CN104674820A - Novel surrounding structure system and construction method for reducing vibration - Google Patents
Novel surrounding structure system and construction method for reducing vibration Download PDFInfo
- Publication number
- CN104674820A CN104674820A CN201310613083.7A CN201310613083A CN104674820A CN 104674820 A CN104674820 A CN 104674820A CN 201310613083 A CN201310613083 A CN 201310613083A CN 104674820 A CN104674820 A CN 104674820A
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- China
- Prior art keywords
- construction
- hammer
- vibration
- frequency
- novel
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
Abstract
The invention relates to a novel surrounding structure system and a construction method for reducing vibration. The construction method mainly comprises the following steps: inserting a five-axis cement mud stirring pile into a prefabricated component, and inserting the prefabricated component by adopting an eccentric torque variable-frequency motor electric-drive vibrating hammer. The novel construction method disclosed by the invention has the characteristics of being high in construction speed, small in interferences on a surrounding environment, small in interferences on integral performances of the prefabricated component, energy-saving, environment-friendly, and the like.
Description
Technical field
The present invention relates to a kind of novel structural protective system and reduce the construction vibrated, this construction method can be widely used in Soft Deep Foundation Pit engineering.
Background technology
Current structural protective system can be divided into following a few class by the degree of depth: put slope, gravity dam, draw anchor or inner support in conjunction with drilled pile, SMW engineering method, diaphragm wall.From construction more than polytype retaining design be field fabrication technique, utilize the extremely rare of prefabricated units.The element precastization of superstructure has entered the popularization stage at present, and underground exterior-protected structure utilizes prefabricated units to be next step development trend.
If but prefabricated units are directly inserted as soil-baffling structure in soil, can not sealing between prefabricated units, need to construct again after prefabricated units row's water-stop curtain if structural protective system will be formed.Therefore, the present invention adopts prefabricated units to insert in cement mixing method, so not only can keep off soil but also can sealing.As the carrier inserting concrete prefabricated parts, five axle cement mixing methods are current a kind of novel cement mixing methods, and the mechanism of this kind of engineering method pile adopts curing compound and the soil body to carry out mandatory stirring in position to have come.Engineering method has the features such as speed of application is fast, effective, comprehensive cost is low, nothing displacement soil, environment-friendly and green, can be widely used in soft clay area.On the other hand, the current prefabricated units such as pile tube, sheet pile pile sinking generally multiselect conventional hydraulic vibrohammer in basis and Foundation Pit Support Engineering.Owing to having, vibration frequency is high, the vibration wave decay advantage such as fast and be widely used in surrounding enviroment complex area.But find in practice, the hydraulic vibrohammer of present form of structure is gone back the large defect of ubiquity two at present and is waited to improve; One due to start and stop time all will through resonance zone, produce resonant frequency, except causing producing except noise pollution, equipment and concrete prefabricated parts also can be made to bear additional duty, affect the useful working life of hydraulic vibrohammer structural element and the integrality of prefabricated units; Two to be that amplitude is fixed for it, cannot meet and select different best amplitude, to realize the requirement of best efficiency of construction for different geological conditions during use.Therefore, more suitable oscillating machinery should be selected when inserting concrete prefabricated parts in the present invention.In view of above-mentioned structural protective system traditional at present and traditional pile-sinking method, the present invention selects eccentric moment variant-frequency vibration to hammer into shape and implements in five axle cement mixing methods, to insert concrete prefabricated parts to form novel retaining design, and is optimized and refinement the flow process of this system of construction.Concrete prefabricated parts is undertaken by the inventive method that pile sinking can ensure that noise in work progress is low, speed fast, adaptable to various soil layer.The most important thing is can to ensure in work progress that construction machinery normally uses and the integrality of concrete prefabricated parts.Utilize five axle cement mixing methods to enter to insert concrete prefabricated element, to form structural protective system, there is the advantages such as price is low, speed of application is fast, member integrity is good, environment-friendly and green.
Summary of the invention
The object of this invention is to provide that one exempts from resonance, stepless frequency conversion noise is low, the precast member for reinforcing bar concrete (H type, T-shaped, I shape, Back Word type etc.) little to ambient influnence implants the construction forming retaining design in five axle cement mixing methods.
The present invention is achieved through the following technical solutions:
A construction for novel structural protective system and minimizing vibration, described novel retaining design comprises five axle cement mixing methods, precast unit, and described sinking apparatus is five axle cement-soil mixing pile devices and eccentric moment variant-frequency vibration hammer.
Its five drilling rods of five described axle cement-soil mixing pile devices are connected with five spray pumps, whitewash simultaneously, do not inflate in whitewashing process; Being set to of mouth spray is whitewashed up and down, opens the valve of closing mouth spray by the rotating forward reversion of drilling rod.
The sinking apparatus that described construction method adopts is eccentric moment variant-frequency vibration hammer; this kind of hammer has the stepless adjustable feature of moment, can avoid covibration when starting and shut down, and is conducive to reducing vibration wave; protection concrete prefabricated parts from destruction, and then to reduce in the impact of surrounding enviroment.
Described construction comprises the following steps:
(1) to construct five axle cement mixing methods;
(2) select suitable crawler crane also to hang the eccentric moment variable-frequency electric conformed to engine request and drive vibrating hammer;
(3) special fixture on vibrating hammer is utilized to be sling by prefabricated units to pile sinking position;
(4) Torque-adjusting size hydraulic control;
(5) unlatching motor frequency conversion frequency is regulated;
(6) open before eccentric moment variable-frequency electric drives vibrating hammer coagulation phenomena at the beginning of five axle agitation piles do not reach and insert prefabricated units;
(7), after concrete prefabricated parts sinks to and specifies absolute altitude, relieving fixture completes the operation of this root pile sinking and proceeds to the construction of next root concrete prefabricated parts.
The present invention adopts technique scheme, and compared with prior art tool has the following advantages:
1, efficiency of construction of the present invention is high, has significantly promote than traditional pile-sinking method in speed of application and complexity.
2, present invention greatly reduces hazard of vibration, protect while pile frame machinery runs well and decrease resonance to concrete prefabricated parts destruction, reduce the impact on surrounding enviroment simultaneously.
3, the present invention is more intelligent controlled than traditional handicraft, is equipped with variable-frequency motor, simple to operate and can adapt to the pile sinking requirement of different soil.
4, select five axle cement mixing methods as water-stop curtain and utilize prefabricated units to keep off the novel structural protective system of soil, construction costs is low, speed of application is fast, quality is good, environment-friendly and green.
Accompanying drawing explanation
Fig. 1 five axle Soil-cement Wall construction machinery forms schematic diagram;
1, mast, 2, five axle drilling rods, 3, bikini pile frame, 4, backstage mixes slurry system, 5, unit head
Fig. 2 is the concrete prefabricated element space enclosing structure schematic diagram adopting eccentric moment adjustable vibrating hammer to sink to
6,8,10,12-concrete prefabricated element, 7,9,11,13-Soil-cement pile water stopping curtain;
Fig. 3 is the construction schematic diagram adopting eccentric moment adjustable vibrating hammer to implant concrete prefabricated parts;
Detailed description of the invention
In order to make invention technical problem to be solved, technical scheme and beneficial effect clearly, understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that the specific embodiment saying description is herein only for explaining the present invention, is not intended to limit the present invention.
As shown in Figure 1, eccentric moment adjustable vibrating hammer of the present invention.Can be used for concrete prefabricated element and sink to construction.
As shown in Figure 2, according to place situation, can concrete prefabricated element be sunk in soil or in Soil-cement soil, as bracing of foundation pit primary structure member.
Composition graphs 3, when the present invention is applied in soil or agitation pile is implanted into concrete component, its Specific construction flow process is:
1, to construct five axle cement mixing methods;
2, select suitable crawler crane also to hang the eccentric moment variable-frequency electric conformed to engine request and drive vibrating hammer;
3, special fixture on vibrating hammer is utilized to be sling by prefabricated units to pile sinking position;
4, open eccentric moment variable-frequency electric to drive vibrating hammer prefabricated units are inserted agitation pile;
5, after concrete prefabricated parts sinks to and specifies absolute altitude, relieving fixture completes the operation of this root pile sinking and proceeds to the construction of next root concrete prefabricated parts.
Claims (4)
1. the construction of a novel structural protective system and minimizing vibration, it is characterized in that, described novel retaining design comprises five axle cement mixing methods, precast unit, and described sinking apparatus is five axle cement-soil mixing pile devices and eccentric moment variant-frequency vibration hammer.
2. the construction of a kind of novel structural protective system according to claim 1 and minimizing vibration, it is characterized in that, its five drilling rods of five described axle cement-soil mixing pile devices are connected with five spray pumps, whitewash simultaneously, do not inflate in whitewashing process; Being set to of mouth spray is whitewashed up and down, opens the valve of closing mouth spray by the rotating forward reversion of drilling rod.
3. the construction of a kind of novel structural protective system according to claim 1 and minimizing vibration; it is characterized in that; the sinking apparatus that described construction method adopts is eccentric moment variant-frequency vibration hammer; this kind of hammer has the stepless adjustable feature of moment; covibration can be avoided when starting and shut down; be conducive to reducing vibration wave, protection concrete prefabricated parts from destruction, and then to reduce in the impact of surrounding enviroment.
4. the construction of a kind of novel structural protective system according to claim 1 and minimizing vibration, it is characterized in that, described construction comprises the following steps:
(1) to construct five axle cement mixing methods;
(2) select suitable crawler crane also to hang the eccentric moment variable-frequency electric conformed to engine request and drive vibrating hammer;
(3) special fixture on vibrating hammer is utilized to be sling by prefabricated units to pile sinking position;
(4) Torque-adjusting size hydraulic control;
(5) unlatching motor frequency conversion frequency is regulated;
(6) open before eccentric moment variable-frequency electric drives vibrating hammer coagulation phenomena at the beginning of five axle agitation piles do not reach and insert prefabricated units;
(7), after concrete prefabricated parts sinks to and specifies absolute altitude, relieving fixture completes the operation of this root pile sinking and proceeds to the construction of next root concrete prefabricated parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310613083.7A CN104674820A (en) | 2013-11-27 | 2013-11-27 | Novel surrounding structure system and construction method for reducing vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310613083.7A CN104674820A (en) | 2013-11-27 | 2013-11-27 | Novel surrounding structure system and construction method for reducing vibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104674820A true CN104674820A (en) | 2015-06-03 |
Family
ID=53310367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310613083.7A Pending CN104674820A (en) | 2013-11-27 | 2013-11-27 | Novel surrounding structure system and construction method for reducing vibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104674820A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2658220Y (en) * | 2003-07-15 | 2004-11-24 | 饶之帆 | Cement soil compound pile with abnormal concrete |
| CN2659964Y (en) * | 2003-01-08 | 2004-12-01 | 北京嘉兴裕隆贸易有限公司 | Eccentric moment regulatable viberating pile hammer linkage |
| CN101798810A (en) * | 2009-02-20 | 2010-08-11 | 上海强劲基础工程有限公司 | Cement-soil composite pile inserted into reinforced concrete core materials |
| CN102373710A (en) * | 2011-02-23 | 2012-03-14 | 上海城地建设发展有限公司 | Enclosing method for inserting pre-stressed centrifugal pipe pile (square pile) into three-axis (two-axis) cement mixing pile |
| CN102493438A (en) * | 2011-12-19 | 2012-06-13 | 上海城地建设发展有限公司 | Continuous multi-shaft cement mixing pile device and construction method |
| CN102535450A (en) * | 2012-01-17 | 2012-07-04 | 上海城地建设发展有限公司 | Five-axis cement-soil mixing pile device and construction method |
| JP2012246730A (en) * | 2011-05-31 | 2012-12-13 | Toda Constr Co Ltd | Method for constructing earth retaining wall |
| CN102900079A (en) * | 2011-07-25 | 2013-01-30 | 中冶交通工程技术有限公司 | High-frequency hydraulic vibratory construction method for cement-soil core-inserted combined pile |
-
2013
- 2013-11-27 CN CN201310613083.7A patent/CN104674820A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2659964Y (en) * | 2003-01-08 | 2004-12-01 | 北京嘉兴裕隆贸易有限公司 | Eccentric moment regulatable viberating pile hammer linkage |
| CN2658220Y (en) * | 2003-07-15 | 2004-11-24 | 饶之帆 | Cement soil compound pile with abnormal concrete |
| CN101798810A (en) * | 2009-02-20 | 2010-08-11 | 上海强劲基础工程有限公司 | Cement-soil composite pile inserted into reinforced concrete core materials |
| CN102373710A (en) * | 2011-02-23 | 2012-03-14 | 上海城地建设发展有限公司 | Enclosing method for inserting pre-stressed centrifugal pipe pile (square pile) into three-axis (two-axis) cement mixing pile |
| JP2012246730A (en) * | 2011-05-31 | 2012-12-13 | Toda Constr Co Ltd | Method for constructing earth retaining wall |
| CN102900079A (en) * | 2011-07-25 | 2013-01-30 | 中冶交通工程技术有限公司 | High-frequency hydraulic vibratory construction method for cement-soil core-inserted combined pile |
| CN102493438A (en) * | 2011-12-19 | 2012-06-13 | 上海城地建设发展有限公司 | Continuous multi-shaft cement mixing pile device and construction method |
| CN102535450A (en) * | 2012-01-17 | 2012-07-04 | 上海城地建设发展有限公司 | Five-axis cement-soil mixing pile device and construction method |
Non-Patent Citations (1)
| Title |
|---|
| 蔡绍琚: "液压控制式变频变矩高频振动桩锤", 《建筑机械》 * |
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Application publication date: 20150603 |
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