CN109487812A - A kind of concrete assembled basic and its construction method of diagonal-bracing type - Google Patents
A kind of concrete assembled basic and its construction method of diagonal-bracing type Download PDFInfo
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- CN109487812A CN109487812A CN201811228597.XA CN201811228597A CN109487812A CN 109487812 A CN109487812 A CN 109487812A CN 201811228597 A CN201811228597 A CN 201811228597A CN 109487812 A CN109487812 A CN 109487812A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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Abstract
The invention discloses a kind of concrete assembled bases of diagonal-bracing type, including basic stand column, bottom lath and more bearing diagonal columns, the basic stand column is fixed on the middle position of bottom lath vertically, the upper end of bearing diagonal column is fixedly connected with the top of basic stand column, the lower end of bearing diagonal column is fixedly connected with bottom lath, and more bearing diagonal columns are evenly distributed on around basic stand column.A kind of construction method on concrete assembled basis of diagonal-bracing type is also disclosed, includes the steps that excavation of foundation pit, basis lifting and foundation pit backfill.Concrete assembled foundation structure intensity of the invention is sufficiently high, and the volume of each component is little, can reduce transport, construction, installation difficulty, improves construction efficiency, improves the use scope of assembling type base.
Description
Technical field
The present invention relates to electric power project engineering fields, and in particular to a kind of diagonal-bracing type is concrete assembled basic and its constructs
Method.
Background technique
Further to promote smart grid engineering construction ability, puts forth effort to promote the transformation of route construction mode, reinforce route and set
Meter, equipment, construction innovation are carried out transmission line of electricity overall process mechanized construction research and application, are realized from labor-intensive to dress
Standby intensive, technology-intensive type transformation.The development for promoting the mechanized construction of transmission line of electricity overall process uses assembling type base can be with
The batch production processing for realizing transmission line tower foundation, reduces live manual operation amount and flow chart, improves do mechanization operation
Degree improves construction efficiency, innovates work transmission line construction mode, promotes transmission line of electricity technical level.
Transmission line of electricity assembling type base generally uses two and more than two metal or concrete prefabricated element to pass through connection
Part on-site consolidation is composed, in the difficult area of water shortage, sandstone acquisition and using cast-in-place concrete basis difficulty
There is wide application prospect in line project.Currently, transmission line of electricity assembling type base pattern is varied, including concrete assembly
Formula basis, fashioned iron assembling type base, concrete slab and shape steel bracket assembling type base, steel reinforced concrete spread foundation etc..It adopts
With fashioned iron basis narrow scope of application, the resistance to corrosion of fashioned iron is weaker, shallower or soil corrosivity is strong in Groundwater buried depth
Area be not suitable for using, previous this kind of foundation pattern was mainly used in desert, Gobi Region.
In order to expand the use scope of assembling type base, the weakness of the antiseptic property difference of metal material, assembled base are overcome
The material of plinth generally uses Reinforced Concrete Materials.Previous steel reinforced concrete assembling basis broad form by unsplit bed(-)plate and
Basic stand column composition, each construction weight is heavier, and transport, the difficulty of assembly are higher, is not easy to batch machining.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of diagonal-bracing type it is concrete assembled basis and its construction method,
Transport, construction, installation difficulty are reduced, construction efficiency is improved, improves the use scope of assembling type base.
The technical proposal for solving the technical problem of the invention is: a kind of concrete assembled basis of diagonal-bracing type, including
Basic stand column, bottom lath and more bearing diagonal columns, the basic stand column are fixed on the middle position of bottom lath vertically, tiltedly
The upper end of support column is fixedly connected with the top of basic stand column, and the lower end of bearing diagonal column is fixedly connected with bottom lath, and more
Bearing diagonal column is evenly distributed on around basic stand column.
Further, the bottom lath includes muti-piece unit slat, and muti-piece unit slat is by more perpendicular to unit
The connecting cross beam of lath holds together, and the lower end of described bearing diagonal column is connected with connecting cross beam, the lower end of basic stand column
It is connected with connecting cross beam.
Further, in the junction of bearing diagonal column and connecting cross beam, the bottom of the bearing diagonal column, connecting cross beam and
Unit slat is connected by the first bolt；In the junction of basic stand column and connecting cross beam, the basic stand column, connecting cross beam with
And unit slat is connected by the second bolt, in the other positions of connecting cross beam, connecting cross beam and unit slat pass through third spiral shell
Bolt is connected.
Further, the upper end of the bearing diagonal column is connected by the top of the 4th bolt and basic stand column.
Further, the basic stand column, bottom lath and bearing diagonal column are prefabricated reinforced concrete structure.
Further, the horizontal cross-section of the basic stand column is square, and the diagonal line of the square section and bottom
The length direction or width direction of lath are consistent, the bearing diagonal column be 4, and the upper end of 4 bearing diagonal columns respectively with base
Four sides of plinth column are connected, and the projection of bearing diagonal column in the horizontal plane is perpendicular to coupled basic stand column side
Face；The connecting cross beam be 3, intermediate connecting cross beam is connected with basic stand column, the connecting cross beam on both sides and respectively with two
Bearing diagonal column is connected.
The construction method on the above-mentioned concrete assembled basis of diagonal-bracing type, comprising the following steps:
A, basis manufacture
Basic stand column, bottom lath, root bearing diagonal column and connecting cross beam are poured according to drawing size, by second when pouring
Bolt embedment is in the bottom of basic stand column, by the bolt embedment for being used to be connected with power transmission tower tower leg at the top of basic stand column；
B, excavation of foundation pit
C, basis lifting
C1, by each unit lath and be located in the middle connecting cross beam and be hung to Foundation Pit bottom, by each unit lath and in
Between connecting cross beam put according to construction drawing, and the first bolt and third bolt are passed through in unit slat and intermediate connecting cross beam
Corresponding connecting hole；
C2, basic stand column is lifted to Foundation Pit bottom, when lifting adjusts the position of basic stand column, keeps basic stand column bottom pre-
The second bolt buried and unit slat and the corresponding connection hole site of intermediate connecting cross beam are corresponding, in the process of decentralization basic stand column
In, the second bolt passes through the connecting hole of unit slat and connecting cross beam, then tightens the nut of the second bolt；
C3, the connecting cross beam for being located at two sides is hung to Foundation Pit bottom, when lifting adjusts the position of two sides connecting cross beam, makes two
Connection through-hole on the connecting cross beam of side is corresponding with the position of the first bolt, third bolt, during transferring connecting cross beam, the
One bolt, third bolt pass through the connecting hole on connecting cross beam, then tighten the nut of third bolt；
C4, bearing diagonal column is lifted to Foundation Pit bottom, when lifting adjusts the position of bearing diagonal column, makes bearing diagonal column bottom
Connecting hole is corresponding with the position of the first bolt, and during transferring bearing diagonal column, the first bolt passes through bearing diagonal column bottom
Then connecting hole tightens the nut of the first bolt, finally using the 4th bolt by the upper of the top of bearing diagonal column and basic stand column
Portion connects；
D, foundation pit backfills.
Further, in step B, before excavation, building site flood control and drainage measure are carried out；When excavation, connect according to drawing requirement
It is continuous to excavate, until foundation pit forms, when side slope shakiness, slow down grade of side slope or setting support.
Further, step C is carried out after step B is completed immediately.
Further, in step B, after foundation pit excavates, behaviour is carried out to Foundation Pit bottom and is put down, kept hole bottom substantially smooth, then spread
Upper thickness is in the coarse sand or fine stone bed course of 40mm or more, then multiple spot behaviour is flat, makes entirely to cheat bottom smooth.
Compared with prior art, the beneficial effects of the present invention are: concrete assembled foundation structure system of the invention is new
Grain husk, each member stress of structure is reasonable, compared with traditional excavation class basis, can effectively save concrete, and the volume of each component
Less, transport, construction, installation difficulty can be reduced, construction efficiency is improved, improves the use scope of assembling type base.
Detailed description of the invention
Fig. 1 is schematic front view of the invention.
Fig. 2 is schematic top plan view of the invention.
Fig. 3 is construction schematic diagram of the invention.
Appended drawing reference: 1-basic stand column；2-bottom laths；3-bearing diagonal columns；4-connecting cross beams；5-the first bolt；
6-the second bolt；7-third bolts；8-the four bolt.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
The concrete assembled basis of a kind of diagonal-bracing type of the invention, as depicted in figs. 1 and 2, including basic stand column 1, bottom
Lath 2 and more bearing diagonal columns 3, basic stand column 1, bottom lath 2 and bearing diagonal column 3 are prefabricated reinforced concrete knot
Structure, and the cross section (i.e. perpendicular to the section of its length direction) of basic stand column 1, bottom lath 2 and bearing diagonal column 3 is in square
Shape facilitates the large-scale production of factory.The basic stand column 1 is fixed on the middle position of bottom lath 2, bearing diagonal column 3 vertically
Upper end be fixedly connected with the top of basic stand column 1, the lower end of bearing diagonal column 3 is fixedly connected with bottom lath 2, and more tiltedly branch
Dagger 3 is evenly distributed on around basic stand column 1, ensure that load is transferred uniformly into bottom plate by each bearing diagonal column 3
Item 2 improves the stability of basic stand column 1.
Specifically, the horizontal cross-section of basic stand column 1 is square, and the diagonal line of the square section and bottom lath 2
Length direction or width direction it is consistent, the bearing diagonal column 3 be 4, and the upper end of 4 bearing diagonal columns 3 respectively with basis
Four sides of column 1 are connected, and the projection of bearing diagonal column 3 in the horizontal plane is perpendicular to coupled 1 side of basic stand column
Face.The support strength of this structure is high, and bearing capacity is strong, and after construction, basic stand column 1 bears the weight of steel tower, and load passes through base
Plinth column 1 and bearing diagonal column 3 are transferred to bottom lath 2, are then transferred to ground by bottom lath 2, can guarantee enough branch
Ability is held, the stability of support is improved.
The bottom lath 2 includes muti-piece unit slat, and muti-piece unit slat passes through the more companies perpendicular to unit slat
It connects crossbeam 4 to hold together, connecting cross beam 4 is connected perpendicular to unit slat and with whole unit slats, connecting cross beam 4
Also prefabricated reinforced concrete structure is used, the lower end of described bearing diagonal column 3 is connected with connecting cross beam 4, the lower end of basic stand column 1
Also it is connected with connecting cross beam 4.The width of muti-piece unit slat can be inconsistent, and there are certain between adjacent two module units lath
Material is saved to reduce the quantity of unit slat in gap.Bottom lath 2 is divided for muti-piece unit slat, the body of unit slat
Long-pending and weight is smaller, more convenient transport, manufacture, construction and assembling, is connected as between each unit lath by connecting cross beam 4
The load that one entirety, the stabilization of guarantee each unit lath, and bearing diagonal column 3 are subject to is transferred to each by connecting cross beam 4
Unit slat, so that the stress of each unit lath is relatively uniform.Specifically, the connecting cross beam 4 is 3, intermediate connection
Crossbeam 4 is connected with basic stand column 1, the connecting cross beam 4 on both sides be connected respectively with two bearing diagonal columns 3.Bearing diagonal column 3 is 4,
Every connecting cross beam 4 bears the load of two bearing diagonal columns 3, ensure that being uniformly distributed for load.
In the junction of bearing diagonal column 3 and connecting cross beam 4, bottom, connecting cross beam 4 and the unit of the bearing diagonal column 3
Lath is connected by the first bolt 5；In the junction of basic stand column 1 and connecting cross beam 4, the basic stand column 1, connecting cross beam 4
And unit slat is connected by the second bolt 6, in the other positions of connecting cross beam 4, connecting cross beam 4 and unit slat pass through the
Three bolts 7 are connected.The upper end of the bearing diagonal column 3 is connect by the 4th bolt 8 with the top of basic stand column 1.Connected using bolt
Connecing various pieces can be improved assembled efficiency, and construction cost is low, and bolt is removable connector, and connection can facilitate when malfunctioning
It corrects.
Situation after present invention construction is as shown in figure 3, main construction procedure includes:
A, basis manufacture
Basic stand column 1, bottom lath 2, root bearing diagonal column 3 and connecting cross beam 4 are poured according to drawing size, it will when pouring
Second bolt 6 is embedded in the bottom of basic stand column 1, by the bolt embedment for being used to be connected with power transmission tower tower leg in basic stand column 1
Top.The pre-buried setting of second bolt 6 can reinforce the bonding strength with basic stand column 1, convenient for subsequent while improving stability
Assembly.In addition, pouring basic stand column 1, bottom lath 2, root bearing diagonal column 3 and connecting cross beam 4, reserves and passed through for bolt
Connecting hole, to guarantee subsequent assembly.
B, excavation of foundation pit
Before excavation, building site flood control and drainage measure are carried out.The drainage trenching such as around foundation pit.
It when excavation, continuously excavates according to drawing requirement, that is, not interrupted during excavating, until foundation pit molding, to the greatest extent may be used
It can be completed in a relatively short time the excavation of foundation pit, first is that improving construction efficiency, second is that reducing the exposure duration of foundation pit, prevented down
Foundation pit is avoided bearing capacity from reducing by rain drop erosion and immersion when rain.
It is noted that stability of slope can slow down grade of side slope or setting support when side slope shakiness during excavation,
It prevents slope and land slide and causes safety accident.
After foundation pit excavates, behaviour is carried out to Foundation Pit bottom and is put down, kept hole bottom substantially smooth, then spread thickness 40mm's or more
Coarse sand or fine stone bed course, then multiple spot behaviour are flat, and the position of out-of-flatness everywhere is flattened, and make entirely to cheat bottom smooth.Cheat the soil at bottom
It is relatively soft, it is easily deformed, causes basis not stable enough, therefore, laying depth is generally the coarse sand of 50mm on the soil at hole bottom
Or fine stone, buffer function is played, can be improved the stability on basis.
Lifting step in basis is carried out after the completion of above-mentioned steps immediately, process interval is reduced, shortens foundation pit exposure duration.
C, basis lifting
The present invention is provided with muti-piece connecting cross beam 4, and centre has one piece of connecting cross beam 4 to be used to support basic stand column 1, preferably adopts
With 3 pieces of connecting cross beams 4, it is located in the middle connecting cross beam 4, i.e., intermediate connecting cross beam 4 is connected with basic stand column 1, connects positioned at centre
The two sides connecting cross beam 4 for connecing 4 two sides of crossbeam is connected with bearing diagonal column 3.Specific work progress are as follows:
C1, by each unit lath and be located in the middle connecting cross beam 4 and be hung to Foundation Pit bottom, by each unit lath and in
Between connecting cross beam 4 put according to construction drawing, and the first bolt 5 and third bolt 7 are passed through into unit slat and intermediate connection is horizontal
Corresponding connecting hole on beam 4；
C2, by the lifting of basic stand column 1 to Foundation Pit bottom, when lifting, adjusts the position of basic stand column 1, makes 1 bottom of basic stand column
The second pre-buried bolt 6 of portion is corresponding with unit slat and the intermediate corresponding connection hole site of connecting cross beam 4, in decentralization basic stand column
During 1, the second bolt 6 passes through the connecting hole of unit slat and connecting cross beam 4, then tightens the nut of the second bolt 6；
C3, the connecting cross beam 4 for being located at two sides is hung to Foundation Pit bottom, when lifting adjusts the position of two sides connecting cross beam 4, makes
Connection through-hole on two sides connecting cross beam 4 is corresponding with the first bolt 5, the position of third bolt 7, in the mistake of decentralization connecting cross beam 4
Cheng Zhong, the first bolt 5, third bolt 7 pass through the connecting hole on connecting cross beam 4, then tighten the nut of third bolt 7；
C4, by the lifting of bearing diagonal column 3 to Foundation Pit bottom, when lifting, adjusts the position of bearing diagonal column 3, makes 3 bottom of bearing diagonal column
The connecting hole in portion is corresponding with the position of the first bolt 5, and during transferring bearing diagonal column 3, the first bolt 5 passes through bearing diagonal column
Then the connecting hole of 3 bottoms tightens the nut of the first bolt 5, finally utilize the 4th bolt 8 by the top of bearing diagonal column 3 and base
The top of plinth column 1 connects.
Transport completes the assembling on basis, Neng Gouti to construction site while construction after each section on basis processes
High whole construction efficiency, and reduce difficulty of construction.And construct according to above-mentioned steps, it can guarantee the bonding strength of each component,
Reduce difficulty of construction.
C, foundation pit backfills
Foundation pit backfill when using set up one layer of beam and backfill one layer it is native by the way of, backfill should be rammed according to every backfill 300mm
Real primary, the backfill physical parameter after compacting should reach design requirement.The tower position urgent to the duration, foundation pit, which is backfilling and compacted, to be finished
Pylon line can be found, otherwise needs to stand basis 1 week or so and founds pylon line again.
Compared with prior art, the present invention top concrete column, inclined support structure are combined with lower part concrete slab
Completely new foundation structure system is formed, the architecture Path of Force Transfer is clear, and each member stress of structure is reasonable.Each component is rule
Solid then, production easy to process, while being easy to in-site installation.
Claims (10)
1. a kind of concrete assembled basis of diagonal-bracing type, which is characterized in that including basic stand column (1), bottom lath (2) and more
Root bearing diagonal column (3), the basic stand column (1) are fixed on the middle positions of bottom lath (2) vertically, bearing diagonal column (3) it is upper
End is fixedly connected with the top of basic stand column (1), and the lower end of bearing diagonal column (3) is fixedly connected with bottom lath (2), and more oblique
Support column (3) is evenly distributed on around basic stand column (1).
2. the concrete assembled basis of a kind of diagonal-bracing type according to claim 1, which is characterized in that the bottom lath
(2) include muti-piece unit slat, muti-piece unit slat by the more connecting cross beams (4) perpendicular to unit slat be linked as one it is whole
The lower end of body, described bearing diagonal column (3) is connected with connecting cross beam (4), lower end and connecting cross beam (4) phase of basic stand column (1)
Even.
3. the concrete assembled basis of a kind of diagonal-bracing type according to claim 2, which is characterized in that in bearing diagonal column (3)
With the junction of connecting cross beam (4), bottom, connecting cross beam (4) and the unit slat of the bearing diagonal column (3) pass through the first spiral shell
Bolt (5) is connected；In the junction of basic stand column (1) and connecting cross beam (4), the basic stand column (1), connecting cross beam (4) and
Unit slat is connected by the second bolt (6), and the other positions in connecting cross beam (4), connecting cross beam (4) passes through with unit slat
Third bolt (7) is connected.
4. the concrete assembled basis of a kind of diagonal-bracing type according to claim 1, which is characterized in that the bearing diagonal column
(3) upper end is connect by the 4th bolt (8) with the top of basic stand column (1).
5. the concrete assembled basis of a kind of diagonal-bracing type according to claim 1, which is characterized in that the basic stand column
(1), bottom lath (2) and bearing diagonal column (3) are prefabricated reinforced concrete structure.
6. the concrete assembled basis of a kind of diagonal-bracing type according to claim 2, which is characterized in that the basic stand column
(1) horizontal cross-section is square, and the length direction or width side of the diagonal line of the square section and bottom lath (2)
To consistent, the bearing diagonal column (3) is 4, and the upper end of 4 bearing diagonal columns (3) respectively with four sides of basic stand column (1)
It is connected, and the projection of bearing diagonal column (3) in the horizontal plane is perpendicular to coupled basic stand column (1) side；The connection
Crossbeam (4) be 3, intermediate connecting cross beam (4) is connected with basic stand column (1), the connecting cross beam (4) on both sides and respectively with two
Bearing diagonal column (3) is connected.
7. the construction method on the concrete assembled basis of the diagonal-bracing type as described in claim 1 to 6, which is characterized in that including following
Step:
A, basis manufacture
Basic stand column (1), bottom lath (2), root bearing diagonal column (3) and connecting cross beam (4) are poured according to drawing size, is poured
When the second bolt (6) is embedded in the bottom of basic stand column (1), by the bolt embedment for being used to be connected with power transmission tower tower leg on basis
The top of column (1)；
B, excavation of foundation pit
C, basis lifting
C1, it by each unit lath and is located in the middle connecting cross beam (4) and is hung to Foundation Pit bottom, by each unit lath and centre
Connecting cross beam (4) is put according to construction drawing, and the first bolt (5) and third bolt (7) are connected across unit slat and centre
Connect corresponding connecting hole on crossbeam (4)；
C2, by basic stand column (1) lifting to Foundation Pit bottom, when lifting, adjusts the position of basic stand column (1), makes basic stand column (1)
Pre-buried the second bolt (6) in bottom is corresponding with unit slat and the corresponding connection hole site of intermediate connecting cross beam (4), in decentralization base
During plinth column (1), the second bolt (6) passes through the connecting hole of unit slat and connecting cross beam (4), then tightens the second spiral shell
The nut of bolt (6)；
C3, the connecting cross beam (4) for being located at two sides is hung to Foundation Pit bottom, when lifting adjusts the position of two sides connecting cross beam (4), makes
Connection through-hole on two sides connecting cross beam (4) is corresponding with the position of the first bolt (5), third bolt (7), in decentralization connecting cross beam
(4) during, the first bolt (5), third bolt (7) pass through the connecting hole on connecting cross beam (4), then tighten third bolt
(7) nut；
C4, by bearing diagonal column (3) lifting to Foundation Pit bottom, when lifting, adjusts the position of bearing diagonal column (3), makes bearing diagonal column (3)
The connecting hole of bottom is corresponding with the position of the first bolt (5), and during transferring bearing diagonal column (3), the first bolt (5) is passed through
The connecting hole of bearing diagonal column (3) bottom, then tightens the nut of the first bolt (5), finally utilizes the 4th bolt (8) by bearing diagonal
The top of column (3) and the top of basic stand column (1) connect；
D, foundation pit backfills.
8. the construction method on the concrete assembled basis of diagonal-bracing type according to claim 7, which is characterized in that in step B,
Before excavation, building site flood control and drainage measure are carried out；It when excavation, is continuously excavated according to drawing requirement, until foundation pit molding, works as side slope
When unstable, slow down grade of side slope or setting support.
9. the construction method on the concrete assembled basis of diagonal-bracing type according to claim 7, which is characterized in that step B is complete
At later immediately carry out step C.
10. the construction method on the concrete assembled basis of diagonal-bracing type according to claim 7, which is characterized in that step B
In, after foundation pit excavates, behaviour is carried out to Foundation Pit bottom and is put down, kept hole bottom substantially smooth, then spread thickness in the coarse sand of 40mm or more
Or fine stone bed course, then multiple spot behaviour is flat, makes entirely to cheat bottom smooth.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109914461A (en) * | 2019-04-01 | 2019-06-21 | 四川电力设计咨询有限责任公司 | Suitable for electric power pylon band chuck column-lath assembling type base and construction method |
| CN110130386A (en) * | 2019-04-04 | 2019-08-16 | 河北汉光重工有限责任公司 | A kind of small-sized interim steel building ground |
| CN110714476A (en) * | 2019-11-13 | 2020-01-21 | 湖北省电力勘测设计院有限公司 | Assembled transmission line shaft tower basis |
| CN111485573A (en) * | 2020-03-19 | 2020-08-04 | 衡水衡源电力建设有限责任公司 | Transmission project prefabricated foundation installation and iron tower assembly coherent construction method |
| CN114457836A (en) * | 2022-01-25 | 2022-05-10 | 国家电网有限公司 | Transmission line embedded type truss bearing platform anchor rod foundation |
| CN115404901A (en) * | 2022-08-01 | 2022-11-29 | 中建交通建设集团有限公司 | Assembly type slurry mixing station foundation and construction method |
| CN115506606A (en) * | 2022-10-28 | 2022-12-23 | 中国二十二冶集团有限公司 | Construction method for central steel column of high formwork of tubular structure |
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| CN109914461A (en) * | 2019-04-01 | 2019-06-21 | 四川电力设计咨询有限责任公司 | Suitable for electric power pylon band chuck column-lath assembling type base and construction method |
| CN110130386A (en) * | 2019-04-04 | 2019-08-16 | 河北汉光重工有限责任公司 | A kind of small-sized interim steel building ground |
| CN110714476A (en) * | 2019-11-13 | 2020-01-21 | 湖北省电力勘测设计院有限公司 | Assembled transmission line shaft tower basis |
| CN110714476B (en) * | 2019-11-13 | 2024-04-19 | 湖北省电力勘测设计院有限公司 | Assembled transmission line shaft tower basis |
| CN111485573A (en) * | 2020-03-19 | 2020-08-04 | 衡水衡源电力建设有限责任公司 | Transmission project prefabricated foundation installation and iron tower assembly coherent construction method |
| CN114457836A (en) * | 2022-01-25 | 2022-05-10 | 国家电网有限公司 | Transmission line embedded type truss bearing platform anchor rod foundation |
| CN115404901A (en) * | 2022-08-01 | 2022-11-29 | 中建交通建设集团有限公司 | Assembly type slurry mixing station foundation and construction method |
| CN115404901B (en) * | 2022-08-01 | 2023-05-09 | 中建交通建设集团有限公司 | Assembled slurry stirring station foundation and construction method |
| CN115506606A (en) * | 2022-10-28 | 2022-12-23 | 中国二十二冶集团有限公司 | Construction method for central steel column of high formwork of tubular structure |
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