CN207452922U - The constructing device that steel cofferdam actively sinks - Google Patents
The constructing device that steel cofferdam actively sinks Download PDFInfo
- Publication number
- CN207452922U CN207452922U CN201720955255.2U CN201720955255U CN207452922U CN 207452922 U CN207452922 U CN 207452922U CN 201720955255 U CN201720955255 U CN 201720955255U CN 207452922 U CN207452922 U CN 207452922U
- Authority
- CN
- China
- Prior art keywords
- steel
- steel cofferdam
- counter
- pull rod
- cofferdam
- 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
Links
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model discloses the constructing devices that a kind of steel cofferdam actively sinks, including being fixed on steel cofferdam counter-force bracket at steel cofferdam upper inside wall position, the steel pile casting counter-force bracket for the steel pile casting upper surface for being mounted adjacent to steel cofferdam inner wall and the centre-hole jack and pull rod mounted on steel cofferdam counter-force bracket upper surface；The pull rod from top to bottom sequentially passes through jack, steel cofferdam counter-force bracket and steel pile casting counter-force bracket, and the bottom of the pull rod is locked at the lower face of steel pile casting counter-force bracket by lower locking member, the top of the pull rod is locked at by upper locking member on the piston end surface of jack；Tightening pull rod is stretched by jack piston, the pulling force suffered by pull rod is made to switch to the lower pressure to steel cofferdam, is sunk so as to which steel cofferdam be forced to be subject to the lower pressure of active.Pressure is actively descended due to being applied with, equivalent to increase counterweight, therefore steel cofferdam subsidence velocity can be accelerated, reduces and inhales mud, shoveling workload.
Description
Technical field
The utility model is related to bridge, water conservancy foundation construction fields, and in particular to the construction that a kind of steel cofferdam actively sinks
Device.
Background technology
Steel cofferdam (also known as steel jacket box) is typically used as the pier cap water-retaining structure of bridge, while also doubles as casting concrete
Template.Designed elevation cannot be sunk to by its dead weight by being put under usual steel cofferdam after mud, in the past will by steel cofferdam every
Cabin adds water or concrete or sandstone to make its sinking as counterweight.
When driving depth is larger, the resistance of mud can be very big, heavy even if filling it up with concrete in steel cofferdam compartment makees counterweight
Amount is also insufficient to allow its sinking or can sink but very slow, to this construction stage in the past can only by inside and outside steel cofferdam suction mud,
It cuts the earth to make its sinking.《Bridge construction》The 6th phase of volume 45 in 2015《Shanghai Changjiang River bridge No. 3 masters of born port special purpose channel bridge
Pier steel cofferdam construction technology》Sink to cutting the earth and inhale mud construction method to steel cofferdam and be described.Sink for steel cofferdam is accelerated
Construction method, what is had been reported that at present is around inhaling mud method, improving in shoveling method, such as《Building materials and decoration》2016
1st phase《The main bridge 11# piers Double-Wall Steel Boxed Cofferdam of pool river grand bridge is brief talked to sink》.Chinese utility model application (application number
201110410917.5th, applying date 2011.12.12) a kind of suction mud method for accelerating steel cofferdam component subsidence velocity is disclosed,
It is how that improving suction mud method makes steel cofferdam sink quickening to apply for a patent.But it is this suction mud expend the time it is long, expense compared with
Height, when mud is inhaled outside steel cofferdam, security is not high, easily makes to run through inside and outside the soil of steel cofferdam bottom；In addition, the density of water
Small, such as adding water in steel cofferdam compartment, often weight is inadequate as counterweight, and sandstone is added then to be not easy to convey, adds concrete then cost mistake
It is high.
And previous Deep-water Steel Cofferdam Sinking method is to inhale mud by its dead weight plus counterweight or combination, cut the earth, and is belonged to
In it is passive sink, when previous steel cofferdam tilts, only mud is inhaled by the fast one side that stops sinking, only in the one side suction mud for sinking few
Correction, it is time-consuming.
The content of the invention
The purpose of this utility model aiming at the deficiency of above-mentioned technology, provide it is a kind of it is easy to operate, save money, safety
And the constructing device that efficient steel cofferdam actively sinks.
To achieve the above object, the constructing device that the steel cofferdam designed by the utility model actively sinks, including being fixed on
Steel cofferdam counter-force bracket, the steel for the steel pile casting upper surface for being mounted adjacent to steel cofferdam inner wall at steel cofferdam upper inside wall position protect
Cylinder counter-force bracket and the centre-hole jack and pull rod mounted on steel cofferdam counter-force bracket upper surface, and the steel cofferdam is anti-
Power bracket is with the steel pile casting counter-force bracket in corresponding arrangement up and down；The pull rod from top to bottom sequentially passes through jack, steel encloses
Weir counter-force bracket and steel pile casting counter-force bracket, and the bottom of the pull rod is locked at steel pile casting counter-force bracket by lower locking member
Lower face, the top of the pull rod are locked at by upper locking member on the piston end surface of jack.
Further, when the pull rod is steel strand wires, the upper locking member includes upper anchor slab and mounted on the upper anchor slab
In upper wedge-shaped intermediate plate, the lower locking member includes lower anchor slab and the lower wedge grip piece in the lower anchor slab, the drawing
The top of bar sequentially passes through the upper anchor slab and the upper wedge-shaped intermediate plate from the bottom up, and the bottom of the pull rod is from top to bottom successively
Through the lower anchor slab and the lower wedge grip piece, and the upper wedge-shaped intermediate plate is in that top is arranged with the lower wedge grip piece.
Further, be provided with intermediate locking member between the steel cofferdam counter-force bracket and the jack, and it is described in
Between locking member include intermediate anchor slab and the intermediate wedge intermediate plate in the intermediate anchor slab, and the intermediate wedge intermediate plate with
The lower wedge grip piece is in that top is arranged.
Further, when the pull rod is screw-thread steel, the top and bottom of the pull rod pass through nut check.
Compared with prior art, the utility model has the following advantages：Tightening pull rod is stretched by jack piston,
The pulling force suffered by pull rod is made to switch to the lower pressure to steel cofferdam, is sunk so as to which steel cofferdam be forced to be subject to the lower pressure of active.By
Pressure is actively descended in being applied with, equivalent to increase counterweight, therefore steel cofferdam subsidence velocity can be accelerated, reduces and inhales mud, shoveling work
Amount reduces compartment concrete, sandstone addition；And correction of pressurizeing is simple rapid, more accurate by inhaling mud correction than existing, so as to
Project cost is saved, and improves speed of application.
Description of the drawings
Fig. 1 is the utility model steel cofferdam constructing device mounting structure schematic diagram that actively sinking is rectified a deviation；
Fig. 2 is the mounting structure schematic diagram of embodiment 1；
Fig. 3 is the mounting structure schematic diagram of embodiment 2；
Fig. 4 is the mounting structure schematic diagram of embodiment 3.
Wherein：Steel cofferdam 1 is (wherein：Vertical centerline 1.1, horizontal center line 1.2), steel pile casting 2, steel pile casting counter-force bracket
3rd, steel cofferdam counter-force bracket 4, centre-hole jack 5 be (wherein：Piston 5.1), pull rod 6, upper wedge-shaped intermediate plate 7, upper anchor slab 8, cast anchor
Plate 9, lower wedge grip piece 10, intermediate wedge intermediate plate 11, intermediate anchor slab 12, nut 13.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
The constructing device actively to sink for steel cofferdam as shown in Figure 1, including being mounted at 1 upper inside wall position of steel cofferdam
It steel cofferdam counter-force bracket 4, the steel pile casting counter-force bracket 3 for being fixed on 2 upper surface of steel pile casting for closing on 1 inner wall of steel cofferdam and is mounted on
The centre-hole jack 5 and pull rod 6 of 4 upper surface of steel cofferdam counter-force bracket, steel cofferdam counter-force bracket 4 and steel pile casting counter-force ox
Leg 3 arranges that pull rod 6 from top to bottom sequentially passes through corresponding jack 5, steel cofferdam counter-force bracket 4 and steel shield in corresponding up and down
Cylinder counter-force bracket 3, and the bottom of pull rod 6 is locked at the lower face of steel pile casting counter-force bracket 3, the top of pull rod 6 by lower locking member
End is locked at by upper locking member on 5.1 end face of piston of jack 5.
When pull rod 6 is steel strand wires, upper locking member includes upper anchor slab 8 and the upper wedge-shaped intermediate plate 7 in upper anchor slab 8,
Lower locking member includes lower anchor slab 9 and the lower wedge grip piece 10 in lower anchor slab 9, the top of pull rod 6 are worn successively from the bottom up
Anchor slab 8 and upper wedge-shaped intermediate plate 7 are crossed, and the bottom of pull rod 6 sequentially passes through lower anchor slab 9 and lower wedge grip piece 10 from top to bottom, and
Upper wedge shape intermediate plate 7 is in that top is arranged with lower wedge grip piece 10.In addition, with reference to shown in Fig. 2, steel cofferdam counter-force bracket 4 and jack 5
Between be also equipped with intermediate locking member, and in intermediate locking member include intermediate anchor slab 12 and in intermediate anchor slab 12 in
Between wedge-shaped intermediate plate 11, and intermediate wedge intermediate plate 11 is in that top is arranged with lower wedge grip piece 10.
With reference to shown in Fig. 3, when pull rod 6 is screw-thread steel, the top and bottom of pull rod 6 are locked by nut 13.
The construction method for carrying out steel cofferdam using above-mentioned constructing device and actively sinking is described below, in all examples below
Steel cofferdam is rectangle steel cofferdam.
Embodiment 1
As shown in Fig. 2, using steel strand wires as pull rod, and for the stationarity for ensureing steel cofferdam sinking, in steel cofferdam
Inside sets the above-mentioned constructing device of a circle, and concrete construction method is as follows：
1) steel pile casting counter-force bracket 3, Suo Yougang there are one respectively being installed in 2 upper surface of steel pile casting for closing on 1 inner wall of steel cofferdam
Casing counter-force bracket 3 is in rectangular layout；The steel pile casting counter-force that vertical direction is arranged in steel pile casting counter-force bracket 3 in rectangular layout
Bracket 3 is arranged symmetrically along steel cofferdam horizontal center line 1.2, and 3 edge of steel pile casting counter-force bracket of left and right sides vertical direction arrangement
Steel cofferdam vertical centerline 1.1 is arranged symmetrically；The steel pile casting that horizontal direction is arranged in steel pile casting counter-force bracket 3 in rectangular layout
Counter-force bracket 3 is arranged symmetrically along steel cofferdam vertical centerline 1.1, and the steel pile casting counter-force bracket of front and rear sides horizontal direction arrangement
3 are arranged symmetrically along steel cofferdam horizontal center line 1.2, as shown in Figure 4；
2) a circle steel cofferdam counter-force bracket 4, steel cofferdam counter-force bracket 4 are provided at the upper position of 1 inner wall of steel cofferdam
Number it is equal with the number of steel pile casting counter-force bracket 3 and in correspond arrangement；
3) centre-hole jack 5 is respectively installed in the upper surface of each steel cofferdam counter-force bracket 4；
4) steel strand wires are installed, and the number of steel strand wires is equal with the number of steel pile casting counter-force bracket 3；Each steel strand wires are by upper
Corresponding jack 5, steel cofferdam counter-force bracket 4 and steel pile casting counter-force bracket 3, and the bottom of each steel strand wires are sequentially passed through under and
End sequentially passes through the lower anchor slab 9 of lower locking member and lower wedge grip piece 10 from top to bottom, so as to by lower wedge grip 10 by steel strand wires
Bottom is locked at it lower face of steel pile casting counter-force bracket 3, and the top of each steel strand wires sequentially passes through locking from the bottom up
The upper anchor slab 8 of part and upper wedge-shaped intermediate plate 7, upper wedge shape intermediate plate 7 is shelved on 5.1 end face of piston of jack 5, so as to pass through upper wedge
Steel strand wires top is locked at it on 5.1 end face of piston of jack 5 by clevis 7；Wherein, upper wedge-shaped intermediate plate 7 and lower wedge grip
Piece 10 is in that top is arranged, realizes downward unidirectional slip；
5) starting all jack 5 stretches out its piston 5.1, all steel strand wires tightenings, and steel pile casting 2 is as not kinetoplast, and thousand
Jin top 5 and steel cofferdam 1 are as mobile, and steel strand wires are by upper wedge-shaped intermediate plate 7, upper anchor slab 8 and the steel pile casting counter-force of 5 top of jack
Lower wedge grip piece 10, the lower anchor slab 9 of 3 lower section of bracket clamp, due to active force and reaction force direction equal in magnitude on the contrary, therefore steel
Pulling force suffered by twisted wire switchs to the reaction force to steel cofferdam 1, i.e., downward pressure, and then steel cofferdam 1 is subject to lower pressure and sinks；
6) after completing step 5), when 5.1 backhaul of piston of jack 5, the upper wedge-shaped intermediate plate 7 of 5 top of jack unclamps,
Upper wedge shape intermediate plate 7 is snapped down to along steel strand wires on 5.1 upper surfaces of piston, and steel strand wires bottom is yet by under 2 lower section of steel pile casting
Wedge-shaped intermediate plate 10 and the clamping locking of lower anchor slab 9；Upper wedge shape intermediate plate 7 is snapped down to along steel strand wires on the upper surface of piston 5.1, then
Step 5) is repeated, makes steel cofferdam 1 that lower pressure is subject to sink again；
Due to steel cofferdam bottom, soil resistance is different everywhere, and steel cofferdam unavoidably has deflection in sinking, if in weight
Multiple step 5) settles out existing deflection at present, the action of the jack 5 for fast 1 side of steel cofferdam that stops sinking, while it is slow to accelerate to sink
The jack 5 of 1 side of steel cofferdam tightens the action of pull rod, and promoting steel cofferdam 1, subsidence velocity difference leads steel cofferdam 1 everywhere
Dynamic correction；That is, the jack 5 for fast 1 side of steel cofferdam of sinking does not start, 5 intensified pressure of jack that sinks slow or
Step 6), which is repeated several times, makes it sink to accelerating；
7) step 6) is repeated, until steel cofferdam 1 sinks down into predeterminated position, finally removes all steel pile casting counter-force brackets 3, steel
Cofferdam counter-force bracket 4 actively sinks the construction of correction so as to complete steel cofferdam 1.
Embodiment 2
Embodiment 2 and embodiment 1 difference lies in：With reference to shown in Fig. 3, set between steel cofferdam counter-force bracket 4 and jack
Intermediate locking member is equipped with, and intermediate locking member includes intermediate anchor slab and the intermediate wedge intermediate plate 11 in intermediate anchor slab 12,
And intermediate wedge intermediate plate 11 is in that top is arranged with lower wedge grip piece 10.If steel cofferdam 1 is very high so that steel strand wires are long, when very heavy
During 5.1 backhaul of piston on top 5, the wedge-shaped intermediate plate 7 in 5 top of jack unclamps, steel strand wires elastical retraction, and in 5 lower section of jack
Between wedge-shaped intermediate plate 11 can be brought by the retraction of steel strand wires in intermediate anchor slab 12 and clamp steel strand wires so that in 5 return stroke of jack
Steel strand wires can also keep tension state, so as to which steel cofferdam 1 also keeps pressured state.
Embodiment 3
As shown in figure 3, using screw-thread steel as pull rod when, and in order to ensure steel cofferdam sink stationarity, enclosed in steel
The above-mentioned constructing device of one circle is set inside weir, and concrete construction method is as follows：
1) steel pile casting counter-force bracket 3, Suo Yougang there are one respectively being installed in 2 upper surface of steel pile casting for closing on 1 inner wall of steel cofferdam
Casing counter-force bracket 3 is in rectangular layout；The steel pile casting counter-force that vertical direction is arranged in steel pile casting counter-force bracket 3 in rectangular layout
Bracket 3 is arranged symmetrically along 1 horizontal center line 1.2 of steel cofferdam, and 3 edge of steel pile casting counter-force bracket of left and right sides vertical direction arrangement
1 vertical centerline 1.1 of steel cofferdam is arranged symmetrically；The steel shield that horizontal direction is arranged in steel pile casting counter-force bracket 3 in rectangular layout
Cylinder counter-force bracket 3 is arranged symmetrically along 1 vertical centerline 1.1 of steel cofferdam, and the steel pile casting counter-force of front and rear sides horizontal direction arrangement
Bracket 3 is arranged symmetrically along 1 horizontal center line 1.2 of steel cofferdam, as shown in Figure 4；
2) a circle steel cofferdam counter-force bracket 4, steel cofferdam counter-force bracket 4 are provided at the upper position of 1 inner wall of steel cofferdam
Number it is equal with the number of steel pile casting counter-force bracket 3 and in correspond arrangement；
3) centre-hole jack 5 is respectively installed in the upper surface of each steel cofferdam counter-force bracket 4；
4) screw-thread steel is installed, and the number of screw-thread steel is equal with the number of steel pile casting counter-force bracket 3；Each screw-thread steel is by upper
Corresponding jack 5, steel cofferdam counter-force bracket 4 and steel pile casting counter-force bracket 3, and the bottom of each screw-thread steel are sequentially passed through under and
End is through nut 13, so that screw-thread steel bottom be locked at it to the lower face of steel pile casting counter-force bracket 3 by nut 13, each
The top of screw-thread steel pass through nut 13, tighten nut 13 until 13 /V of nut on 5.1 end face of piston of jack 5, so as to
Screw-thread steel top is locked at it on 5.1 end face of piston of jack 5 by nut 13；
5) starting all jack 5 stretches out its piston 5.1, all screw-thread steels tightenings, and steel pile casting 2 is as not kinetoplast, and thousand
Jin top 5 and steel cofferdam 1 are as mobile, and screw-thread steel locks clamping by nut 13, since active force and reaction force are equal in magnitude
Direction on the contrary, therefore pulling force suffered by screw-thread steel switchs to reaction force to steel cofferdam 1, i.e., downward pressure, then steel cofferdam 1 is subject to
Lower pressure and sink；
6) after completing step 5), when 5.1 backhaul of piston of jack 5, the nut 13 of 5 top of jack is turned, until
The nut 13 of the top of jack 5 is snapped down on the upper surface of piston 5.1, then repeatedly step 5), and steel cofferdam 1 is made to be subject to lower pressure
Sink again；
Due to 1 bottom of steel cofferdam, soil resistance is different everywhere, and steel cofferdam 1 unavoidably has deflection in sinking, if
It repeats step 5) to settle out at present existing deflection, the action of the jack 5 for fast 1 side of steel cofferdam that stops sinking, while it is slow to accelerate to sink
The jack 5 of steel cofferdam 1 side tighten the action of pull rod, promoting steel cofferdam 1, subsidence velocity difference carries out steel cofferdam 1 everywhere
Actively rectify a deviation；That is, the jack 5 for fast 1 side of steel cofferdam of sinking does not start, 5 intensified pressure of jack that sinks slow or
Step 6), which is repeated several times, in person makes it sink to accelerating；
7) step 6) is repeated, until steel cofferdam 1 sinks down into predeterminated position, finally removes all steel pile casting counter-force brackets 3, steel
Cofferdam counter-force bracket 4, the construction rectified a deviation so as to which steel cofferdam be completed actively to sink.
In conclusion the utility model stretches tightening pull rod by jack piston, turn the pulling force suffered by pull rod
For the lower pressure to steel cofferdam, sink so as to which steel cofferdam be forced to be subject to the lower pressure of active.Pressure is actively descended due to being applied with,
Equivalent to increase counterweight, therefore steel cofferdam subsidence velocity can be accelerated, reduction suction mud, shoveling workload or reduction compartment concrete,
Sandstone addition；And correction of pressurizeing is simple rapid, more accurate by inhaling mud correction than existing, so as to save project cost, and improves
Speed of application.
Claims (4)
1. a kind of constructing device that steel cofferdam actively sinks, it is characterised in that：Including being fixed at steel cofferdam upper inside wall position
Steel cofferdam counter-force bracket, be mounted adjacent to steel cofferdam inner wall steel pile casting upper surface steel pile casting counter-force bracket and mounted on steel
The centre-hole jack and pull rod of cofferdam counter-force bracket upper surface, and the steel cofferdam counter-force bracket and the steel pile casting are anti-
Power bracket is arranged in corresponding up and down；It is anti-that the pull rod from top to bottom sequentially passes through jack, steel cofferdam counter-force bracket and steel pile casting
Power bracket, and the bottom of the pull rod is locked at the lower face of steel pile casting counter-force bracket, the top of the pull rod by lower locking member
End is locked at by upper locking member on the piston end surface of jack.
2. the constructing device that steel cofferdam actively sinks according to claim 1, it is characterised in that：The pull rod is steel strand wires
When, the upper locking member includes upper anchor slab and the upper wedge-shaped intermediate plate in the upper anchor slab, under the lower locking member includes
Anchor slab and the lower wedge grip piece in the lower anchor slab, the top of the pull rod sequentially pass through the upper anchor slab from the bottom up
With the upper wedge-shaped intermediate plate, the bottom of the pull rod sequentially passes through the lower anchor slab and the lower wedge grip piece from top to bottom, and
The upper wedge-shaped intermediate plate is in that top is arranged with the lower wedge grip piece.
3. the constructing device that steel cofferdam actively sinks according to claim 1, it is characterised in that：The steel cofferdam counter-force bracket
Intermediate locking member is provided between the jack, and the intermediate locking member includes intermediate anchor slab and mounted on the centre
Intermediate wedge intermediate plate in anchor slab, and the intermediate wedge intermediate plate is in that top is arranged with the lower wedge grip piece.
4. the constructing device that steel cofferdam actively sinks according to claim 1, it is characterised in that：The pull rod is screw-thread steel
When, the top and bottom of the pull rod pass through nut check.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720955255.2U CN207452922U (en) | 2017-08-01 | 2017-08-01 | The constructing device that steel cofferdam actively sinks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720955255.2U CN207452922U (en) | 2017-08-01 | 2017-08-01 | The constructing device that steel cofferdam actively sinks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207452922U true CN207452922U (en) | 2018-06-05 |
Family
ID=62248970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720955255.2U Expired - Fee Related CN207452922U (en) | 2017-08-01 | 2017-08-01 | The constructing device that steel cofferdam actively sinks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207452922U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565672A (en) * | 2019-08-28 | 2019-12-13 | 中铁大桥局集团有限公司 | construction method of bare rock low-pile bearing platform foundation |
| CN112227188A (en) * | 2020-10-07 | 2021-01-15 | 代潇男 | Bridge leg depth limiter suitable for emergency rescue and disaster relief at breach of dam in yellow river water conservancy |
| CN113585314A (en) * | 2021-08-03 | 2021-11-02 | 广州市市政集团有限公司 | Static pressure type open caisson machine |
-
2017
- 2017-08-01 CN CN201720955255.2U patent/CN207452922U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565672A (en) * | 2019-08-28 | 2019-12-13 | 中铁大桥局集团有限公司 | construction method of bare rock low-pile bearing platform foundation |
| CN112227188A (en) * | 2020-10-07 | 2021-01-15 | 代潇男 | Bridge leg depth limiter suitable for emergency rescue and disaster relief at breach of dam in yellow river water conservancy |
| CN112227188B (en) * | 2020-10-07 | 2022-03-11 | 代潇男 | Bridge leg depth limiter suitable for emergency rescue and disaster relief at breach of dam in yellow river water conservancy |
| CN113585314A (en) * | 2021-08-03 | 2021-11-02 | 广州市市政集团有限公司 | Static pressure type open caisson machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207452922U (en) | The constructing device that steel cofferdam actively sinks | |
| CN102562074A (en) | Construction method for composite stratum with hard top and soft bottom of large-section tunnel | |
| CN105256824B (en) | A kind of junked tire lattice guest unit qualifying guest anchored plate retaining wall and construction method | |
| CN201459674U (en) | PHC tubular pile dam | |
| CN107288140A (en) | The steel cofferdam constructing device that actively sinking is rectified a deviation and construction method | |
| CN208152052U (en) | Steel sheet pile underground structure of controllable deformation | |
| CN106223354A (en) | The construction method of shallow foundation stay in place form | |
| CN105862862B (en) | A kind of large diameter pile buries hammer Refloatation method | |
| CN203270578U (en) | Underground pile removing apparatus provided with steel wire rope clamps | |
| CN208309396U (en) | A kind of bridge pier column overturn-preventing operation platform | |
| CN208701697U (en) | A kind of narrow foundation trench adjustable supporting device | |
| CN208586602U (en) | The cast-in-place hollow continuous underground wall structure of post-tensioned prestressed concrete | |
| CN203855967U (en) | Drilling and filling trolley on slope gallery | |
| CN103741690B (en) | A kind of soil plug compensates pile tube and extracts construction method and soil plug used compensation pile tube pile pulling device thereof | |
| CN108951607A (en) | The hollow continuous underground wall structure of cast-in-place post-tensioned prestressed concrete and its construction method | |
| CN210002403U (en) | Pile sinking device for precast pile combining hammering and static pressure | |
| CN204940273U (en) | A kind of Prestressed anchor rope with pressure dispersing construction equipment | |
| CN104452760A (en) | Noiseless steel sheet pile pressing equipment and construction method thereof | |
| CN206143793U (en) | Heavy grade dam foundation grouting moves movable support | |
| CN112376600A (en) | Safe anti-seismic building pile | |
| CN202064364U (en) | Earth-rock cofferdam structure capable of filling water in foundation pit | |
| CN209011081U (en) | A kind of novel spats structure suitable for flexible slope protection | |
| Hameed et al. | Lateral load behavior of jetted piles | |
| CN2811394Y (en) | Soil-cement pile and spile integrated pile driver | |
| CN206233246U (en) | For the saw component of box formula equalizer bar foundation ditch support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 |