CN110146653A - A kind of simulator and application method of liquidation curing sludge underwater casting - Google Patents

A kind of simulator and application method of liquidation curing sludge underwater casting Download PDF

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Publication number
CN110146653A
CN110146653A CN201910454757.0A CN201910454757A CN110146653A CN 110146653 A CN110146653 A CN 110146653A CN 201910454757 A CN201910454757 A CN 201910454757A CN 110146653 A CN110146653 A CN 110146653A
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CN
China
Prior art keywords
curing sludge
liquidation
water
curing
water sample
Prior art date
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Pending
Application number
CN201910454757.0A
Other languages
Chinese (zh)
Inventor
朱伟
侯豪
李云全
吴思麟
王飞龙
崔岩
刘既明
赵笛
吴勇
尤星宇
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Hohai University HHU
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Hohai University HHU
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Filing date
Publication date
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Priority to CN201910454757.0A priority Critical patent/CN110146653A/en
Publication of CN110146653A publication Critical patent/CN110146653A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B1/00Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/38Diluting, dispersing or mixing samples
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/20Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0016Tensile or compressive
    • G01N2203/0019Compressive
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0025Shearing

Abstract

The invention discloses the simulators and application method of a kind of liquidation curing sludge underwater casting, including pressure injecting device, mud filter, column shape container pours pipeline, water sample withdrawal device and curing sludge collector, cover board is connected at the top of column shape container, mud filter is embedded on cover board, bottom is connected with curing sludge collector, and inside is equipped with and pours pipeline;The top for pouring pipeline is communicated with the hole of mud filter bottom, and bottom is inserted into curing sludge collector;Mud filter is built-in with pressure injecting device;Water sample withdrawal device includes shell, handle and piston, and handle is connected with piston, and water sample withdrawal device is inserted into water column, in the water sample for pouring while acquiring by water sample withdrawal device different depth in water column, carries out water quality monitoring.The present invention can simulate liquidation curing sludge and pour the underwater casting of material, influence of the research underwater casting to surrounding water and test the mechanical property feature of curing sludge underwater confining pressure maintenance, it is operational and highly-safe, applicability is wide, and work efficiency is high.

Description

A kind of simulator and application method of liquidation curing sludge underwater casting
Technical field
The present invention relates to a kind of simulator of curing sludge underwater casting and application method more particularly to a kind of liquidations The simulator and application method of curing sludge underwater casting.
Background technique
China was administered in black-odor riverway in recent years, was produced in the engineerings such as river and lake comprehensive treatment and ocean dredging a large amount of Waste silt, and the example that progress fill material utilizes after sludge solidification is handled is more, also at the master for solving mud outlet Want one of mode.Recently, it is backfilled, in addition to roller compaction construction after by sludge solidification in land, using curing sludge in water Under the engineering demand that fills it is gradually prominent.Such as in Dalian Bay traffic engineering over strait just in the design, can discuss benefit The mud generated is excavated with immersed tube tunnel to be used to fill man-made island;The mud for wishing that dredging generates there are also lake can pass through Man-made island is filled in the body of lake to solve the problem of outlet of mud.Different from land reclamation, the material of underwater placement is not because can Roller compaction construction is carried out, if filled solidification or dewatered sludge in water under the construction technology without rolling, is generally difficult full Intensity and deformation requirements of the foot as foundation material.Under this operating condition, the cured technique of liquidation becomes common method.Also It is the state that mud and curing materials are mixed into ready-mixed concrete, carries out pouring the method used under water, such as the name of Japan International airport and Haneda Airport D runway are by the conduct after liquidation curing process of the dredging silt near sea area in the middle part of ancient room Man-made island soil material carries out underwater casting construction and is formed.
The curing sludge underwater casting in China has a extensive future, but more existing pours device and test method is mainly needle To concrete pouring construction design, the underwater casting of liquidation curing sludge can not be simulated completely, and can not realize In the mechanical property experiment for pouring while carrying out to water quality real-time monitoring and the underwater confining pressure maintenance of curing sludge.
Summary of the invention
Goal of the invention: it is an object of the present invention to provide a kind of simulator of liquidation curing sludge underwater casting and users Method, can simulate the underwater casting of liquidation curing sludge, while realize water quality monitoring and the underwater confining pressure maintenance of curing sludge Mechanical property experiment.
Technical solution: the present invention includes pressure injecting device, mud filter, and column shape container pours pipeline and curing sludge collector, institute It states and is connected with cover board at the top of column shape container, mud filter is embedded on cover board, column shape container bottom is connected with curing sludge collection Device, inside are equipped with and pour pipeline;The top for pouring pipeline is communicated with the hole of mud filter bottom, and bottom is inserted into curing sludge and is received In storage;The mud filter is built-in with pressure injecting device.
It further include water sample withdrawal device, the water sample withdrawal device includes shell, handle and piston, the handle and piston It is connected, water sample withdrawal device is inserted into water column, acquires the water of different depth in water column by water sample withdrawal device while pouring Sample carries out water quality monitoring.
The water sample withdrawal device can be inserted into the water inside column shape container by the preformed hole on column shape container cover board, The water sample for acquiring different depth in water column by water sample withdrawal device while pouring, carries out water quality monitoring.
The curing sludge collector bottom is fixed with pedestal.
The column shape container passes through flange respectively and connect with cover board and curing sludge collector.
The pressure injecting device uses metal material.
A kind of application method of the simulator of the liquidation curing sludge underwater casting, comprising the following steps:
1) mud and curing materials are stirred into liquidation curing sludge according to trial scale and pours material, and be transferred to storage In mud device;
2) water is injected into column shape container, for simulating underwater casting condition;
3) with pressure injecting device by liquidation curing sludge pour material from mud filter by pour pipeline be sent to solidification become silted up Mud collector;
4) water sample withdrawal device is inserted into water column, different depth in water column is acquired by water sample withdrawal device while pouring Water sample, carry out water quality monitoring;
5) detection that the curing sludge in curing sludge collector carries out related mechanical property after the test, is taken out.
The utility model has the advantages that the present invention, which can simulate liquidation curing sludge, pours the underwater casting of material, research underwater casting Influence to surrounding water and the mechanical property feature of curing sludge underwater confining pressure maintenance is tested, due to using solidification It is few to pour material, container is short, and operability and safety are easy to get guarantee, and multiple detachable, plug-in packages make device There is wide applicability, also greatly improve work efficiency, and is the underwater casting indoor simulation of liquidation curing sludge Research provides a kind of experimental provision.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is water sample sampler schematic of the invention.
Fig. 3 is top view of the present invention
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in Figure 1 to Figure 2, the present invention includes pressure injecting device 1, mud filter 2, and column shape container 3 pours pipeline 4, curing sludge Collector 5, pedestal 6, water sample withdrawal device 8.As shown in Figure 1, the top of column shape container 3 is equipped with cover board, cover board and container body it Between by flanged joint, 3 bottom of column shape container equally passes through flange and connect with curing sludge collector 5, and column shape container 3 is internal Hollow cylindrical structure, internal central location are equipped with and pour pipeline 4, pour pipeline 4 through entire column shape container 3, top Portion is concordant with the flange upper surface of 3 cover board of column shape container, and bottom is protruded into curing sludge collector 5.In the cover board of column shape container 3 It is provided with cylindrical notch, mud filter 2 is stuck in 3 top of column shape container for being put into mud filter 2 by dotted line position as described in Figure 1 Cover board in, convenient for the disassembly, cleaning of mud filter 2.2 bottom of mud filter is provided with aperture, for by internal mud by pouring pipe Road 4 is sent into curing sludge collector 5.Mud filter 2 is built-in with pressure injecting device 1, and pressure injecting device 1 uses T-type structure, by metal material system At top exceeds the top edge of mud filter 2.Mud filter 2 uses cylindrical structure, is made of organic glass, and top is opened wide, Bottom opening, for pour pipeline 4 and be connected, pour in the bottom insertion curing sludge collector 5 of pipeline 4.Curing sludge The bottom of collector 5 is fixed by flange and pedestal 6, and the radius of support 6 is greater than the radius of column shape container 3.Column shape container 3, is poured It builds pipeline 4 and curing sludge collector 5 is made of organic glass.
As shown in Fig. 2, water sample withdrawal device 8 includes shell, handle 7 and piston 9, handle 7 is connected with piston 9, passes through handle 7 Mobile band piston 9 moves, to realize the extraction of water sample in casting process.Handle 7 uses T-type structure, and piston 9 is located at water sample The bottom of withdrawal device 8 when test, water sample withdrawal device 8 is inserted into the preformed hole 10 of 3 cover board of column shape container, which leans on The right side of 3 cover board of nearly column shape container, as shown in figure 3, by different deep in the acquisition water column of water sample withdrawal device 8 while pouring The water sample of degree carries out water quality monitoring.Shell is equivalent to container, and by its internal piston 9 of choosing upwards, piston 9 is embedded to be entered In container, vacuum environment is formed, to collect water sample.
A kind of application method of the simulator of liquidation curing sludge underwater casting, comprising the following steps:
1) mud and curing materials are stirred into according to trial scale by the liquidation with certain fluidity by blender Curing sludge pours material, and is transferred in mud filter, and the liquidation curing sludge being stirred should be immediately transferred to mud filter In, prevent the curing sludge being stirred from losing certain flow behavior, the reference diameter of mud filter is between 15cm-25cm, ginseng Height is examined between 25cm-30cm, appropriate replacement can be needed according to test;
2) a certain amount of water is injected into column shape container, for simulating underwater casting condition, the reference diameter of column shape container Between 15cm-25cm, reference altitude is between 150cm-200cm, and the diameter of column shape container is greater than pressure injecting device diameter.It can Appropriate replacement is needed according to test;
3) the liquidation curing sludge stirred evenly is poured into material from mud filter by installing in advance with pressure injecting device The pipeline that pours be sent in curing sludge collector, and curing sludge is made to be deposited to bottom, passes through pumping for the scene of simulating Liquidation curing sludge material is pumped into the process in seabed by mode, and the length for pouring pipeline can carry out more according to test demand It changes, it may be convenient to which simulation difference pours the underwater casting test of depth;
4) pin type water sample withdrawal device is inserted into water column by hole reserved at the top of column shape container, passes through the mobile water sample of handle Piston inside withdrawal device acquires the water sample of different depth in water column while pouring by water sample withdrawal device, carries out water quality Monitoring,, will not be to water body since sample withdrawal device is very thin including pH value, turbidity and the measurement of content of beary metal etc. to water sample Generate additional disturbance, in casting process, the rate of hydroxide ion and heavy metal ion diffusion is more slow, therefore different deep PH value and heavy metal concentration at degree is different, in addition, turbidity can different cause, positioned at pouring pipeline opening position water below Turbidity can be significantly hotter than be located at pour pipeline opening position or more water turbidity;
5) flange in the bottom mouth is opened after corresponding test period, the curing sludge taken out in curing sludge collector carries out phase Close the detection of mechanical property, including unconfined compressive strength, structural yield stress, the test etc. of triple axis mode X-ray diffraction.
The present invention can simulate liquidation curing sludge underwater casting process, while can pass through water sampling device The water sample of different depth in casting process is obtained, analyzes liquidation curing sludge underwater casting pair by the detection to water sample The influence of surrounding water;Curing sludge can be taken out to the mechanical property test carried out under hydraulic pressure maintenance by flange in the bottom mouth. It is that one kind can simulate the influence of the underwater casting, underwater casting of liquidation curing sludge filling material to surrounding water simultaneously, The experimental provision of mechanical property test of the curing sludge under confining pressure maintenance.

Claims (7)

1. a kind of simulator of liquidation curing sludge underwater casting, which is characterized in that including pressure injecting device, mud filter, column Container pours pipeline and curing sludge collector, and cover board is connected at the top of the column shape container, storage mud is embedded on cover board Device, column shape container bottom are connected with curing sludge collector, and inside is equipped with and pours pipeline;The top for pouring pipeline and storage mud The hole of device bottom communicates, and bottom is inserted into curing sludge collector;The mud filter is built-in with pressure injecting device.
2. a kind of simulator of liquidation curing sludge underwater casting according to claim 1, which is characterized in that also wrap Water sample withdrawal device is included, the water sample withdrawal device includes shell, handle and piston, and the handle is connected with piston.
3. a kind of simulator of liquidation curing sludge underwater casting according to claim 2, which is characterized in that described Water sample withdrawal device can by the preformed hole on column shape container cover board be inserted into column shape container in.
4. a kind of simulator of liquidation curing sludge underwater casting according to claim 1, which is characterized in that described Curing sludge collector bottom be fixed with pedestal.
5. a kind of simulator of liquidation curing sludge underwater casting according to claim 1, which is characterized in that described Column shape container pass through flange respectively and connect with cover board and curing sludge collector.
6. a kind of simulator of liquidation curing sludge underwater casting according to claim 1, which is characterized in that described Pressure injecting device use metal material.
7. based on a kind of described in any item uses of the simulator of liquidation curing sludge underwater casting of claim 1~6 Method, which comprises the following steps:
1) mud and curing materials are stirred into liquidation curing sludge according to trial scale and pours material, and be transferred to mud filter In;
2) water is injected into column shape container, for simulating underwater casting condition;
3) with pressure injecting device by liquidation curing sludge pour material from mud filter by pour pipeline be sent to curing sludge receive Storage;
4) water sample withdrawal device is inserted into water column, acquires the water of different depth in water column by water sample withdrawal device while pouring Sample carries out water quality monitoring;
5) detection that the curing sludge in curing sludge collector carries out related mechanical property after the test, is taken out.
CN201910454757.0A 2019-05-29 2019-05-29 A kind of simulator and application method of liquidation curing sludge underwater casting Pending CN110146653A (en)

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Application Number Priority Date Filing Date Title
CN201910454757.0A CN110146653A (en) 2019-05-29 2019-05-29 A kind of simulator and application method of liquidation curing sludge underwater casting

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Application Number Priority Date Filing Date Title
CN201910454757.0A CN110146653A (en) 2019-05-29 2019-05-29 A kind of simulator and application method of liquidation curing sludge underwater casting

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111723327A (en) * 2020-06-12 2020-09-29 河海大学 Calculation method and system for flow value of freshly-mixed solidified sludge
CN113390733A (en) * 2021-05-07 2021-09-14 河海大学 Bridge column pile soaking section critical dynamic load damage experimental device and method

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CN106498935A (en) * 2016-11-09 2017-03-15 中冶建工集团有限公司 A kind of bored pile underwater concrete casting method
CN207571959U (en) * 2017-10-09 2018-07-03 匡敏 A kind of underwater concrete technique instructional device
CN108218317A (en) * 2018-01-19 2018-06-29 湖北工业大学 A kind of high-moisture percentage sullage solidifying method
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111723327A (en) * 2020-06-12 2020-09-29 河海大学 Calculation method and system for flow value of freshly-mixed solidified sludge
CN111723327B (en) * 2020-06-12 2023-10-03 河海大学 Calculation method and system for flow value of fresh-mixed solidified sludge
CN113390733A (en) * 2021-05-07 2021-09-14 河海大学 Bridge column pile soaking section critical dynamic load damage experimental device and method

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Application publication date: 20190820