CN103711143A - Foundation reinforcing and connecting joint of floating-transport-type water diversion box culvert and construction method - Google Patents
Foundation reinforcing and connecting joint of floating-transport-type water diversion box culvert and construction method Download PDFInfo
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- CN103711143A CN103711143A CN201310622693.3A CN201310622693A CN103711143A CN 103711143 A CN103711143 A CN 103711143A CN 201310622693 A CN201310622693 A CN 201310622693A CN 103711143 A CN103711143 A CN 103711143A
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- box culvert
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Abstract
Disclosed are a foundation reinforcing and connecting joint of a floating-transport-type water diversion box culvert and a construction method. The foundation reinforcing and connecting joint comprises a foundation, at a joint of water diversion box culverts, which is reinforced by adopting two rock-embedded piles, a connecting beam is arranged between the two rock-embedded piles, pile caps are arranged at two ends of the connecting beam and embedded in pile heads of the rock-embedded piles, and two sections of the water diversion box culverts with P-type rubber waterstops at one ends are mutually spliced at the connecting beam to form a splicing joint. The construction method includes a, performing reinforcing treatment on the foundation at the joint of the water diversion box culverts by adopting the two rock-embedded piles; b, completing manufacturing of the connecting beam with the pile caps arranged at the two ends in a land area; c, manufacturing the water diversion box culverts with the P-type waterstops arranged at one ends in the land area, floating-transporting the water diversion box culverts in place and lowering, and splicing with the other section of the box culvert at the connecting beam; d, arranging nagged concrete on two sides or on the top surface of the joint of the water diversion box culverts; e, dumping protecting blocky stone at a water diversion box culvert foundation area to solve the problem of scouring.
Description
Technical field
What the present invention relates to is a kind of ground stabilization and jointing and construction method at complex environment coastal power plant transportation by driving formula diversion box culvert, belongs to power generation plant technology field.
Background technology
Deposits in Eastern Coastal China economic development is at present rapid, and power demand is large, the requirement improving in order to meet this area economic development and people's living standard, and country often needs every year to drop into huge fund and is used for building large-size thermal power plant.Large-size thermal power plant addressing should take into full account convenience and the economy of Coal Transport, taking and discharging, also should consider to save the factors such as soil and environmental protection simultaneously.Therefore numerous large-size thermal power plants are generally arranged in seashore.Seashore power plant generally adopts once-though cooling mode, by water-fetching head being set and diversion box culvert form is fetched water from deep trouth.Described diversion box culvert sectional making, transportation by driving is installed to on-the-spot.The jointing method that at present conventional diversion box culvert connects has two kinds, and a kind of is spigot-and-socket joint, and a kind of is overlapping joint.The former makes, and error is little, and installation difficulty is large, high to foundation requirement, and installation operational effect is good; The latter puts diversion box culvert sinking in place, and jail is leaned in alignment, simple installation, but construction error is large, easily forms tube coupling dislocation or off normal, causes and leaks, the even engineering inefficacy of impact water intaking effect.The situation severe in construction environment and geological condition is poor, the first jointing method difficulty of construction is excessive, and construction costs is high.The second joint is because environment is severe, and construction error can be very large, is difficult to guarantee operational effect.
The certain power plant in Zhejiang diversion box culvert of take is example, waters of living in is marine outfall, Qiantang River briny environment, complex geologic conditions (the weak mud in top, rock stratum, the bottom end face gradient is precipitous), it is very large that construction is subject to Qiantang River tidal bore function influence, needs the factor of consideration very complicated.Design suitable diversion box culvert joint form and form of construction work, no matter to engineering, to meet that design water intaking requires, safety of structure requirement, or construction enforcement smoothly, construction quality and construction speed can be guaranteed, construction costs can controlledly be all very important.Under this complex environment in the urgent need to seeking suitable diversion box culvert ground stabilization and joint and construction method.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, and provide safe and reliable under a kind of complex environment, facilitate ground stabilization and joint and the construction method of installation of feasible coastal power plant transportation by driving formula diversion box culvert, to complete the installation of transportation by driving formula diversion box culvert, meet engineering construction schedule requirement and service requirement, reduce construction costs.
The present invention completes by following technical solution: ground stabilization and the jointing of described coastal power plant transportation by driving formula diversion box culvert, it comprises that two piles set into rock of an employing carry out the diversion box culvert joint ground of consolidation process, between two described piles set into rock, be provided with a coupling beam, two of coupling beam is provided with pile cover, and described pile cover is embedded in the pile crown of piles set into rock; Two sections each be at one end provided with P type rubber water-proof diversion box culvert, mutually at coupling beam place, is spliced to form joints.
The both sides, joint of described diversion box culvert and end face are provided with for guaranteeing the mold-bagged concrete of joint tighness; The foundation region of described diversion box culvert has protection piece stone by digging up and filling in.
Ground stabilization and the jointing construction method of coastal power plant transportation by driving formula diversion box culvert of the present invention, the method is taked following steps:
A: according to diversion box culvert actual conditions, adopt two piles set into rock to carry out consolidation process to diversion box culvert joint ground.Ground excavates after finishing dealing with as required;
B: complete and be installed on two coupling beams between piles set into rock at land-based area, two of described coupling beam is provided with pile cover, and transportation by driving puts in place to on-the-spot sinking, is embedded in the pile cover of coupling beam the pile crown of two piles set into rock;
C: diversion box culvert is made at land-based area, described diversion box culvert one end is provided with P type rubber fastening band, described diversion box culvert transportation by driving put in place and sinking with another section of box culvert in the splicing of coupling beam place, formation joint;
D: both sides, joint and end face at diversion box culvert are established mold-bagged concrete to guarantee the sealing of joint;
E: diversion box culvert foundation region fill block stone throwing is to solve the problem of washing away.
Compared with prior art, advantage of the present invention is: difficulty of construction is little, and the construction period is short, and engineering operation is reliable, and cost is reasonable.Under and complex environment that geological condition is poor severe in construction environment, take this technology, solved the difficult problem that the ground stabilization of diversion box culvert and joint are processed.According to this programme, diversion box culvert and coupling beam land-based area are made, floating and sinking, reduced Underwater Engineering amount, and diversion box culvert and coupling beam sinking do not need too high precision, have reduced difficulty of construction, guaranteed can complete smoothly the sinking of diversion box culvert and coupling beam under adverse circumstances.Mold-bagged concrete underwater grouting had both guaranteed the sealing that diversion box culvert connects, and made again easy construction feasible.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
The specific embodiment
In connection with accompanying drawing, the present invention will be described in detail in the present invention: as shown in Figure 1, 2, ground stabilization and the jointing of coastal power plant transportation by driving formula diversion box culvert of the present invention, it comprises that two piles set into rock 1 of employing carry out the diversion box culvert joint ground 2 of consolidation process; The cushion cap coupling beam 3 that connects described castinplace pile 1 with pile cover 8; Two sections of each diversion box culverts 4 that are at one end provided with P type rubber fastening band are spliced to form joints in cushion cap coupling beam 3; The both sides, joint of described diversion box culvert and end face are provided with for guaranteeing the mold-bagged concrete 5 of joint tighness; The foundation region throwing of described diversion box culvert has protection piece stone 6.
Ground stabilization and the jointing construction method of coastal power plant transportation by driving formula diversion box culvert of the present invention, the method is taked following steps:
A: according to diversion box culvert actual conditions, adopt two piles set into rock to carry out consolidation process to diversion box culvert joint ground.Ground excavates after finishing dealing with as required;
B: complete and be installed on two coupling beams between piles set into rock at land-based area, two of described coupling beam is provided with pile cover, and transportation by driving puts in place to on-the-spot sinking, is embedded in the pile cover of coupling beam the pile crown of two piles set into rock;
C: diversion box culvert is made at land-based area, diversion box culvert one end is provided with P type rubber fastening band 7, diversion box culvert transportation by driving put in place and sinking with another section of box culvert in the splicing of coupling beam place, formation joint;
D: both sides, joint and end face at diversion box culvert are established mold-bagged concrete to guarantee the sealing of joint;
E: diversion box culvert foundation region fill block stone throwing is to solve the problem of washing away.
Embodiment:
Certain power plant in Zhejiang the third stage of the project is usingd Seawater of Hangzhou Bay as circulating cooling water source.Hangzhou Wan is strong tidal sea world-famous gulf.At the incoming tide, tidal wave imports into from off-lying sea, has two bursts of trends to the east of the mouth of Kingsoft, and rise and rise with northeast in the southeast, to the north of five dishes, crosses, and Ganpu directly becomes along Hangzhou Wan north side.During ebb tide, marine site, the Hangzhou Wan southeast first falls, and impels Hangzhou Wan fluctuation tide main shaft for consistent.General flood strength is large, and half tide mean flow rate is 1.16m/s, and actual measurement Peak Flow Rate reaches 2.45m/s.The point bar in six li of gulfs has respectively suitable, a counterclockwise backflow to occur in flood tide intermediary and later stages and ebb tide later stage.Top, stratum, diversion box culvert position is mud, and bottom is rock stratum, and the rock stratum face gradient is precipitous, and the gradient is greater than 60 °.It is very large that the construction of diversion box culvert is subject to Qiantang River tidal bore function influence, and foundation condition is complicated.For guaranteeing that diversion box culvert ground stabilization and joint are processed to construct, complete smoothly, take the specific embodiment as follows:
The first step: according to diversion box culvert actual conditions, rational piles set into rock is set and carries out ground stabilization.Ground excavates after finishing dealing with as required.
Second step: piles set into rock coupling beam is made at land-based area, pile cover is established at two of coupling beam, and transportation by driving puts in place to on-the-spot sinking, and pile crown is embedded in the pile cover of coupling beam.
The 3rd step: diversion box culvert is made at land-based area, P type rubber fastening band is established in diversion box culvert one end, and diversion box culvert transportation by driving puts in place and sinking saves box culvert with another and splices at coupling beam place.
The 4th step: in both sides, diversion box culvert joint and end face establish mold-bagged concrete to guarantee the sealing of joint.
The 5th step: diversion box culvert foundation region fill block stone throwing is to solve the problem of washing away.
According to this programme, under adverse circumstances, can complete smoothly the installation of diversion box culvert, meet engineering construction schedule requirement and service requirement, reduce construction costs.
Claims (3)
1. ground stabilization and the jointing of a transportation by driving formula diversion box culvert, it comprises that two piles set into rock of an employing carry out the diversion box culvert joint ground of consolidation process, between two described piles set into rock, be provided with a coupling beam, two of coupling beam is provided with pile cover, and described pile cover is embedded in the pile crown of piles set into rock; Two sections each be at one end provided with the diversion box culvert of P type rubber fastening band, mutually at coupling beam place, is spliced to form joints.
2. ground stabilization and the jointing of transportation by driving formula diversion box culvert according to claim 1, is characterized in that the both sides, joint of described diversion box culvert and end face are provided with for guaranteeing the mold-bagged concrete of joint tighness; The foundation region throwing of described diversion box culvert has protection piece stone.
3. for the ground stabilization of transportation by driving formula diversion box culvert and a construction method for jointing described in claim 1 or 2, the method is taked following steps:
A: according to diversion box culvert actual conditions, adopt two piles set into rock to carry out consolidation process to diversion box culvert joint ground; Ground excavates after finishing dealing with as required;
B: complete and be installed on two coupling beams between piles set into rock at land-based area, two of described coupling beam is provided with pile cover, and transportation by driving puts in place to on-the-spot sinking, is embedded in the pile cover of coupling beam the pile crown of two piles set into rock;
C: diversion box culvert is made at land-based area, diversion box culvert one end is provided with P type rubber fastening band, diversion box culvert transportation by driving put in place and sinking with another section of box culvert in the splicing of coupling beam place, formation joint;
D: both sides, joint and end face at diversion box culvert are established mold-bagged concrete to guarantee the sealing of joint;
E: diversion box culvert foundation region throwing protection piece stone is to solve the problem of washing away.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310622693.3A CN103711143B (en) | 2013-11-30 | 2013-11-30 | The jointing of a kind of transportation by driving formula diversion box culvert ground stabilization and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310622693.3A CN103711143B (en) | 2013-11-30 | 2013-11-30 | The jointing of a kind of transportation by driving formula diversion box culvert ground stabilization and construction method |
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| CN103711143A true CN103711143A (en) | 2014-04-09 |
| CN103711143B CN103711143B (en) | 2016-01-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106088142A (en) * | 2016-07-22 | 2016-11-09 | 福建省建筑设计研究院 | A kind of prefabricated assembled pipeline foundation and assembly method thereof |
| CN109667288A (en) * | 2019-02-14 | 2019-04-23 | 国电蓬莱发电有限公司 | To the restorative procedure and structure of the water intaking box culvert seam in deep water under river channels |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2011220108A (en) * | 2011-07-06 | 2011-11-04 | Railway Technical Research Institute | Embankment construction method on soft ground and embankment structure thereof |
| GB2497274A (en) * | 2011-11-24 | 2013-06-12 | Aspin Foundations Ltd | Vehicle station platform system |
| CN203296057U (en) * | 2013-05-17 | 2013-11-20 | 广州市市政集团有限公司 | Pile-cap-beam composite foundation |
| CN203684270U (en) * | 2013-11-30 | 2014-07-02 | 浙江省电力设计院 | Foundation reinforcing and connecting connector of floating type water diversion box culvert |
-
2013
- 2013-11-30 CN CN201310622693.3A patent/CN103711143B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2011220108A (en) * | 2011-07-06 | 2011-11-04 | Railway Technical Research Institute | Embankment construction method on soft ground and embankment structure thereof |
| GB2497274A (en) * | 2011-11-24 | 2013-06-12 | Aspin Foundations Ltd | Vehicle station platform system |
| CN203296057U (en) * | 2013-05-17 | 2013-11-20 | 广州市市政集团有限公司 | Pile-cap-beam composite foundation |
| CN203684270U (en) * | 2013-11-30 | 2014-07-02 | 浙江省电力设计院 | Foundation reinforcing and connecting connector of floating type water diversion box culvert |
Non-Patent Citations (1)
| Title |
|---|
| 马兆荣: "气囊在电厂取排水工程中的应用", 《广东电力》, vol. 21, no. 6, 30 June 2008 (2008-06-30) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106088142A (en) * | 2016-07-22 | 2016-11-09 | 福建省建筑设计研究院 | A kind of prefabricated assembled pipeline foundation and assembly method thereof |
| CN106088142B (en) * | 2016-07-22 | 2018-07-06 | 福建省建筑设计研究院有限公司 | A kind of prefabricated assembled pipeline foundation and its assembly method |
| CN109667288A (en) * | 2019-02-14 | 2019-04-23 | 国电蓬莱发电有限公司 | To the restorative procedure and structure of the water intaking box culvert seam in deep water under river channels |
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| Publication number | Publication date |
|---|---|
| CN103711143B (en) | 2016-01-27 |
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Address after: No. 68 GUCUI Road, Hangzhou, Zhejiang Province Patentee after: Energy source in China construction group Zhejiang Province Power Design Institute Co., Ltd Address before: No. 68 GUCUI Road, Hangzhou, Zhejiang Province Patentee before: Zhejiang Electric Power Design Institute |