CN110763822A - Experimental method and experimental device for recycling solidified dredged soil of river channel - Google Patents
Experimental method and experimental device for recycling solidified dredged soil of river channel Download PDFInfo
- Publication number
- CN110763822A CN110763822A CN201911054789.8A CN201911054789A CN110763822A CN 110763822 A CN110763822 A CN 110763822A CN 201911054789 A CN201911054789 A CN 201911054789A CN 110763822 A CN110763822 A CN 110763822A
- Authority
- CN
- China
- Prior art keywords
- dredged soil
- detecting
- experimental method
- base
- recycling
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
- G01N5/045—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder for determining moisture content
Abstract
The invention discloses an experimental method for recycling solidified dredged soil of a river channel, which comprises the following steps: step 1: sampling, namely uniformly distributing points of the dredged soil by adopting a grid mode; step 2: detecting the water content of the dredged soil, and 3: detecting harmful substances in the dredged soil; and 4, step 4: detecting the particle size of the dredged soil; and 5: detecting the compressive strength of the dredged soil; step 6: detecting the shear strength of the dredged soil; wherein, the water content detection in the step 2 adopts a drying quality measurement method to detect the water content of the dredged soil; the invention provides an experimental method for recycling solidified dredged soil of a river channel, which comprises the steps of detecting water content and harmful substances, and detecting particle size, compressive strength and shear strength, greatly improves the detection efficiency and detection effect of the experimental method for recycling solidified dredged soil of the river channel, and ensures the safety of recycling the solidified dredged soil of the river channel; the experimental device for recycling the solidified dredged soil in the river course is ingeniously designed, and is simple in structure, convenient to operate and high in detection efficiency.
Description
Technical Field
The invention belongs to the technical field of treatment of solidified dredged soil of a river channel, and particularly relates to an experimental method and an experimental device for recycling the solidified dredged soil of the river channel.
Background
Dredging is to dredge, widen or dig deep water areas such as rivers and lakes, and carry out underwater earth and stone excavation engineering by manpower or machinery.
Dredging in a broad sense includes reef blasting, beach blasting, and the like by an underwater explosion method. Manually cut off the small river of the construction of the broken flow. Various dredger are widely used for mechanical construction, and land construction machinery such as a cable shovel is sometimes used. Mechanical dredging started in 1600 years, and an rudiment of a chain bucket dredger appeared in the petty port construction in the netherlands.
China began construction with a dredger in Huangpu river in 1889. In 1929, a shipyard in the south of the Yangtze river resulted in a chain bucket dredger. In the early 80 s of the 20 th century, china possessed a mechanical dredging capability of excavating about 3 billionths of cubic meters in the year.
The dredging engineering is widely applied to ① digging new channels, ports and canals, ② dredging depth, widening and cleaning the existing channels and ports, ③ dredging channels and channels, reservoir dredging, ④ digging foundation pits of hydraulic buildings such as wharfs, docks and ship locks, ⑤ combining the dredging to carry out the engineering of dredger fill, land fill and the like, ⑥ clearing underwater obstacles.
At present, the commonly-mined sludge for river channel dredging is solidified to form solidified dredged soil, and the solidified dredged soil is treated and needs to be tested before being reused after being treated, however, the traditional test method is complex, the test device is complex, the test is inconvenient and the efficiency is low.
Disclosure of Invention
The invention aims to: in order to solve the technical problems pointed out in the background art, an experimental method and an experimental device for recycling solidified dredged soil in a river channel are provided.
The technical scheme adopted by the invention is as follows:
an experimental method for recycling solidified dredged soil in a river channel comprises the following steps:
step 1: sampling, namely uniformly distributing points of the dredged soil by adopting a grid mode;
step 2: detecting the water content of the dredged soil,
and step 3: detecting harmful substances in the dredged soil;
and 4, step 4: detecting the particle size of the dredged soil;
and 5: detecting the compressive strength of the dredged soil;
step 6: detecting the shear strength of the dredged soil;
wherein, the water content detection in the step 2 adopts a drying quality measurement method to detect the water content of the dredged soil.
Wherein, the water content in the step 2 is detected and simultaneously the dryness shrinkage of the dredged soil is detected; and measuring the volume change of the dredged soil at intervals in the drying process, and determining the dryness shrinkage index of the dredged soil.
And 3, detecting harmful substances in the step 3, wherein the content of heavy metals in the dredged soil is mainly detected.
Wherein, the detection of harmful substances in the step 3 comprises the detection of the content of metal cadmium, the detection of the content of metal cadmium is carried out by adopting a cadmium ion fluorescent probe,
in the step 4, the dried dredged soil is sieved by adopting a multi-stage particle sieve, and the particle size range and the content are determined.
And 5, determining the compressive strength in a vertical static pressure mode, wherein the sample size of the compressive strength of the dredged soil is 150 multiplied by 150 mm.
And 6, cutting off the shear strength by adopting a vertical staggered static pressure mode, wherein the size of the sample of the compressive strength of the dredged soil is 200 multiplied by 200 mm.
An experimental device for recycling solidified dredged soil in a river channel comprises a first base, wherein a vertical bracket is fixedly arranged at the right end of the first base, the first base is provided with a particle size scale, the vertical bracket is provided with a multi-stage particle sieve above the particle size scale, the top of the vertical support is provided with a drying rack, the drying rack comprises a first vertical rack, the top of the first vertical rack is provided with a first cross beam, spring tensiometers are symmetrically arranged at the left and the right of the bottom of the first cross beam, a drying disc is fixedly arranged at the bottom of the spring tensiometer, an electric heating disc is arranged in the middle of the drying disc, a first adjusting threaded rod is arranged in the middle of the first cross beam, the first cross beam is provided with a first screw nut corresponding to the first screw adjusting rod, the first adjusting screw rod is engaged with the first screw nut for transmission, a cadmium ion fluorescent probe is fixedly arranged at the bottom end of the first threaded adjusting rod, and an adjusting knob is arranged at the top end of the first threaded adjusting rod;
still include the second base, the second base setting is on vertical support right side, and the vertical support top corresponds the second base and is equipped with the second crossbeam, be equipped with the resistance to compression cushion cap on the second base, resistance to compression cushion cap top is equipped with the briquetting, be equipped with the compression testing machine who is connected with the briquetting on the second crossbeam, still be equipped with the anchor clamps that shear on the base, correspond the anchor clamps side that shear on the second crossbeam and be equipped with the shear block, be equipped with the compression testing machine who is connected with the shear block on the second crossbeam.
The shearing clamp comprises a lower clamp plate, the bottom end of the lower clamp plate is fixed on a second base through a clamp plate support, a guide rod is fixedly arranged on the side of the lower clamp plate, an upper clamp plate is sleeved at the top of the guide rod and can slide up and down along the guide rod, a second thread adjusting rod is arranged on the left side of the upper clamp plate, a second lead screw nut is arranged at the corresponding position of the upper clamp plate, the second thread adjusting rod is in meshing transmission with the second lead screw nut, the bottom end of the second thread adjusting rod is sleeved on a fixed bearing arranged at the corresponding position of the lower clamp plate, and a second adjusting knob is arranged at the top end of the second thread adjusting rod.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention provides an experimental method for recycling solidified dredged soil of a river channel, which covers the detection of water content and harmful substances and the detection of particle size, compressive strength and shear strength, greatly improves the detection efficiency and detection effect of the experimental method for recycling solidified dredged soil of the river channel, and ensures the safety of recycling solidified dredged soil of the river channel.
2. The water content detection adopts a drying quality measurement method to detect the water content of the dredged soil and simultaneously carry out the drying shrinkage detection on the dredged soil; the volume change of the dredged soil is measured at intervals in the drying process, and the dryness shrinkage index of the dredged soil is determined, so that the method is convenient, efficient and accurate.
3. The detection of harmful substances in the invention mainly detects the content of heavy metals in the dredged soil, in particular the content of metal cadmium, and the detection of the content of the metal cadmium is carried out by adopting a cadmium ion fluorescent probe, thus being convenient and efficient.
4. The experimental device for recycling the solidified dredged soil in the river course is ingeniously designed, and is simple in structure, convenient to operate and high in detection efficiency.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of a shear jig according to the present invention.
The labels in the figure are: 1. a first base; 2. weighing a frame; 3. weighing the particle size; 4. multi-stage grain screening; 5. an electric hot plate; 6. a drying tray; 7. a spring tension meter; 8. a first cross member; 9. a first adjusting threaded rod; 10. a first lead screw nut; 11. a cadmium ion fluorescent probe; 12. a first vertical frame; 13. a pressure testing machine; 14. briquetting; 15. a second cross member; 16. cutting blocks; 17. a shear jig; 18. a second base; 19. a compression-resistant bearing platform; 20. a vertical support; 21. a lower splint; 22. a splint support; 23. fixing the bearing; 24. a guide bar; 25. an upper splint; 26. a second adjustment knob; 27. a second feed screw nut; 28. and the second threaded adjusting rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In a first embodiment, referring to fig. 1-2, an experimental method for recycling solidified dredged soil in a river channel includes the following steps:
step 1: sampling, namely uniformly distributing points of the dredged soil by adopting a grid mode;
step 2: detecting the water content of the dredged soil,
and step 3: detecting harmful substances in the dredged soil;
and 4, step 4: detecting the particle size of the dredged soil;
and 5: detecting the compressive strength of the dredged soil;
step 6: and (5) detecting the shear strength of the dredged soil.
And 5, determining the compressive strength in a vertical static pressure mode, wherein the sample size of the compressive strength of the dredged soil is 150 multiplied by 150 mm.
And 6, cutting off the shear strength by adopting a vertical staggered static pressure mode, wherein the size of the dredged soil compressive strength sample is 200 multiplied by 200 mm.
An experimental device for recycling solidified dredged soil in a river channel comprises a first base (1), wherein a vertical support (20) is fixedly arranged at the right end of the first base (1), particle size scales (3) are arranged on the first base (1), the particle size scales (3) are fixed on the first base (1) through a scale frame (2), a multi-stage particle sieve (4) is arranged above the vertical support (20) corresponding to the particle size scales (3), a drying frame is arranged at the top of the vertical support (20), the drying frame comprises a first vertical frame (12), a first cross beam (8) is arranged at the top of the first vertical frame (12), spring tension meters (7) are arranged at the bottom of the first cross beam (8) in a bilateral symmetry manner, drying discs (6) are fixedly arranged at the bottom of the spring tension meters (7), electric heating discs (5) are arranged at the middle parts of the drying discs (6), and first adjusting threaded rods (9) are arranged at the middle parts of the first cross beam (8), the first cross beam (8) is provided with a first screw nut (10) corresponding to the first thread adjusting rod (9), the first adjusting threaded rod (9) is in meshing transmission with the first screw nut (10), a cadmium ion fluorescent probe (11) is fixedly arranged at the bottom end of the first thread adjusting rod (9), and an adjusting knob (9-1) is arranged at the top end of the first adjusting threaded rod (9);
still include second base (18), second base (18) set up on vertical support (20) right side, and vertical support (20) top corresponds second base (18) and is equipped with second crossbeam (15), be equipped with compression platform (19) on second base (18), compression platform (19) top is equipped with briquetting (14), be equipped with compression testing machine (13) of being connected with briquetting (14) on second crossbeam (15), still be equipped with shear fixture (17) on second base (18), correspond shear fixture (17) side on second crossbeam (15) and be equipped with and cut piece (16), be equipped with on second crossbeam (15) and cut compression testing machine (13) that piece (16) are connected.
Shear fixture (17) include lower plate (21), and lower plate (21) bottom is fixed on second base (18) through splint support (22), and lower frame plate (21) side is fixed and is equipped with guide bar (24), guide bar (24) top cover is equipped with punch holder (25), and punch holder (25) can be followed guide bar (24) and slided from top to bottom, punch holder (25) left side is equipped with second screw thread adjusting rod (28), and punch holder (25) correspond the position and set up second screw-nut (27), and second screw thread adjusting rod (28) and second screw-nut (27) meshing transmission, and second screw thread adjusting rod (28) bottom cover is equipped with second adjust knob (26) on fixing bearing (23) that lower plate (21) corresponds the position and set up, second screw thread adjusting rod (28) top.
In a second embodiment, referring to fig. 1-2, an experimental method for recycling solidified dredged soil in a river channel includes the following steps:
step 1: sampling, namely uniformly distributing points of the dredged soil by adopting a grid mode;
step 2: detecting the water content of the dredged soil,
and step 3: detecting harmful substances in the dredged soil;
and 4, step 4: detecting the particle size of the dredged soil;
and 5: detecting the compressive strength of the dredged soil;
step 6: and (5) detecting the shear strength of the dredged soil.
And 5, determining the compressive strength in a vertical static pressure mode, wherein the sample size of the compressive strength of the dredged soil is 150 multiplied by 150 mm.
And 6, cutting off the shear strength by adopting a vertical staggered static pressure mode, wherein the size of the dredged soil compressive strength sample is 200 multiplied by 200 mm.
An experimental device for recycling solidified dredged soil in a river channel comprises a first base (1), wherein a vertical support (20) is fixedly arranged at the right end of the first base (1), particle size scales (3) are arranged on the first base (1), the particle size scales (3) are fixed on the first base (1) through a scale frame (2), a multi-stage particle sieve (4) is arranged above the vertical support (20) corresponding to the particle size scales (3), a drying frame is arranged at the top of the vertical support (20), the drying frame comprises a first vertical frame (12), a first cross beam (8) is arranged at the top of the first vertical frame (12), spring tension meters (7) are arranged at the bottom of the first cross beam (8) in a bilateral symmetry manner, drying discs (6) are fixedly arranged at the bottom of the spring tension meters (7), electric heating discs (5) are arranged at the middle parts of the drying discs (6), and first adjusting threaded rods (9) are arranged at the middle parts of the first cross beam (8), the first cross beam (8) is provided with a first screw nut (10) corresponding to the first thread adjusting rod (9), the first adjusting threaded rod (9) is in meshing transmission with the first screw nut (10), a cadmium ion fluorescent probe (11) is fixedly arranged at the bottom end of the first thread adjusting rod (9), and an adjusting knob (9-1) is arranged at the top end of the first adjusting threaded rod (9);
still include second base (18), second base (18) set up on vertical support (20) right side, and vertical support (20) top corresponds second base (18) and is equipped with second crossbeam (15), be equipped with compression platform (19) on second base (18), compression platform (19) top is equipped with briquetting (14), be equipped with compression testing machine (13) of being connected with briquetting (14) on second crossbeam (15), still be equipped with shear fixture (17) on second base (18), correspond shear fixture (17) side on second crossbeam (15) and be equipped with and cut piece (16), be equipped with on second crossbeam (15) and cut compression testing machine (13) that piece (16) are connected.
Shear fixture (17) include lower plate (21), and lower plate (21) bottom is fixed on second base (18) through splint support (22), and lower frame plate (21) side is fixed and is equipped with guide bar (24), guide bar (24) top cover is equipped with punch holder (25), and punch holder (25) can be followed guide bar (24) and slided from top to bottom, punch holder (25) left side is equipped with second screw thread adjusting rod (28), and punch holder (25) correspond the position and set up second screw-nut (27), and second screw thread adjusting rod (28) and second screw-nut (27) meshing transmission, and second screw thread adjusting rod (28) bottom cover is equipped with second adjust knob (26) on fixing bearing (23) that lower plate (21) corresponds the position and set up, second screw thread adjusting rod (28) top.
The embodiment adds the following technical features on the basis of the first embodiment: and in the step 2, the water content is detected by adopting a drying quality measuring method.
In a third embodiment, referring to fig. 1-2, an experimental method for recycling solidified dredged soil in a river channel includes the following steps:
step 1: sampling, namely uniformly distributing points of the dredged soil by adopting a grid mode;
step 2: detecting the water content of the dredged soil,
and step 3: detecting harmful substances in the dredged soil;
and 4, step 4: detecting the particle size of the dredged soil;
and 5: detecting the compressive strength of the dredged soil;
step 6: and (5) detecting the shear strength of the dredged soil.
And 5, determining the compressive strength in a vertical static pressure mode, wherein the sample size of the compressive strength of the dredged soil is 150 multiplied by 150 mm.
And 6, cutting off the shear strength by adopting a vertical staggered static pressure mode, wherein the size of the dredged soil compressive strength sample is 200 multiplied by 200 mm.
An experimental device for recycling solidified dredged soil in a river channel comprises a first base (1), wherein a vertical support (20) is fixedly arranged at the right end of the first base (1), particle size scales (3) are arranged on the first base (1), the particle size scales (3) are fixed on the first base (1) through a scale frame (2), a multi-stage particle sieve (4) is arranged above the vertical support (20) corresponding to the particle size scales (3), a drying frame is arranged at the top of the vertical support (20), the drying frame comprises a first vertical frame (12), a first cross beam (8) is arranged at the top of the first vertical frame (12), spring tension meters (7) are arranged at the bottom of the first cross beam (8) in a bilateral symmetry manner, drying discs (6) are fixedly arranged at the bottom of the spring tension meters (7), electric heating discs (5) are arranged at the middle parts of the drying discs (6), and first adjusting threaded rods (9) are arranged at the middle parts of the first cross beam (8), the first cross beam (8) is provided with a first screw nut (10) corresponding to the first thread adjusting rod (9), the first adjusting threaded rod (9) is in meshing transmission with the first screw nut (10), a cadmium ion fluorescent probe (11) is fixedly arranged at the bottom end of the first thread adjusting rod (9), and an adjusting knob (9-1) is arranged at the top end of the first adjusting threaded rod (9);
still include second base (18), second base (18) set up on vertical support (20) right side, and vertical support (20) top corresponds second base (18) and is equipped with second crossbeam (15), be equipped with compression platform (19) on second base (18), compression platform (19) top is equipped with briquetting (14), be equipped with compression testing machine (13) of being connected with briquetting (14) on second crossbeam (15), still be equipped with shear fixture (17) on second base (18), correspond shear fixture (17) side on second crossbeam (15) and be equipped with and cut piece (16), be equipped with on second crossbeam (15) and cut compression testing machine (13) that piece (16) are connected.
Shear fixture (17) include lower plate (21), and lower plate (21) bottom is fixed on second base (18) through splint support (22), and lower frame plate (21) side is fixed and is equipped with guide bar (24), guide bar (24) top cover is equipped with punch holder (25), and punch holder (25) can be followed guide bar (24) and slided from top to bottom, punch holder (25) left side is equipped with second screw thread adjusting rod (28), and punch holder (25) correspond the position and set up second screw-nut (27), and second screw thread adjusting rod (28) and second screw-nut (27) meshing transmission, and second screw thread adjusting rod (28) bottom cover is equipped with second adjust knob (26) on fixing bearing (23) that lower plate (21) corresponds the position and set up, second screw thread adjusting rod (28) top.
The embodiment adds the following technical features on the basis of the first embodiment: detecting the water content in the step 2 and simultaneously detecting the drying shrinkage of the dredged soil; and measuring the volume change of the dredged soil at intervals in the drying process, and determining the dryness shrinkage index of the dredged soil.
In a fourth embodiment, referring to fig. 1-2, an experimental method for recycling solidified dredged soil in a river channel includes the following steps:
step 1: sampling, namely uniformly distributing points of the dredged soil by adopting a grid mode;
step 2: detecting the water content of the dredged soil,
and step 3: detecting harmful substances in the dredged soil;
and 4, step 4: detecting the particle size of the dredged soil;
and 5: detecting the compressive strength of the dredged soil;
step 6: and (5) detecting the shear strength of the dredged soil.
And 5, determining the compressive strength in a vertical static pressure mode, wherein the sample size of the compressive strength of the dredged soil is 150 multiplied by 150 mm.
And 6, cutting off the shear strength by adopting a vertical staggered static pressure mode, wherein the size of the dredged soil compressive strength sample is 200 multiplied by 200 mm.
An experimental device for recycling solidified dredged soil in a river channel comprises a first base (1), wherein a vertical support (20) is fixedly arranged at the right end of the first base (1), particle size scales (3) are arranged on the first base (1), the particle size scales (3) are fixed on the first base (1) through a scale frame (2), a multi-stage particle sieve (4) is arranged above the vertical support (20) corresponding to the particle size scales (3), a drying frame is arranged at the top of the vertical support (20), the drying frame comprises a first vertical frame (12), a first cross beam (8) is arranged at the top of the first vertical frame (12), spring tension meters (7) are arranged at the bottom of the first cross beam (8) in a bilateral symmetry manner, drying discs (6) are fixedly arranged at the bottom of the spring tension meters (7), electric heating discs (5) are arranged at the middle parts of the drying discs (6), and first adjusting threaded rods (9) are arranged at the middle parts of the first cross beam (8), the first cross beam (8) is provided with a first screw nut (10) corresponding to the first thread adjusting rod (9), the first adjusting threaded rod (9) is in meshing transmission with the first screw nut (10), a cadmium ion fluorescent probe (11) is fixedly arranged at the bottom end of the first thread adjusting rod (9), and an adjusting knob (9-1) is arranged at the top end of the first adjusting threaded rod (9);
still include second base (18), second base (18) set up on vertical support (20) right side, and vertical support (20) top corresponds second base (18) and is equipped with second crossbeam (15), be equipped with compression platform (19) on second base (18), compression platform (19) top is equipped with briquetting (14), be equipped with compression testing machine (13) of being connected with briquetting (14) on second crossbeam (15), still be equipped with shear fixture (17) on second base (18), correspond shear fixture (17) side on second crossbeam (15) and be equipped with and cut piece (16), be equipped with on second crossbeam (15) and cut compression testing machine (13) that piece (16) are connected.
Shear fixture (17) include lower plate (21), and lower plate (21) bottom is fixed on second base (18) through splint support (22), and lower frame plate (21) side is fixed and is equipped with guide bar (24), guide bar (24) top cover is equipped with punch holder (25), and punch holder (25) can be followed guide bar (24) and slided from top to bottom, punch holder (25) left side is equipped with second screw thread adjusting rod (28), and punch holder (25) correspond the position and set up second screw-nut (27), and second screw thread adjusting rod (28) and second screw-nut (27) meshing transmission, and second screw thread adjusting rod (28) bottom cover is equipped with second adjust knob (26) on fixing bearing (23) that lower plate (21) corresponds the position and set up, second screw thread adjusting rod (28) top.
The embodiment adds the following technical features on the basis of the first embodiment: detecting harmful substances in the step 3, wherein the content of heavy metals in the dredged soil is mainly detected; and 3, detecting harmful substances in the step 3 comprises detecting the content of metal cadmium, wherein the detection of the content of the metal cadmium is carried out by adopting a cadmium ion fluorescent probe.
In a fifth embodiment, referring to fig. 1-2, an experimental method for recycling solidified dredged soil in a river channel includes the following steps:
step 1: sampling, namely uniformly distributing points of the dredged soil by adopting a grid mode;
step 2: detecting the water content of the dredged soil,
and step 3: detecting harmful substances in the dredged soil;
and 4, step 4: detecting the particle size of the dredged soil;
and 5: detecting the compressive strength of the dredged soil;
step 6: and (5) detecting the shear strength of the dredged soil.
And 5, determining the compressive strength in a vertical static pressure mode, wherein the sample size of the compressive strength of the dredged soil is 150 multiplied by 150 mm.
And 6, cutting off the shear strength by adopting a vertical staggered static pressure mode, wherein the size of the dredged soil compressive strength sample is 200 multiplied by 200 mm.
An experimental device for recycling solidified dredged soil in a river channel comprises a first base (1), wherein a vertical support (20) is fixedly arranged at the right end of the first base (1), particle size scales (3) are arranged on the first base (1), the particle size scales (3) are fixed on the first base (1) through a scale frame (2), a multi-stage particle sieve (4) is arranged above the vertical support (20) corresponding to the particle size scales (3), a drying frame is arranged at the top of the vertical support (20), the drying frame comprises a first vertical frame (12), a first cross beam (8) is arranged at the top of the first vertical frame (12), spring tension meters (7) are arranged at the bottom of the first cross beam (8) in a bilateral symmetry manner, drying discs (6) are fixedly arranged at the bottom of the spring tension meters (7), electric heating discs (5) are arranged at the middle parts of the drying discs (6), and first adjusting threaded rods (9) are arranged at the middle parts of the first cross beam (8), the first cross beam (8) is provided with a first screw nut (10) corresponding to the first thread adjusting rod (9), the first adjusting threaded rod (9) is in meshing transmission with the first screw nut (10), a cadmium ion fluorescent probe (11) is fixedly arranged at the bottom end of the first thread adjusting rod (9), and an adjusting knob (9-1) is arranged at the top end of the first adjusting threaded rod (9);
still include second base (18), second base (18) set up on vertical support (20) right side, and vertical support (20) top corresponds second base (18) and is equipped with second crossbeam (15), be equipped with compression platform (19) on second base (18), compression platform (19) top is equipped with briquetting (14), be equipped with compression testing machine (13) of being connected with briquetting (14) on second crossbeam (15), still be equipped with shear fixture (17) on second base (18), correspond shear fixture (17) side on second crossbeam (15) and be equipped with and cut piece (16), be equipped with on second crossbeam (15) and cut compression testing machine (13) that piece (16) are connected.
Shear fixture (17) include lower plate (21), and lower plate (21) bottom is fixed on second base (18) through splint support (22), and lower frame plate (21) side is fixed and is equipped with guide bar (24), guide bar (24) top cover is equipped with punch holder (25), and punch holder (25) can be followed guide bar (24) and slided from top to bottom, punch holder (25) left side is equipped with second screw thread adjusting rod (28), and punch holder (25) correspond the position and set up second screw-nut (27), and second screw thread adjusting rod (28) and second screw-nut (27) meshing transmission, and second screw thread adjusting rod (28) bottom cover is equipped with second adjust knob (26) on fixing bearing (23) that lower plate (21) corresponds the position and set up, second screw thread adjusting rod (28) top.
The embodiment adds the following technical features on the basis of the first embodiment: in the step 4, the dried dredged soil is sieved by adopting a multi-stage particle sieve, and the particle size range and the content are determined.
The working principle of the invention is as follows: the sample is placed respectively on the stoving dish, on resistance to compression cushion cap and the shear fixture, place the sample on the stoving dish, dry the sample through the heating plate, utilize the spring dynamometer to measure the difference calculation water content before and after drying, utilize cadmium ion fluorescence probe simultaneously, carry out the detection of heavy metal cadmium, dry in addition and sieve through multistage grain sieve, and weigh the content of confirming different particle diameter ranges through the particle diameter balance, the sample of placing on resistance to compression cushion cap promotes the briquetting through compression testing machine and tests compressive strength, it cuts the sample to receive the drive of compression testing machine through the shearing piece, confirm shear strength, many times the experiment parameter of dredging soil is confirmed to the experimental mean value of getting the average value.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An experimental method for recycling solidified dredged soil of a river channel is characterized by comprising the following steps: the method comprises the following steps:
step 1: sampling, namely uniformly distributing points of the dredged soil by adopting a grid mode;
step 2: detecting the water content of the dredged soil,
and step 3: detecting harmful substances in the dredged soil;
and 4, step 4: detecting the particle size of the dredged soil;
and 5: detecting the compressive strength of the dredged soil;
step 6: and (5) detecting the shear strength of the dredged soil.
2. The experimental method for recycling of solidified dredged soil in river channels according to claim 1, wherein the experimental method comprises the following steps: and in the step 2, the water content is detected by adopting a drying quality measuring method.
3. The experimental method for recycling of solidified dredged soil in river channels according to claim 1, wherein the experimental method comprises the following steps: detecting the water content in the step 2 and simultaneously detecting the drying shrinkage of the dredged soil; and measuring the volume change of the dredged soil at intervals in the drying process, and determining the dryness shrinkage index of the dredged soil.
4. The experimental method for recycling of solidified dredged soil in river channels according to claim 1, wherein the experimental method comprises the following steps: and 3, detecting harmful substances in the step 3, wherein the content of heavy metals in the dredged soil is mainly detected.
5. The experimental method for recycling solidified dredged soil in river channels according to claim 4, wherein the experimental method comprises the following steps: and 3, detecting harmful substances in the step 3 comprises detecting the content of metal cadmium, wherein the detection of the content of the metal cadmium is carried out by adopting a cadmium ion fluorescent probe.
6. The experimental method for recycling of solidified dredged soil in river channels according to claim 1, wherein the experimental method comprises the following steps: in the step 4, the dried dredged soil is sieved by adopting a multi-stage particle sieve, and the particle size range and the content are determined.
7. The experimental method for recycling of solidified dredged soil in river channels according to claim 1, wherein the experimental method comprises the following steps: and 5, determining the compressive strength in a vertical static pressure mode, wherein the sample size of the compressive strength of the dredged soil is 150 multiplied by 150 mm.
8. The experimental method for recycling of solidified dredged soil in river channels according to claim 1, wherein the experimental method comprises the following steps: and 6, cutting off the shear strength by adopting a vertical staggered static pressure mode, wherein the size of the dredged soil compressive strength sample is 200 multiplied by 200 mm.
9. An experimental device for an experimental method for recycling solidified dredged soil in a river channel according to any one of claims 1 to 8, comprising a first base (1), wherein a vertical support (20) is fixedly arranged at the right end of the first base (1), particle size scales (3) are arranged on the first base (1) respectively, the particle size scales (3) are fixed on the first base (1) through a scale frame (2), a multi-stage particle screen (4) is arranged above the vertical support (20) corresponding to the particle size scales (3), a drying frame is arranged at the top of the vertical support (20), the drying frame comprises a first vertical frame (12), a first cross beam (8) is arranged at the top of the first vertical frame (12), spring tension meters (7) are symmetrically arranged at the left and right of the bottom of the first cross beam (8), a drying disc (6) is fixedly arranged at the bottom of the spring tension meters (7), and an electric heating disc (5) is arranged in the middle of the drying disc (6), a first adjusting threaded rod (9) is arranged in the middle of the first cross beam (8), a first lead screw nut (10) is arranged on the first cross beam (8) corresponding to the first thread adjusting rod (9), the first adjusting threaded rod (9) is in meshing transmission with the first lead screw nut (10), a cadmium ion fluorescent probe (11) is fixedly arranged at the bottom end of the first thread adjusting rod (9), and an adjusting knob (9-1) is arranged at the top end of the first adjusting threaded rod (9);
still include second base (18), second base (18) set up on vertical support (20) right side, and vertical support (20) top corresponds second base (18) and is equipped with second crossbeam (15), be equipped with compression platform (19) on second base (18), compression platform (19) top is equipped with briquetting (14), be equipped with compression testing machine (13) of being connected with briquetting (14) on second crossbeam (15), still be equipped with shear fixture (17) on second base (18), correspond shear fixture (17) side on second crossbeam (15) and be equipped with and cut piece (16), be equipped with on second crossbeam (15) and cut compression testing machine (13) that piece (16) are connected.
10. The assay device of claim 9, wherein: shear fixture (17) include lower plate (21), and lower plate (21) bottom is fixed on second base (18) through splint support (22), and lower frame plate (21) side is fixed and is equipped with guide bar (24), guide bar (24) top cover is equipped with punch holder (25), and punch holder (25) can be followed guide bar (24) and slided from top to bottom, punch holder (25) left side is equipped with second screw thread adjusting rod (28), and punch holder (25) correspond the position and set up second screw-nut (27), and second screw thread adjusting rod (28) and second screw-nut (27) meshing transmission, and second screw thread adjusting rod (28) bottom cover is equipped with second adjust knob (26) on fixing bearing (23) that lower plate (21) corresponds the position and set up, second screw thread adjusting rod (28) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911054789.8A CN110763822A (en) | 2019-10-31 | 2019-10-31 | Experimental method and experimental device for recycling solidified dredged soil of river channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911054789.8A CN110763822A (en) | 2019-10-31 | 2019-10-31 | Experimental method and experimental device for recycling solidified dredged soil of river channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110763822A true CN110763822A (en) | 2020-02-07 |
Family
ID=69335633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911054789.8A Pending CN110763822A (en) | 2019-10-31 | 2019-10-31 | Experimental method and experimental device for recycling solidified dredged soil of river channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110763822A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537343A (en) * | 2020-05-09 | 2020-08-14 | 金沙县奥克新型环保建材有限公司 | Detection device and detection method for environment-friendly building material bricks |
| CN117607399A (en) * | 2024-01-23 | 2024-02-27 | 安徽建工三建集团有限公司 | Detection device for exploring influence of curing agent on road base surface performance |
| CN117607399B (en) * | 2024-01-23 | 2024-05-03 | 安徽建工三建集团有限公司 | Detection device for exploring influence of curing agent on road base surface performance |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101153848A (en) * | 2007-10-10 | 2008-04-02 | 吉林大学 | Fluorescent ion probe and its application in ion detecting |
| CN102288472A (en) * | 2011-05-11 | 2011-12-21 | 吉林大学 | Simulated lunar soil for engineering and preparation process thereof |
| CN203396655U (en) * | 2013-08-19 | 2014-01-15 | 王文明 | Shearing instrument for detecting concrete compression strength |
| CN103537426A (en) * | 2013-09-30 | 2014-01-29 | 宁国市沙埠粮油加工厂 | Rapeseed screening equipment and rapeseed screening method |
| CN106064871A (en) * | 2016-06-01 | 2016-11-02 | 新奥科技发展有限公司 | Supercritical sludge treating system and processing method |
| CN106278920A (en) * | 2016-08-03 | 2017-01-04 | 河南大学 | Nitrilotriacetic acid Holmium complex as cadmium ion fluorescent probe and preparation method thereof |
| US20180128725A1 (en) * | 2016-11-07 | 2018-05-10 | Shaoxing University | Tester assembled by multiple sets of mechanisms for shear strength-scale effect of rock joint |
| CN108412080A (en) * | 2018-02-12 | 2018-08-17 | 天津城建大学 | Improve reinforcement connection structure, its construction method and the brick setting of brick setting globality |
| CN108745617A (en) * | 2018-07-04 | 2018-11-06 | 浦馨月 | A kind of aggregate screening processing unit |
| CN108760471A (en) * | 2018-06-15 | 2018-11-06 | 浙江大学 | A kind of measurement method and device of the particle adhesion layer shear strength of iron ore sintering |
| CN108760706A (en) * | 2018-06-08 | 2018-11-06 | 农业部环境保护科研监测所 | A kind of method of quick screening low cadmium-accumulation rice varieties |
| CN208254990U (en) * | 2018-06-19 | 2018-12-18 | 中交天津航道局有限公司 | A kind of test device tested for measuring dredging clay ball disintegration |
| CN208888065U (en) * | 2018-10-08 | 2019-05-21 | 赵金涛 | A kind of building materials intensity detecting device |
| CN110057660A (en) * | 2019-05-08 | 2019-07-26 | 敦煌研究院 | The earthen ruins building soil body-ruins this body interface mechanical behavior experimental rig and its application method |
-
2019
- 2019-10-31 CN CN201911054789.8A patent/CN110763822A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101153848A (en) * | 2007-10-10 | 2008-04-02 | 吉林大学 | Fluorescent ion probe and its application in ion detecting |
| CN102288472A (en) * | 2011-05-11 | 2011-12-21 | 吉林大学 | Simulated lunar soil for engineering and preparation process thereof |
| CN203396655U (en) * | 2013-08-19 | 2014-01-15 | 王文明 | Shearing instrument for detecting concrete compression strength |
| CN103537426A (en) * | 2013-09-30 | 2014-01-29 | 宁国市沙埠粮油加工厂 | Rapeseed screening equipment and rapeseed screening method |
| CN106064871A (en) * | 2016-06-01 | 2016-11-02 | 新奥科技发展有限公司 | Supercritical sludge treating system and processing method |
| CN106278920A (en) * | 2016-08-03 | 2017-01-04 | 河南大学 | Nitrilotriacetic acid Holmium complex as cadmium ion fluorescent probe and preparation method thereof |
| US20180128725A1 (en) * | 2016-11-07 | 2018-05-10 | Shaoxing University | Tester assembled by multiple sets of mechanisms for shear strength-scale effect of rock joint |
| CN108412080A (en) * | 2018-02-12 | 2018-08-17 | 天津城建大学 | Improve reinforcement connection structure, its construction method and the brick setting of brick setting globality |
| CN108760706A (en) * | 2018-06-08 | 2018-11-06 | 农业部环境保护科研监测所 | A kind of method of quick screening low cadmium-accumulation rice varieties |
| CN108760471A (en) * | 2018-06-15 | 2018-11-06 | 浙江大学 | A kind of measurement method and device of the particle adhesion layer shear strength of iron ore sintering |
| CN208254990U (en) * | 2018-06-19 | 2018-12-18 | 中交天津航道局有限公司 | A kind of test device tested for measuring dredging clay ball disintegration |
| CN108745617A (en) * | 2018-07-04 | 2018-11-06 | 浦馨月 | A kind of aggregate screening processing unit |
| CN208888065U (en) * | 2018-10-08 | 2019-05-21 | 赵金涛 | A kind of building materials intensity detecting device |
| CN110057660A (en) * | 2019-05-08 | 2019-07-26 | 敦煌研究院 | The earthen ruins building soil body-ruins this body interface mechanical behavior experimental rig and its application method |
Non-Patent Citations (2)
| Title |
|---|
| 史旦达 等: "固化疏浚土宏－微观力学特性室内试验研究", 《长江科学院院报》 * |
| 杨永荻 等: "疏浚土的固化处理技术", 《水运工程》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537343A (en) * | 2020-05-09 | 2020-08-14 | 金沙县奥克新型环保建材有限公司 | Detection device and detection method for environment-friendly building material bricks |
| CN117607399A (en) * | 2024-01-23 | 2024-02-27 | 安徽建工三建集团有限公司 | Detection device for exploring influence of curing agent on road base surface performance |
| CN117607399B (en) * | 2024-01-23 | 2024-05-03 | 安徽建工三建集团有限公司 | Detection device for exploring influence of curing agent on road base surface performance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10816448B2 (en) | Device for measuring strength and strain softening parameters of saturated clay sample based on full-flow penetration | |
| CN110130300B (en) | Method for determining characteristic value of bearing capacity of rammed/compacted fill layer by adopting shear wave velocity | |
| Matsuoka et al. | Development of a new in-situ direct shear test | |
| Marot et al. | Multichannel optical sensor to quantify particle stability under seepage flow | |
| Fleshman et al. | Constant gradient piping test apparatus for evaluation of critical hydraulic conditions for the initiation of piping | |
| CN110172959B (en) | In-situ soil body layered settlement monitoring device and method | |
| CN110763822A (en) | Experimental method and experimental device for recycling solidified dredged soil of river channel | |
| CN107401996B (en) | Silt detecting rod | |
| Colreavy et al. | Piezoball testing in soft lake sediments | |
| Demars et al. | Measurement of wave‐induced pressures and stresses in a sandbed | |
| Lim et al. | An improved rotating cylinder test design for laboratory measurement of erosion in clayey soils | |
| CN110658064A (en) | Device and method for acquiring optimal supporting force of tunnel fluid lining support in simulation mode | |
| CN110441165A (en) | A kind of soil-rock mixture live detachably direct shear test device and processing method | |
| CN207147454U (en) | Mud detection bar | |
| Skuodis et al. | Sand shearing peculiarities using direct shear device | |
| Reynolds et al. | 3.4. 2 Laboratory Methods | |
| CN110553954B (en) | Method for determining particle composition of ultra-large-particle-size giant soil | |
| Sespeñe et al. | Empirical factors for miniature cone and T-bar penetrometers for kaolin clay | |
| CN208239146U (en) | Underwater mud scum measures sampler | |
| Farrar et al. | Bureau of reclamation erosion testing for evaluation of piping and internal erosion of dams | |
| Chow et al. | Laboratory free falling penetrometer test into clay | |
| CN106225749B (en) | A kind of sampling tool quantitative determining oil spilling oil film thickness | |
| CN105004619A (en) | Freezing strength on-site fast detection device for backfill soil in frozen soil area | |
| CN108426746A (en) | Underwater mud scum measures sampler | |
| CN210834738U (en) | Concrete chloride ion content measurement equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20230228 |
|
| AD01 | Patent right deemed abandoned |