CN109761550B - C60 self-compaction concrete slump survey system - Google Patents
C60 self-compaction concrete slump survey system Download PDFInfo
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- CN109761550B CN109761550B CN201910197031.3A CN201910197031A CN109761550B CN 109761550 B CN109761550 B CN 109761550B CN 201910197031 A CN201910197031 A CN 201910197031A CN 109761550 B CN109761550 B CN 109761550B
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Abstract
The invention discloses a formula and application of C60 self-compacting concrete. Belongs to the technical field of concrete formula and application, and is easy to prepare the concrete for the super high-rise building; the slump constant of the concrete for the super high-rise building can be automatically measured easily. The formula of the C60 self-compacting concrete comprises the selection of raw materials, the determination of the mixing proportion and the control in the production process; the selection of the raw materials comprises: cement, coarse aggregate, fine aggregate, admixture and additive.
Description
Technical Field
The invention relates to the technical field of concrete formula and application, in particular to a formula and application of C60 self-compacting concrete.
Background
The quality of the concrete determines the quality of the engineering structure, so that the quality control of the reinforced concrete in the whole construction process is a very important task.
With the rising of urban super high-rise landmark buildings, the super high-rise buildings (more than 200 meters) have higher and higher requirements on the strength grade of concrete, and the building materials of the super high-rise buildings are generally C60 concrete. At present, the concrete formula and the application of the super high-rise building are still in a groping stage, and technical reference data of the concrete formula and the application of the super high-rise building are generally difficult to find, so that the concrete for the super high-rise building is difficult to prepare, and therefore, the concrete formula and the application which can carry out technical reference on the concrete formula and the application of the super high-rise building are very necessary to provide.
Disclosure of Invention
The invention provides a formula and application of C60 self-compacting concrete for solving the defect that the concrete for super high-rise buildings is not easy to prepare at present, and aims to prepare the concrete for super high-rise buildings easily; the second purpose is to automatically measure the slump of the concrete for the super high-rise building.
In order to achieve the purpose, the invention adopts the following technical scheme:
the formula and the application of the C60 self-compacting concrete, wherein the formula of the C60 self-compacting concrete comprises the selection of raw materials, the determination of the mixing proportion and the control in the production process;
the selection of the raw materials comprises:
(1) cement: adopting cement P.052.5, wherein the 28d flexural strength and the compressive strength of the cement are respectively 10.2MPa and 61.2MPa, and the setting time and the stability index both accord with the national standard;
(2) coarse aggregate: limestone macadam of 5.0-25.0mm is adopted, and the strength of parent rock is 112.0 MPa;
(3) fine aggregate: selecting medium sand meeting the requirements of the area II, wherein the fineness modulus is 2.5-2.9;
(4) blending materials: the admixture comprises coal ash powder and mineral powder, wherein the coal ash powder adopts II-grade coal ash powder, the apparent density is 2.3g/cm3, and the parameter is 20%; the mineral powder adopts S95 grade, and the mixing amount is 10 percent;
(5) additive: a polycarboxylic acid high-performance pumping agent with water reducing rate of 30.0%, slump loss of less than 20mm after 2h and good adaptability to cement is adopted;
(II) the determination of the mixing ratio comprises the following steps:
(6) determination of the test intensity: according to the concrete strength test evaluation standard mfcu is more than or equal to lambda 3. fcu.k, and mfcu is more than or equal to 1.1X 60 MPa; the preparation strength of the C60 self-compacting concrete is 72 MPa;
(7) determining the water-gel ratio: c60 self-sealing concrete water-cement ratio is 0.28-0.34; the single water consumption is 160 kg;
(8) determination of sand rate: c60 self-compacting concrete slump is controlled to be more than 200mm, and sand rate is controlled to be 36-40%;
(III) the control in the production process comprises:
(9) increasing the water content in the tested sand and stone and adjusting the construction mix proportion in time;
(10) stirring according to the mixing proportion strictly during production, carrying out open-disc concrete identification by a technician, and controlling the slump constant to be 200-230 mm when the concrete is taken out of the machine; tracking the concrete in the whole process and feeding back the condition of the concrete in time;
(11) the stirring time of the pumped concrete is prolonged by 30s compared with that of the common concrete, so that the admixture is fully reacted, and the concrete is stirred more uniformly;
(12) a laboratory is mostly used for making concrete compression-resistant test pieces, and the development condition of concrete strength is often known;
(13) water addition is strictly prohibited on site.
(IV) preparing before pouring concrete, comprising:
(14) technical quality personnel and construction units carry out technical background intersection;
(15) a quality supervision group is established to monitor the quality of the concrete in the whole process;
(16) controlling the raw materials for producing the concrete not to be lower than the quality requirement during fitting;
(17) and (4) appointing excellent operators and transporters to operate and transport.
(V) the later tracking of the concrete comprises the following steps:
(18) the construction method is required to carry out maintenance strictly according to the standard, and particularly the early heat preservation and moisture preservation maintenance is emphasized;
(19) the concrete is observed after being poured for 3 months, the color is consistent, the surface is smooth, the air holes are few, and no harmful cracks are generated;
(20) the standard culture test block has the average strength of 58.6MPa and 73.8Pa at 28 balances for 7 days.
By utilizing the double-doping technology, multiple mineral admixtures are superposed, the microporous structure of the set cement is effectively improved, the concrete is more compact, and the strength and the durability of the concrete are improved.
According to the technical requirements of ultrahigh building engineering, the scheme uses high-quality additives to achieve the purposes of reducing the water-cement ratio and improving the workability of the strength concrete. By mixing coal ash powder and mineral powder, the filling and activity effects are exerted, the workability and durability of concrete are improved, the self-compacting concrete capable of meeting the requirement of high-rise pumping C60 is prepared, and reference is provided for production and application of premixed concrete for super high-rise buildings. And the quality of the raw materials is controlled to be very important, the water cement ratio must be strictly ensured, and the guarantee of successful trial assembly is to pay attention to the workability of the concrete.
The slump testing system comprises a camera, an image processing module, a display, a memory, a microcontroller and a bottom plate, wherein a support is arranged on the bottom plate, and a first cylinder, a second cylinder and a third cylinder with telescopic links downward are respectively arranged on the support;
a lifting frame is arranged on a telescopic rod of the first air cylinder, a first slump measurement conical pipe, a second slump measurement conical pipe and a vertical slump measurement conical pipe are respectively and fixedly arranged on the lifting frame, and a pipe core line of the first slump measurement conical pipe, a pipe core line of the second slump measurement conical pipe and a pipe core line of the vertical slump measurement conical pipe are respectively and vertically arranged downwards; the cone bottom end of the first slump measurement conical pipe and the cone bottom end of the second slump measurement conical pipe are both arranged downwards; the lower pipe orifice of the first slump measurement conical pipe, the lower pipe orifice of the second slump measurement conical pipe and the lower pipe orifice of the vertical slump measurement conical pipe are all located on the same horizontal plane a; the upper pipe orifice of the first slump testing conical pipe, the upper pipe orifice of the second slump testing conical pipe and the upper pipe orifice of the vertical slump testing conical pipe are all located on the same horizontal plane b; a lifting frame positioned above the first slump measurement conical pipe is provided with a slurry separation cylinder, three slurry outlets of the slurry separation cylinder are respectively connected with a slurry conveying pipe, and lower ports of the three slurry conveying pipes are respectively arranged right above an upper pipe orifice of the first slump measurement conical pipe, right above an upper pipe orifice of the second slump measurement conical pipe and right above an upper pipe orifice of the vertical slump measurement conical pipe in a one-to-one vertical opposite interval manner;
a fourth cylinder with a telescopic rod horizontally arranged towards the left is arranged on a telescopic rod of the second cylinder, a first horizontal rotating motor is arranged on a telescopic rod of the fourth cylinder, a fifth cylinder with a telescopic rod arranged towards the front is arranged on a rotating shaft of the first horizontal rotating motor, a first vertical rotating motor is arranged on a telescopic rod of the fifth cylinder, and a plane measuring plate is fixedly connected to the rotating shaft of the first vertical rotating motor;
a telescopic rod of the third cylinder is provided with a sixth cylinder with a telescopic rod horizontally arranged towards the left, a telescopic rod of the sixth cylinder is provided with a second horizontal rotating motor, a rotating shaft of the second horizontal rotating motor is provided with a seventh cylinder with a telescopic rod arranged towards the front, a telescopic rod of the seventh cylinder is provided with a second vertical rotating motor, and a rotating shaft of the second vertical rotating motor is fixedly connected with a first measuring plate; three plane areas which are respectively matched and corresponding to the lower pipe orifice of the first slump measurement conical pipe, the lower pipe orifice of the second slump measurement conical pipe and the lower pipe orifice of the vertical slump measurement conical pipe in a one-to-one manner are arranged on the upper surface of the first measurement plate, and a plurality of salient points are arranged on the upper surface of the first measurement plate outside the three plane areas;
the control end of camera, image processing module, display, memory, the control end of a cylinder, the control end of No. two cylinders, the control end of No. three cylinders, the control end of No. four cylinders, the control end of No. five cylinders, the control end of No. six cylinders, the control end of No. seven cylinders, the control end of a horizontal rotation motor, the control end of a vertical rotation motor, the control end of a horizontal rotation motor and the control end of a vertical rotation motor are connected with microcontroller respectively.
Under the control of a microcontroller, the plane measuring plate is horizontally and closely arranged on the lower pipe orifice of the first slump measuring conical pipe, the lower pipe orifice of the second slump measuring conical pipe and the lower pipe orifice of the vertical slump measuring conical pipe in a clinging manner under the coordination of the second air cylinder, the fourth air cylinder, the fifth air cylinder, the first horizontal rotating motor and the first vertical rotating motor. Then the concrete is respectively sent into a first slump measurement conical tube from three grout outlets of the grout separating cylinder through three grout conveying tubes and filled, a second slump measurement conical tube and filled and a vertical slump measurement conical tube and filled. Then let the telescopic link of a cylinder upwards mention and all upwards mention slump survey circular cone pipe, No. two slump survey circular cone pipes and vertical slump survey circular cone pipe to make the concrete in the slump survey circular cone pipe, the concrete in No. two slump survey circular cone pipes and the concrete in the vertical slump survey circular cone pipe all flow out on the plane measurement board. Then the camera shoots, the picture shot by the camera is displayed on the display after being processed by the image processing module, and simultaneously the prestored comparison data is also displayed on the display for the user to refer to the slump of the concrete on the plane measuring plate of the horizontal plane.
Similarly, under the control of the microcontroller, the first measuring plate is horizontally and closely arranged on the lower pipe orifice of the first slump measuring conical pipe, the lower pipe orifice of the second slump measuring conical pipe and the lower pipe orifice of the vertical slump measuring conical pipe in a clinging manner under the coordination of the third air cylinder, the sixth air cylinder, the seventh air cylinder, the second horizontal rotating motor and the second vertical rotating motor. Then the concrete is respectively sent into a first slump measurement conical tube from three grout outlets of the grout separating cylinder through three grout conveying tubes and filled, a second slump measurement conical tube and filled and a vertical slump measurement conical tube and filled. Then let the telescopic link of a cylinder upwards mention and all upwards mention slump survey circular cone pipe, No. two slump survey circular cone pipes and vertical slump survey circular cone pipe to make the concrete in slump survey circular cone pipe, the concrete in No. two slump survey circular cone pipes and the concrete in vertical slump survey circular cone pipe all flow out to measuring panel on. Then the camera shoots, the picture shot by the camera is displayed on the display after being processed by the image processing module, and simultaneously the prestored comparison data is also displayed on the display for the user to refer to the slump of the concrete on the first measuring plate on the non-horizontal plane.
This scheme is easily to super high-rise building for the concrete automatic slump survey that carries on, intelligent degree of automation is high, good reliability, simple structure, convenient to use.
Preferably, each pulp conveying pipe is provided with an electromagnetic valve, and the control end of each electromagnetic valve is connected with the microcontroller. The electromagnetic valve is convenient and simple to use.
Preferably, the left end of the plane measuring plate and the left end of the first measuring plate are respectively provided with a material pouring closing-in. The concrete can be poured into the slurry separating cylinder from the pouring closing-in, and the use is convenient and simple.
The invention can achieve the following effects:
the invention firstly uses high-quality additive to achieve the purpose of reducing water-cement ratio and improving the workability of the concrete according to the technical requirements of ultrahigh building engineering. By mixing coal ash powder and mineral powder, the filling and activity effects are exerted, the workability and durability of concrete are improved, the self-compacting concrete capable of meeting the requirement of high-rise pumping C60 is prepared, and reference is provided for production and application of premixed concrete for super high-rise buildings. And the quality of the raw materials is controlled to be very important, the water cement ratio must be strictly ensured, and the guarantee of successful trial assembly is to pay attention to the workability of the concrete. Secondly, can carry out slump survey to the concrete is automatic, and intelligent degree of automation is high, and the good reliability, simple structure, convenient to use.
Drawings
Fig. 1 is a schematic view of a connection structure of the present invention.
Fig. 2 is a schematic block diagram of a circuit schematic connection structure of the present invention.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1, formulation and application of C60 self-compacting concrete, formulation of C60 self-compacting concrete includes selection of raw materials, determination of mixing ratio and control in production process;
the selection of the raw materials comprises:
(1) cement: adopting cement P.052.5, wherein the 28d flexural strength and the compressive strength of the cement are respectively 10.2MPa and 61.2MPa, and the setting time and the stability index both accord with the national standard;
(2) coarse aggregate: limestone macadam of 5.0-25.0mm is adopted, and the strength of parent rock is 112.0 MPa;
(3) fine aggregate: selecting medium sand meeting the requirements of the area II, wherein the fineness modulus is 2.5-2.9;
(4) blending materials: the admixture comprises coal ash powder and mineral powder, wherein the coal ash powder adopts II-grade coal ash powder, and the apparent density is 2.3g/cm3And the parameter is 20%; the mineral powder adopts S95 grade, and the mixing amount is 10 percent;
(5) additive: a polycarboxylic acid high-performance pumping agent with water reducing rate of 30.0%, slump loss of less than 20mm after 2h and good adaptability to cement is adopted;
(II) the determination of the mixing ratio comprises the following steps:
(6) determination of the test intensity: according to the concrete strength test evaluation standard mfcu is more than or equal to lambda 3. fcu.k, and mfcu is more than or equal to 1.1X 60 MPa; the preparation strength of the C60 self-compacting concrete is 72 MPa;
(7) determining the water-gel ratio: c60 self-sealing concrete water-cement ratio is 0.28-0.34; the single water consumption is 160 kg;
(8) determination of sand rate: c60 self-compacting concrete slump is controlled to be more than 200mm, and sand rate is controlled to be 36-40%;
(III) the control in the production process comprises:
(9) increasing the water content in the tested sand and stone and adjusting the construction mix proportion in time;
(10) stirring according to the mixing proportion strictly during production, carrying out open-disc concrete identification by a technician, and controlling the slump constant to be 200-230 mm when the concrete is taken out of the machine; tracking the concrete in the whole process and feeding back the condition of the concrete in time;
(11) the stirring time of the pumped concrete is prolonged by 30s compared with that of the common concrete, so that the admixture is fully reacted, and the concrete is stirred more uniformly;
(12) a laboratory is mostly used for making concrete compression-resistant test pieces, and the development condition of concrete strength is often known;
(13) water addition is strictly prohibited on site.
By utilizing the double-doping technology, multiple mineral admixtures are superposed, the microporous structure of the set cement is effectively improved, the concrete is more compact, and the strength and the durability of the concrete are improved.
According to the technical requirements of ultrahigh building engineering, the scheme uses high-quality additives to achieve the purposes of reducing the water-cement ratio and improving the workability of the strength concrete. By mixing coal ash powder and mineral powder, the filling and activity effects are exerted, the workability and durability of concrete are improved, the self-compacting concrete capable of meeting the requirement of high-rise pumping C60 is prepared, and reference is provided for production and application of premixed concrete for super high-rise buildings. And the quality of the raw materials is controlled to be very important, the water cement ratio must be strictly ensured, and the guarantee of successful trial assembly is to pay attention to the workability of the concrete.
a lifting frame 16 is arranged on a telescopic rod of the first air cylinder, a first slump measurement conical pipe 5, a second slump measurement conical pipe 12 and a vertical slump measurement conical pipe 9 are respectively and fixedly arranged on the lifting frame, and a pipe core line of the first slump measurement conical pipe, a pipe core line of the second slump measurement conical pipe and a pipe core line of the vertical slump measurement conical pipe are respectively and vertically arranged downwards; the cone bottom end of the first slump measurement conical pipe and the cone bottom end of the second slump measurement conical pipe are both arranged downwards; the lower pipe orifice of the first slump measurement conical pipe, the lower pipe orifice of the second slump measurement conical pipe and the lower pipe orifice of the vertical slump measurement conical pipe are all located on the same horizontal plane a; the upper pipe orifice of the first slump testing conical pipe, the upper pipe orifice of the second slump testing conical pipe and the upper pipe orifice of the vertical slump testing conical pipe are all located on the same horizontal plane b; a lifting frame positioned above the first slump measurement conical pipe is provided with a slurry separation cylinder 15, three slurry outlets of the slurry separation cylinder are respectively connected with a slurry conveying pipe, a lower port of a first slurry conveying pipe 7 is vertically and oppositely arranged above an upper pipe orifice of the first slump measurement conical pipe at intervals, a lower port of a second slurry conveying pipe 13 is vertically and oppositely arranged above an upper pipe orifice of the second slump measurement conical pipe at intervals, and a lower port of a third slurry conveying pipe 10 is vertically and oppositely arranged above an upper pipe orifice of the vertical slump measurement conical pipe at intervals;
a fourth cylinder 20 with a telescopic rod 19 horizontally arranged towards the left is arranged on a telescopic rod of the second cylinder, a first horizontal rotating motor 23 is arranged on the telescopic rod of the fourth cylinder, a fifth cylinder 25 with a telescopic rod 26 arranged towards the front is arranged on a rotating shaft 24 of the first horizontal rotating motor, a first vertical rotating motor 27 is arranged on the telescopic rod of the fifth cylinder, and a plane measuring plate 2 is fixedly connected to a rotating shaft 28 of the first vertical rotating motor;
a sixth air cylinder 31 with a telescopic rod 32 horizontally arranged towards the left is arranged on a telescopic rod of the third air cylinder, a second horizontal rotating motor 34 is arranged on the telescopic rod of the sixth air cylinder, a seventh air cylinder 36 with a telescopic rod 35 arranged towards the front is arranged on a rotating shaft 33 of the second horizontal rotating motor, a second vertical rotating motor 38 is arranged on the telescopic rod of the seventh air cylinder, and a first measuring plate 39 is fixedly connected to a rotating shaft 37 of the second vertical rotating motor; three plane areas 40 which are respectively matched and corresponding to the lower pipe orifice of the first slump measurement conical pipe, the lower pipe orifice of the second slump measurement conical pipe and the lower pipe orifice of the vertical slump measurement conical pipe in a one-to-one manner are arranged on the upper surface of the first measurement plate, and a plurality of salient points 41 are arranged on the upper surface of the first measurement plate outside the three plane areas;
the control end of camera, image processing module, display 44, memory 45, the control end of a cylinder, the control end of No. two cylinders, the control end of No. three cylinders, the control end of No. four cylinders, the control end of No. five cylinders, the control end of No. six cylinders, the control end of No. seven cylinders, the control end of a horizontal rotation motor, the control end of a vertical rotation motor, the control end of a horizontal rotation motor and the control end of a vertical rotation motor are connected with microcontroller respectively.
An electromagnetic valve 8 is arranged on the first slurry conveying pipe, an electromagnetic valve 14 is arranged on the second slurry conveying pipe, an electromagnetic valve 11 is arranged on the third slurry conveying pipe, and the control end of each electromagnetic valve is respectively connected with the microcontroller.
And the left end of the plane measuring plate and the left end of the first measuring plate are respectively provided with a material pouring closing-in 3.
Under the control of a microcontroller, the plane measuring plate is horizontally and closely arranged on the lower pipe orifice of the first slump measuring conical pipe, the lower pipe orifice of the second slump measuring conical pipe and the lower pipe orifice of the vertical slump measuring conical pipe in a clinging manner under the coordination of the second air cylinder, the fourth air cylinder, the fifth air cylinder, the first horizontal rotating motor and the first vertical rotating motor. Then the concrete is respectively sent into a first slump measurement conical tube from three grout outlets of the grout separating cylinder through three grout conveying tubes and filled, a second slump measurement conical tube and filled and a vertical slump measurement conical tube and filled. Then let the telescopic link of a cylinder upwards mention and all upwards mention slump survey circular cone pipe, No. two slump survey circular cone pipes and vertical slump survey circular cone pipe to make the concrete in the slump survey circular cone pipe, the concrete in No. two slump survey circular cone pipes and the concrete in the vertical slump survey circular cone pipe all flow out on the plane measurement board. Then the camera shoots, the picture shot by the camera is displayed on the display after being processed by the image processing module, and simultaneously the prestored comparison data is also displayed on the display for the user to refer to the slump of the concrete on the plane measuring plate of the horizontal plane.
Similarly, under the control of the microcontroller, the first measuring plate is horizontally and closely arranged on the lower pipe orifice of the first slump measuring conical pipe, the lower pipe orifice of the second slump measuring conical pipe and the lower pipe orifice of the vertical slump measuring conical pipe in a clinging manner under the coordination of the third air cylinder, the sixth air cylinder, the seventh air cylinder, the second horizontal rotating motor and the second vertical rotating motor. Then the concrete is respectively sent into a first slump measurement conical tube from three grout outlets of the grout separating cylinder through three grout conveying tubes and filled, a second slump measurement conical tube and filled and a vertical slump measurement conical tube and filled. Then let the telescopic link of a cylinder upwards mention and all upwards mention slump survey circular cone pipe, No. two slump survey circular cone pipes and vertical slump survey circular cone pipe to make the concrete in slump survey circular cone pipe, the concrete in No. two slump survey circular cone pipes and the concrete in vertical slump survey circular cone pipe all flow out to measuring panel on. Then the camera shoots, the picture shot by the camera is displayed on the display after being processed by the image processing module, and simultaneously the prestored comparison data is also displayed on the display for the user to refer to the slump of the concrete on the first measuring plate on the non-horizontal plane.
This embodiment is easy to carry out slump survey to super high-rise building concrete is automatic, and intelligent degree of automation is high, good reliability, simple structure, convenient to use.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the implementation is not limited to the above-described embodiments, and those skilled in the art can make various changes or modifications within the scope of the appended claims.
Claims (3)
- The C60 self-compacting concrete slump measurement system is characterized by comprising a camera, an image processing module, a display, a memory, a microcontroller and a bottom plate, wherein a support is arranged on the bottom plate, and a first cylinder, a second cylinder and a third cylinder with telescopic links downward are respectively arranged on the support;a lifting frame is arranged on a telescopic rod of the first air cylinder, a first slump measurement conical pipe, a second slump measurement conical pipe and a vertical slump measurement conical pipe are respectively and fixedly arranged on the lifting frame, and a pipe core line of the first slump measurement conical pipe, a pipe core line of the second slump measurement conical pipe and a pipe core line of the vertical slump measurement conical pipe are respectively and vertically arranged downwards; the cone bottom end of the first slump measurement conical pipe and the cone bottom end of the second slump measurement conical pipe are both arranged downwards; the lower pipe orifice of the first slump measurement conical pipe, the lower pipe orifice of the second slump measurement conical pipe and the lower pipe orifice of the vertical slump measurement conical pipe are all located on the same horizontal plane a; the upper pipe orifice of the first slump testing conical pipe, the upper pipe orifice of the second slump testing conical pipe and the upper pipe orifice of the vertical slump testing conical pipe are all located on the same horizontal plane b; a lifting frame positioned above the first slump measurement conical pipe is provided with a slurry separation cylinder, three slurry outlets of the slurry separation cylinder are respectively connected with a slurry conveying pipe, and lower ports of the three slurry conveying pipes are respectively arranged right above an upper pipe orifice of the first slump measurement conical pipe, right above an upper pipe orifice of the second slump measurement conical pipe and right above an upper pipe orifice of the vertical slump measurement conical pipe in a one-to-one vertical opposite interval manner;a fourth cylinder with a telescopic rod horizontally arranged towards the left is arranged on a telescopic rod of the second cylinder, a first horizontal rotating motor is arranged on a telescopic rod of the fourth cylinder, a fifth cylinder with a telescopic rod arranged towards the front is arranged on a rotating shaft of the first horizontal rotating motor, a first vertical rotating motor is arranged on a telescopic rod of the fifth cylinder, and a plane measuring plate is fixedly connected to the rotating shaft of the first vertical rotating motor;a telescopic rod of the third cylinder is provided with a sixth cylinder with a telescopic rod horizontally arranged towards the left, a telescopic rod of the sixth cylinder is provided with a second horizontal rotating motor, a rotating shaft of the second horizontal rotating motor is provided with a seventh cylinder with a telescopic rod arranged towards the front, a telescopic rod of the seventh cylinder is provided with a second vertical rotating motor, and a rotating shaft of the second vertical rotating motor is fixedly connected with a first measuring plate; three plane areas which are respectively matched and corresponding to the lower pipe orifice of the first slump measurement conical pipe, the lower pipe orifice of the second slump measurement conical pipe and the lower pipe orifice of the vertical slump measurement conical pipe in a one-to-one manner are arranged on the upper surface of the first measurement plate, and a plurality of salient points are arranged on the upper surface of the first measurement plate outside the three plane areas;the control end of camera, image processing module, display, memory, the control end of a cylinder, the control end of No. two cylinders, the control end of No. three cylinders, the control end of No. four cylinders, the control end of No. five cylinders, the control end of No. six cylinders, the control end of No. seven cylinders, the control end of a horizontal rotation motor, the control end of a vertical rotation motor, the control end of a horizontal rotation motor and the control end of a vertical rotation motor are connected with microcontroller respectively.
- 2. The system for determining slump of C60 self-compacting concrete according to claim 1, wherein each grout pipe is provided with a solenoid valve, and a control end of each solenoid valve is connected with the microcontroller.
- 3. The slump determination system of C60 self-compacting concrete of claim 1, wherein a material pouring port is provided at each of the left end of the plane measurement plate and the left end of the first measurement plate.
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| CN112345410A (en) * | 2020-11-06 | 2021-02-09 | 河北建设集团股份有限公司 | Device capable of observing concrete slump abnormity in real time |
| CN112659376B (en) * | 2020-12-23 | 2022-03-04 | 上海市建筑科学研究院有限公司 | Intelligent regulation and control method and system for fluidity of concrete mixture of mixing plant |
| CN113933490A (en) * | 2021-10-12 | 2022-01-14 | 四川城市职业学院 | Concrete slump testing arrangement for construction |
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