CN202247937U - Underground diaphragm wall ring foundation - Google Patents
Underground diaphragm wall ring foundation Download PDFInfo
- Publication number
- CN202247937U CN202247937U CN2011202789803U CN201120278980U CN202247937U CN 202247937 U CN202247937 U CN 202247937U CN 2011202789803 U CN2011202789803 U CN 2011202789803U CN 201120278980 U CN201120278980 U CN 201120278980U CN 202247937 U CN202247937 U CN 202247937U
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- Prior art keywords
- wall
- foundation
- diaphragm wall
- underground diaphragm
- wall ring
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Abstract
The utility model relates to the field of construction sites and foundations, and particularly discloses an underground diaphragm wall ring foundation. The underground diaphragm wall ring foundation comprises wall joints and at least three sections of wall bodies, wherein the wall bodies are connected in an end-to-end manner through the wall joints to form the ring foundation. With the underground diaphragm wall ring foundation provided by the utility model, the bottom foundation can form a whole to increase the stability, and underground diaphragm wall ring piles can exert the overall effect under the action of live load at the upper part so that the underground diaphragm wall ring piles have sufficient resistance. Compared with the pile foundation, the underground diaphragm wall ring foundation can save a certain quantity of reinforcing steel bars and concrete. On the other hand, the wall bodies have great rigidity and good seepage resistance and are applicable to various foundation conditions. Moreover, the underground diaphragm wall ring foundation has high working efficiency, short construction period, reliable quality and high economical benefit.
Description
Technical field
The utility model relates to building lot and basic field, particularly relates to a kind of diaphragm wall ring foundation.
Background technology
At present for the equipment of main equipment or dynamic load, like wind power generating set, frame, pylon fixing etc., shortcoming such as the base form of employing exists cost high, and distortion is big, and is long in time limit.
China's wind energy is abundant; Because the generation of energy crisis and advocated in recent years use and develop green energy resource; Wind energy as a kind of cleaning, environmental protection and cheaply the energy become a kind of energy of advocating exploitation; Wind-powered electricity generation is built industry and is also begun continuous development, and the construction of wind energy turbine set has more wide prospect.
Though the cost of blower foundation shared proportion in whole blower fan cost is very little, ground and the safety on basis are determining the safety of whole pylon structure, aspect importance, are equal at least with superstructure.Because wind-powered electricity generation unit basis has the particularity of bearing 360 ° of direction reloadings and large eccentric pressuring, general ground is with basic, and it is higher that the wind-powered electricity generation unit moves stability requirement to the stability against overturning on basis and antiskid.
Traditional main form that adopts in wind-powered electricity generation unit basis comprises spread footing and pile foundation.Spread footing is a kind of shallow foundation, is applicable to that embeded depth of foundation is less, the not high situation of bearing capacity of foundation soil.The construction of spread footing is too big to concrete consumption, needs to adopt bigger foundation ' s bottom area, also needs more reinforcing bar in addition.Pile foundation is a kind of deep foundation, is applicable to when natural bearing capacity of foundation soil and distortion can not satisfy actual requirement, act on the situation such as power machine basis have high-rise structure and needs than levels power and moment of flexure to weaken its vibration effect.Design of pile foundation is primarily aimed at soft foundation; Spread footing can not be satisfied the blower fan pylon structure to sedimentation on the soft foundation; Therefore the requirement at inclination angle often adopts pile foundation, and the engineering quantity that common pile foundation needs is big, the duration is long and very big to raw-material consumption.
The utility model content
The technical problem that (one) will solve
Problems such as the technical problem that the utility model will solve provides a kind of diaphragm wall ring foundation, needs bigger foundation ' s bottom area to overcome existing basis, and it is big to expend concrete, and it is more to expend reinforcing bar, and engineering quantity is big, and is long in time limit.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of diaphragm wall ring foundation, comprising:
Body of wall joint and at least three sections bodies of wall, said body of wall join end to end through the body of wall joint and form ring-like basis.
Preferably, the said body of wall of each section connects into regular polygon.
Preferably, said body of wall and said body of wall joint are all perpendicular to horizontal plane.
Preferably, the center line of said body of wall joint is positioned at the extended line intersection of two sections adjacent said bodies of wall.
Preferably, said body of wall and said body of wall joint are by reinforcing cage and concrete for making.
(3) beneficial effect
Technique scheme has following beneficial effect: it is whole to increase its stability that a kind of diaphragm wall ring foundation that the utility model provides can make base foundation form; Guarantee under the dynamic load effect of top; The stake of diaphragm wall annular can be brought into play group effect; Make it have enough resistivities, compare with the conventional piles basis and can save a certain amount of reinforcing bar and concrete.The utility model body of wall rigidity is big in addition, and barrier performance is good, and applicable to multiple foundation condition, and work efficiency height, duration weak point, reliable in quality, economic benefit are high.
Description of drawings
Fig. 1 is the vertical view of the diaphragm wall ring foundation of the utility model embodiment;
Fig. 2 is the stereogram of the diaphragm wall ring foundation of the utility model embodiment;
Fig. 3 is the flow chart of construction method of the diaphragm wall ring foundation of the utility model embodiment.
Wherein, 1: body of wall; 2: the body of wall joint; 3: reinforcing cage; 4: concrete.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
As shown in Figure 1, the diaphragm wall ring foundation of the utility model embodiment comprises: body of wall 1, body of wall joint 2, reinforcing cage 3 and concrete 4.
Underground continuous circular shape basis is made up of at least three sections bodies of wall 1, body of wall 1 be shaped as cuboid, connect each body of wall 1 end to end formation circulus through body of wall joint 2 between each body of wall 1.The center line of body of wall joint 2 is positioned at the extended line intersection of two adjacent bodies of wall 1; Junction block is inserted between two sections bodies of wall 1, can on body of wall 1, stays next circular hole after extracting, in circular hole, just form body of wall joint 2 behind the joints cement.Body of wall 1 is made up of reinforcing cage 3 and concrete 4.
The diaphragm wall ring foundation is made up of body of wall 1 and body of wall joint 2 and is formed an integral body, and such basis has better stability, can bear the huge load that top high-rise buildings structure transmits.Soil around diaphragm wall ring foundation and the basis has utilized the confined pressure in the horizontal direction of surrounding soil with forming entire effective, has increased basic stability simultaneously.
Referring to Fig. 3, the construction method of the diaphragm wall ring foundation of the utility model embodiment may further comprise the steps:
Step S1, lead wall chase and in leading wall chase, build steel concrete and lead wall, lead the wall degree of depth, lead the wall metope and be higher than construction plant 10～20cm generally at 1.2～2.0m along the longitudinal axis position excavation of diaphragm wall design;
Step S2, use trench machine and and under the condition of mud off, dig out the groove identical with the degree of depth underground, and groove clearly, the just polygon row of the end to end formation of each groove with the body of wall design width;
Step S3, treat that each groove digs after; A precast reinforced cage is placed at each groove place respectively, is provided with junction block between the end face of two adjacent reinforcing cages, and junction block is vertically placed; Keep plumbness; The lower end of junction block is placed to bottom land and continues and inserts more than the 50cm, and the effect of junction block is when concreting, to be the side form that body of wall provides both sides, prevents the concrete effluent;
Step S4, employing tremie method carry out concrete casting to groove, and use concrete vibration bar that concrete vibrating is closely knit;
Step S5, under general condition concrete is carried out maintenance, treat concrete stable in properties after, promptly do not cave in after the form removal, extract junction block gradually, each body of wall end forms circular hole, wherein, first section body of wall two ends of building is equipped with this type of circular hole.An end that weaves is in advance had projection; The other end has the reinforcing cage of groove and puts into the groove that body of wall belongs to; The projection of reinforcing cage embeds in the circular hole that into junction block forms; The concreting at the circular hole place circulates and implements this step then, forms the underground circular wall until connecting into each walling an integral body.
Can find out by above embodiment; The utility model embodiment is whole to increase its stability through adopting the diaphragm wall ring foundation that base foundation and foundation soil are formed; Guarantee under the dynamic load effect of top; The diaphragm wall ring foundation can be brought into play group effect, makes it have enough resistivities, compares with pile foundation and can save a certain amount of reinforcing bar and concrete.The utility model body of wall rigidity is big in addition, and barrier performance is good, applicable to multiple foundation condition.Work efficiency height, duration weak point, reliable in quality, economic benefit height.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and modification, these improvement and modification also should be regarded as the protection domain of the utility model.
Claims (5)
1. the ring-like basis of diaphragm wall is characterized in that, comprising: body of wall joint and at least three sections bodies of wall, said body of wall join end to end through the body of wall joint and form ring-like basis.
2. the ring-like basis of diaphragm wall as claimed in claim 1 is characterized in that the said body of wall of each section connects into regular polygon.
3. the ring-like basis of diaphragm wall as claimed in claim 1 is characterized in that, said body of wall and said body of wall joint are all perpendicular to horizontal plane.
4. the ring-like basis of diaphragm wall as claimed in claim 1 is characterized in that the center line of said body of wall joint is positioned at the extended line intersection of two sections adjacent said bodies of wall.
5. the ring-like basis of diaphragm wall as claimed in claim 1 is characterized in that, said body of wall and said body of wall joint are by reinforcing cage and concrete for making.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202789803U CN202247937U (en) | 2011-08-02 | 2011-08-02 | Underground diaphragm wall ring foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202789803U CN202247937U (en) | 2011-08-02 | 2011-08-02 | Underground diaphragm wall ring foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202247937U true CN202247937U (en) | 2012-05-30 |
Family
ID=46109199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202789803U Expired - Fee Related CN202247937U (en) | 2011-08-02 | 2011-08-02 | Underground diaphragm wall ring foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202247937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359118A (en) * | 2011-08-02 | 2012-02-22 | 北京健安诚岩土工程有限公司 | Annular foundation of underground continuous wall and construction method thereof |
-
2011
- 2011-08-02 CN CN2011202789803U patent/CN202247937U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359118A (en) * | 2011-08-02 | 2012-02-22 | 北京健安诚岩土工程有限公司 | Annular foundation of underground continuous wall and construction method thereof |
| CN102359118B (en) * | 2011-08-02 | 2013-12-04 | 北京健安诚岩土工程有限公司 | Annular foundation of underground continuous wall and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20140802 |
|
| EXPY | Termination of patent right or utility model |