CN203346849U - Gravity type balancing weight unloading quay wall structure - Google Patents
Gravity type balancing weight unloading quay wall structure Download PDFInfo
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- CN203346849U CN203346849U CN 201320316784 CN201320316784U CN203346849U CN 203346849 U CN203346849 U CN 203346849U CN 201320316784 CN201320316784 CN 201320316784 CN 201320316784 U CN201320316784 U CN 201320316784U CN 203346849 U CN203346849 U CN 203346849U
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Abstract
The utility model provides a gravity type balancing weight unloading quay wall structure. The structure comprises a conventional gravity type structure, a balancing weight unloading bearing platform is arranged on the upper rear side of the gravity type structure, and a pile foundation or an underground continuous wall playing a supporting role is located below the balancing weight unloading bearing platform. The combined structure has the advantages of being capable of effectively reducing soil pressure acting on the front gravity type structure, increasing the stabilizing force and stabilizing moment of the gravity type structure, being applied to reinforcing and transforming gravity type quay wall structures, solving the problem that safety and usability of the gravity type quay wall structures have difficulty in meeting requirements for current specifications due to various factors, and improving the durability level of original structures correspondingly. The structure is easy and convenient to construct, and has the advantages of having low influence on originally normal production operation of wharfs. The structure is applicable to transforming, reinforcing, upgrading and maintaining wharf structures, vertical type or mixed type bank protection structures, underground building structures and various gravity type retaining structures.
Description
Technical field
The utility model relates to harbour, builds the ship hydraulic structure, building structure, particularly a kind of gravity weight discharging type bulkhead wall structure that is applicable to port and pier, shore protection, underground building thing and bulkhead wall soil-retaining structure in navigation hinge, man-made island, water conservancy and building engineering field.
Background technology
Gravity structure is one of primary structure pattern of harbour, shore protection, underground building thing and bulkhead wall soil-retaining structure etc., known gravity structure is comprised of caisson (or square, the formula of mounting the throne cylinder, hollow square) 1, relieving slab 2, breastwork 3 structures, as shown in Figure 1.Gravity structure be widely distributed in wharf construction, to use more a kind of structural shape, its work characteristics be to rely on the weight of structure itself and top filler thereof to keep stability against slope and the stability against overturning of structure self.But because the gravity type quay cross dimensions of early stage domestic construction is less, change along with harbour use function in the later stage use procedure, the ship type of service is tending towards the continuous increase of maximization, technique load, the variation of the various factors such as the repeatedly renewal of specification version, make safety, usability and the durability of former gravity structure be difficult to be guaranteed, therefore, need to carry out strengthening reconstruction to the dock structure that can not reach the current specifications requirement.
Concerning the gravity quay wall structure, according to its loading characteristic, improve safety and usability and must take corresponding measure from improving to stablize drag and reduce active force two aspects, for the harbour that structural condition is good carries out Modification and reutilization, or even the recycling that upgrades, thereby take full advantage of existing utility, economize on resources, reduce consumption, be badly in need of a kind of new structure pattern that is applicable to gravity quay wall structural strengthening transformation of exploitation, while bulkhead wall structure, especially during the dock structure strengthening reconstruction, often can not affect the normal production and operation of existing harbour.
Summary of the invention
The purpose of this utility model is to provide a kind of gravity weight discharging type bulkhead wall structure, increases and stablizes drag and reduce rear soil pressure effect, is beneficial to safety and the usability of gravity quay wall structure, and corresponding raising life level.
For achieving the above object, the technical solution adopted in the utility model is to provide a kind of gravity weight discharging type bulkhead wall structure, this structure includes the gravity retaining structures of caisson, relieving slab, breastwork composition, wherein: be provided with weight off-load cushion cap above described caisson or relieving slab, below weight off-load cushion cap, be connected with passive pile foundation or diaphragm wall.
Effect of the present utility model is that this weight off-load suspended deck structure can reduce to act on the soil pressure on the gravity structure of the place ahead effectively, increase stability force and the stabilizing moment of gravity structure, thereby created the new structure type that is applicable to gravity quay wall structural strengthening transformation, solved the problem that gravity quay wall safety of structure, usability and durability that various factors causes are difficult to meet current specifications.Simultaneously, this weight discharging type gravity quay wall structure construction is easy, has cost low, on the less advantage of the normal production operation impact of former harbour.Be applicable to dock structure, bank protection structure, underground building thing structure and various gravity quay wall soil-baffling structure.
The accompanying drawing explanation
Fig. 1 is an embodiment organigram of the present utility model;
Fig. 2 is another embodiment organigram of the present utility model;
Fig. 3 is the structure section figure of existing another embodiment.
In figure:
1, caisson 2, relieving slab 3, breastwork 4, steady unloading cushion cap
5, pile foundation or diaphragm wall 6, bedding 7, backfill 8, ground
The specific embodiment
Below in conjunction with drawings and Examples, gravity weight discharging type bulkhead wall structure of the present utility model is further illustrated.
Weight discharging type gravity quay wall structure of the present utility model, this structure includes the gravity retaining structures of caisson 1, relieving slab 2, breastwork 3 compositions, it is characterized in that: be provided with weight off-load cushion cap 4 above described caisson 1 or relieving slab 2, be connected with passive pile foundation or diaphragm wall 5 below weight off-load cushion cap 4.Described caisson 1 also can be the precast concrete square or mount the throne formula cylinder or hollow square.
Described pile foundation is straight stake or taper pile or fork stake, can be also two or more compound pile or ground-connecting-walls.The section configuration of the straight stake of described pile foundation or taper pile or fork stake is square or circular.
As shown in Figure 1, gravity retaining structures of the present utility model is precast concrete square 1 gravity retaining structures with relieving slab 2.Weight off-load cushion cap 4 is located at above relieving slab 2, one or more the compound pile that the pile foundation of support and connection or diaphragm wall 5 be directly stake, taper pile, fork stake below weight off-load cushion cap 4, or continuous underground wall structure.Bedding 6 is seated on the ground 8 that bearing capacity is good, place caisson 1 on bedding 6, relieving slab 2 is set on caisson 1, can reduce rear part soil pressure effect, breastwork 3 is set on it, if above-mentioned gravity structure safety, usability and durability are difficult to be guaranteed, must improve and stablize drag and reduce rear soil pressure effect, make dock structure meet the requirement of current specifications.Weight off-load cushion cap 4 is set above relieving slab 2, the deadweight of gravity agent structure is increased, thereby stability force and stabilizing moment have been increased, passive pile foundation below weight off-load cushion cap 4 or diaphragm wall 5, soil body weight more than 4 of weight off-load cushion cap and the load of end face have been born, play the effect of the soil pressure that reduces to act on caisson 1, and the rear soil pressure is played to sheltering effects, created the new structure type that is applicable to the Gravity harf structure strengthening reconstruction, solved the Gravity harf structure safety that various factors causes, usability and durability do not meet the problem of current specifications.
As shown in Figure 2, gravity retaining structures is that weight off-load cushion cap 4 is set directly on caisson 1 structure not with caisson 1 gravity retaining structures of relieving slab 2, and the structure of other parts is same as shown in Figure 1.
The case history that the embodiment of take shown in Fig. 3 is port and pier, this original gravity structure is in the later stage use procedure, and harbour top service load strengthens, and makes the gravity structure Against Sliding Stability not meet code requirement, the bedding counter-force is excessive, the Bottom plate of sinkbox Lack of support.Gravity retaining structures of the present utility model is caisson 1 gravity retaining structures with relieving slab 2, and wherein the end face absolute altitude of gravity type quay is+7.5m that at the bottom of the design of wharf apron, absolute altitude is-13.3m.The dock structure form is band relieving slab gravity caisson structure, and bottom is riprap foundation 6, and bedding is seated in foundation trench, the ground 8 that the foundation trench bottom surface is strong-weathered rock, prefabricated reinforced concrete caisson 1 is laid on riprap foundation top, caisson bottom width 8.5m, the high 1.2m of top mark, fill out backfill in case.Caisson top is prefabricated reinforced concrete relieving slab 2, the high 2.8m of relieving slab top mark.Be provided with backfill 7 after caisson, harbour top is cast-in-situ steel reinforced concrete breastwork 3.
Establish pile foundation or the diaphragm wall 5 of two Φ 1500mm at each caisson 1 rear of existing dock structure, spacing 4m, above former harbour relieving slab 2 and rear foundation of square piles or diaphragm wall 5, the weight off-load cushion cap 4 of steel concrete is set, make to move after harbour overall structure center of gravity, caisson 1 rear soil pressure is carried out to off-load, and caisson rear soil pressure is played to sheltering effects.
This examples prove the advantage of this utility model structure, have promotion and application and be worth.
Claims (4)
1. a gravity weight discharging type bulkhead wall structure, this structure includes the gravity retaining structures of caisson (1), relieving slab (2), breastwork (3) composition, it is characterized in that: the top at described caisson (1) or relieving slab (2) is provided with weight off-load cushion cap (4), is connected with passive pile foundation or diaphragm wall (5) in the below of weight off-load cushion cap (4).
2. gravity weight discharging type bulkhead wall structure according to claim 1 is characterized in that: described pile foundation, for straight stake or taper pile or fork stake, can be also two or more compound pile or ground-connecting-walls.
3. gravity weight discharging type bulkhead wall structure according to claim 2 is characterized in that: the section configuration of the straight stake of described pile foundation or taper pile or fork stake is square or circular.
4. gravity weight discharging type bulkhead wall structure according to claim 1, it is characterized in that: described caisson (1) also can be the precast concrete square or mount the throne formula cylinder or hollow square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320316784 CN203346849U (en) | 2013-06-04 | 2013-06-04 | Gravity type balancing weight unloading quay wall structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320316784 CN203346849U (en) | 2013-06-04 | 2013-06-04 | Gravity type balancing weight unloading quay wall structure |
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| Publication Number | Publication Date |
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| CN203346849U true CN203346849U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320316784 Expired - Lifetime CN203346849U (en) | 2013-06-04 | 2013-06-04 | Gravity type balancing weight unloading quay wall structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343026A (en) * | 2018-03-14 | 2018-07-31 | 中交四航局港湾工程设计院有限公司 | A kind of load retaining wall buttressed quay wall structure |
| CN113482053A (en) * | 2021-07-12 | 2021-10-08 | 上海东华建设管理有限公司 | Caisson connecting section triangular area underwater concrete construction structure and construction method |
-
2013
- 2013-06-04 CN CN 201320316784 patent/CN203346849U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343026A (en) * | 2018-03-14 | 2018-07-31 | 中交四航局港湾工程设计院有限公司 | A kind of load retaining wall buttressed quay wall structure |
| CN113482053A (en) * | 2021-07-12 | 2021-10-08 | 上海东华建设管理有限公司 | Caisson connecting section triangular area underwater concrete construction structure and construction method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |
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| CX01 | Expiry of patent term |