upper cement cover board 10 along box culvert, and middle cement baffle upper end to be inserted in this groove and comprised fire clearance for expansion 21 along between box culvert short transverse and this groove.
In other embodiments, nested arrangements structure B can adopt following structure: longitudinally arrange groove in the upper end of middle cement baffle 20 along box culvert, longitudinally the projection with this groove adaptation is set at the lower middle side part of upper cement cover board 10 along box culvert, between this projection and this groove, comprises the fire clearance for expansion 21 arranged along box culvert short transverse.
In the present embodiment, in order to get rid of the ponding in box culvert, arrange gutter 31, this gutter 31 is longitudinally arranged on the upside of cement bottom plate 30 along box culvert, and is positioned at the both sides of middle cement baffle 20.In other embodiments, gutter 31 is not set, does not affect the realization of the basic goal of the invention of the present invention.
As shown in Figure 3, Figure 4, in the present embodiment, coordinate closely to ensure to connect between box culvert unit 100, box culvert unit 100 adopts following structure: one end of box culvert unit 100 arranges built-in edges 12, the other end arranges and embeds with this built-in edges 12 groove 13 coordinated.This built-in edges 12 be included in cement cover board 10 end along upper cement cover board internal surface stretch out arrange chimb and in cement bottom plate 30 end along cement bottom plate uper side surface stretch out arrange chimb, this groove 13 be included in cement cover board 10 end along upper cement cover board internal surface cave inward arrange groove and in cement bottom plate 30 end along cement bottom plate uper side surface cave inward arrange groove.
In the various embodiments described above, as shown in Figure 5, the fireproof paint coating that the surface application 3 ~ 7mm of the reinforcing bar 103 in the reinforced concrete construction of box culvert is thick.Testing surface, after the fireproof paint coating that box culvert reinforcing bar coating 3 ~ 7mm is thick, fire rating can improve 1 ~ 2h.Reinforcing bar in the reinforced concrete construction of box culvert does not apply fireproof paint coating, does not affect the realization of the basic goal of the invention of the present invention.
In the various embodiments described above, as shown in Figure 3, in order to adjust the setting height(from bottom) of support of pipelines, be convenient to the installation of underground utility, adopt following structure: support of pipelines 11 comprises being arranged on to erect surface inside cement cover board 10 and/or be arranged on middle cement baffle 20 to be erect fixed block on surface and be connected to the conduit support on this fixed block, and this fixed block comprises the multiple conduit support clamping positions along short transverse distribution.By the adjustment of conduit support different clamping position on fixed block, realize the adjustment of support of pipelines 11 setting height(from bottom).
Claims (9)
1. a underground utility box culvert, comprise the box culvert unit connected successively, it is characterized in that, two connect between box culvert unit and comprise fire clearance for expansion, described box culvert unit comprise the inverted U-shaped upper cement cover board cooperatively interacted, middle cement baffle, cement bottom plate and be arranged on to erect inside described upper cement cover board surface and or be arranged on described middle cement baffle and erect support of pipelines on surface;
Described upper cement cover board lower end and described cement bottom plate are in box culvert both lateral sides along the longitudinal nested arrangements of box culvert, and this nested arrangements structure A comprises the fire clearance for expansion along box culvert cross setting;
On described middle cement baffle lower end and described cement bottom plate, middle side part is along the longitudinal nested arrangements of box culvert;
Under described middle cement baffle upper end and described upper cement cover board, middle side part is along the longitudinal nested arrangements of box culvert, and this nested arrangements structure B comprises the fire clearance for expansion arranged along box culvert short transverse.
2. underground utility box culvert as claimed in claim 1, it is characterized in that, described nested arrangements structure A comprises the groove be longitudinally arranged on along box culvert on described cement bottom plate, and described upper cement cover board lower end to be inserted in this groove and laterally and between the cell wall of this groove comprised fire clearance for expansion along box culvert;
Or described nested arrangements structure A comprises and is longitudinally arranged on the groove of described upper cement cover board lower end along box culvert and is longitudinally arranged on the projection with this groove adaptation on described cement bottom plate along box culvert, between this projection and this groove, comprise the fire clearance for expansion along box culvert cross setting.
3. underground utility box culvert as claimed in claim 1, it is characterized in that, described nested arrangements structure B comprise longitudinally be arranged on described upper cement cover board along box culvert under the groove of middle side part, described middle cement baffle upper end to be inserted in this groove and is comprised fire clearance for expansion along between box culvert short transverse and this groove;
Or described nested arrangements structure B comprises the groove and the projection of middle side part and this groove adaptation under being longitudinally arranged on described upper cement cover board along box culvert that are longitudinally arranged on described middle cement baffle upper end along box culvert, comprises the fire clearance for expansion arranged along box culvert short transverse between this projection and this groove.
4. underground utility box culvert as claimed in claim 1, it is characterized in that, on described middle cement baffle lower end and described cement bottom plate, middle side part comprises along the structure of the longitudinal nested arrangements of box culvert: the groove being longitudinally arranged on middle side part on described cement bottom plate along box culvert, described middle cement baffle lower end and this groove suitable;
Or be arranged on the groove of described middle cement baffle lower end along box culvert is longitudinal and is longitudinally arranged on the projection of middle side part and this groove adaptation on described cement bottom plate along box culvert.
5. underground utility box culvert as claimed in claim 1, is characterized in that, comprises and is longitudinally arranged on the upside of described cement bottom plate along box culvert, is positioned at the gutter of described middle cement baffle both sides.
6. underground utility box culvert as claimed in claim 1, is characterized in that, one end of described box culvert unit comprises built-in edges, the other end comprises and embed with this built-in edges the groove coordinated; This built-in edges comprises and is arranged on described upper cement cover board end along the outward extending chimb of upper cement cover board internal surface and be arranged on described cement bottom plate end along the outward extending chimb of cement bottom plate uper side surface, and this groove comprises and is arranged on groove that described upper cement cover board end caves inward along upper cement cover board internal surface and is arranged on the groove that described cement bottom plate end caves inward along cement bottom plate uper side surface.
7. the underground utility box culvert as described in one of claim 1 to 6, is characterized in that, the rebar surface in the reinforced concrete construction of box culvert comprises the fireproof paint coating of 3 ~ 7mm.
8. the underground utility box culvert as described in one of claim 1 to 6, it is characterized in that, described support of pipelines comprise be arranged on to erect inside described upper cement cover board surface and or be arranged on the conduit support that described middle cement baffle erects the fixed block on surface and be connected on this fixed block, this fixed block comprises the multiple conduit support clamping positions along short transverse distribution.
9. underground utility box culvert as claimed in claim 7, it is characterized in that, described support of pipelines comprise be arranged on to erect inside described upper cement cover board surface and or be arranged on the conduit support that described middle cement baffle erects the fixed block on surface and be connected on this fixed block, this fixed block comprises the multiple conduit support clamping positions along short transverse distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410856031.7A CN104482299B (en) | 2014-12-31 | 2014-12-31 | A kind of underground utilities box culvert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410856031.7A CN104482299B (en) | 2014-12-31 | 2014-12-31 | A kind of underground utilities box culvert |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104482299A true CN104482299A (en) | 2015-04-01 |
| CN104482299B CN104482299B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410856031.7A Active CN104482299B (en) | 2014-12-31 | 2014-12-31 | A kind of underground utilities box culvert |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507346A (en) * | 2016-02-02 | 2016-04-20 | 济南汇富住宅工业有限公司 | Prefabricated underground pipe gallery |
| CN105673021A (en) * | 2016-03-28 | 2016-06-15 | 北京市政建设集团有限责任公司 | Comprehensive pipe rack of shield tunnel and construction method of comprehensive pipe rack |
| CN105782596A (en) * | 2016-04-12 | 2016-07-20 | 百盛联合建设集团有限公司 | Underground comprehensive pipeline |
| CN106320375A (en) * | 2016-10-21 | 2017-01-11 | 中国化学工程第六建设有限公司 | Prefabricated underground pipe rack and mounting method thereof |
| CN106921140A (en) * | 2017-03-31 | 2017-07-04 | 中冶南方城市建设工程技术有限公司 | Pipe gallery electric power cabin circuit sinusoidal lays rack arrangement method when right angled triangle is arranged |
| CN107191028A (en) * | 2016-12-16 | 2017-09-22 | 杭州泰思科技有限公司 | A kind of piping lane formula underground parking system and its method of construction |
| CN107489165A (en) * | 2016-06-13 | 2017-12-19 | 上海梅山钢铁股份有限公司 | A kind of modular protective method suitable for buried pipeline |
| CN107732813A (en) * | 2017-11-20 | 2018-02-23 | 江门市信通通信工程有限公司 | A kind of communications cable walks line trenches |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1353230A (en) * | 2000-11-02 | 2002-06-12 | 陈平义 | Assembled light refractory partition |
| CN201206666Y (en) * | 2008-05-22 | 2009-03-11 | 中铁十二局集团建筑安装工程有限公司 | Combination pipeline laying channel |
| CN102086634A (en) * | 2011-01-07 | 2011-06-08 | 广东省电力设计研究院 | Marine underwater assembled water intake and construction method thereof |
| JP2012067586A (en) * | 2010-08-23 | 2012-04-05 | Hokukon Co Ltd | Elastic reinforcement brace for water storage tank and elastic reinforcement structure for water storage tank using the same |
| CN202469227U (en) * | 2012-03-15 | 2012-10-03 | 孙成业 | Prefabricated reinforced concrete fabricated pipe gallery |
| CN203023633U (en) * | 2012-11-21 | 2013-06-26 | 浙江大学 | Anti-floating box culvert structure of pipeline in soft soil |
-
2014
- 2014-12-31 CN CN201410856031.7A patent/CN104482299B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1353230A (en) * | 2000-11-02 | 2002-06-12 | 陈平义 | Assembled light refractory partition |
| CN201206666Y (en) * | 2008-05-22 | 2009-03-11 | 中铁十二局集团建筑安装工程有限公司 | Combination pipeline laying channel |
| JP2012067586A (en) * | 2010-08-23 | 2012-04-05 | Hokukon Co Ltd | Elastic reinforcement brace for water storage tank and elastic reinforcement structure for water storage tank using the same |
| CN102086634A (en) * | 2011-01-07 | 2011-06-08 | 广东省电力设计研究院 | Marine underwater assembled water intake and construction method thereof |
| CN202469227U (en) * | 2012-03-15 | 2012-10-03 | 孙成业 | Prefabricated reinforced concrete fabricated pipe gallery |
| CN203023633U (en) * | 2012-11-21 | 2013-06-26 | 浙江大学 | Anti-floating box culvert structure of pipeline in soft soil |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507346A (en) * | 2016-02-02 | 2016-04-20 | 济南汇富住宅工业有限公司 | Prefabricated underground pipe gallery |
| CN105673021A (en) * | 2016-03-28 | 2016-06-15 | 北京市政建设集团有限责任公司 | Comprehensive pipe rack of shield tunnel and construction method of comprehensive pipe rack |
| CN105782596A (en) * | 2016-04-12 | 2016-07-20 | 百盛联合建设集团有限公司 | Underground comprehensive pipeline |
| CN107489165A (en) * | 2016-06-13 | 2017-12-19 | 上海梅山钢铁股份有限公司 | A kind of modular protective method suitable for buried pipeline |
| CN106320375A (en) * | 2016-10-21 | 2017-01-11 | 中国化学工程第六建设有限公司 | Prefabricated underground pipe rack and mounting method thereof |
| CN107191028A (en) * | 2016-12-16 | 2017-09-22 | 杭州泰思科技有限公司 | A kind of piping lane formula underground parking system and its method of construction |
| CN106921140A (en) * | 2017-03-31 | 2017-07-04 | 中冶南方城市建设工程技术有限公司 | Pipe gallery electric power cabin circuit sinusoidal lays rack arrangement method when right angled triangle is arranged |
| CN107732813A (en) * | 2017-11-20 | 2018-02-23 | 江门市信通通信工程有限公司 | A kind of communications cable walks line trenches |
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|---|---|
| CN104482299B (en) | 2017-01-04 |
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