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A Method for Automatic Recognition of Mold Entry Temperature of Mass Concrete

A technology of mass concrete and mold entry temperature, which is applied to thermometers, thermometer applications, thermometer parts, etc., can solve the problems of time-consuming and laborious, and achieve the effect of reducing workload, improving measurement accuracy and convenient operation.

Active Publication Date: 2020-07-10
SHANGHAI CONSTRUCTION GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the time-consuming and labor-intensive problem of manually identifying the mold entry time of all pouring points in mass concrete construction, the present invention provides an automatic identification method for mass concrete mold entry temperature, which greatly improves work efficiency

Method used

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  • A Method for Automatic Recognition of Mold Entry Temperature of Mass Concrete
  • A Method for Automatic Recognition of Mold Entry Temperature of Mass Concrete
  • A Method for Automatic Recognition of Mold Entry Temperature of Mass Concrete

Examples

Experimental program
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Embodiment 1

[0041] Such as figure 1 As shown, a method for automatically identifying the mold entry temperature of large-volume concrete provided in this embodiment includes the following steps:

[0042] In the first step, after the mass concrete reinforcement binding and formwork are completed, the M A temperature measuring device is fixed in the steel mesh.

[0043] The temperature measuring device is used to measure the temperature of mass concrete, and several monitoring points are usually set up, and several temperature measuring devices are set along the concrete depth direction at each monitoring point.

[0044] In the second step, the temperature measuring device is connected to the data acquisition device, and the data acquisition device collects the temperature data of the temperature sensor according to a preset frequency, and transmits the data to the server.

[0045] The data acquisition device may be a plc controller or an intelligent instrument, etc., but of course it is ...

Embodiment 2

[0063] This embodiment is a preferred implementation of embodiment one, combining figure 2 and image 3 As shown, the temperature measuring device adopts a series temperature measuring device, and each of the series temperature measuring devices includes a number of temperature measuring devices 30 packaged on the data line 20 connected in series, and the temperature measuring device 30 includes a temperature Sensor 31 , thin-walled steel sleeve 32 , rubber pad 34 and heat shrinkable sleeve 35 . The data line 20 includes three core wires 22 encapsulated in the sheath 21, two of which are power supply lines and one is a data collection line, and the core wires of the data lines located at the temperature measuring device are parallel to the short horizontal bar. The sheath 21 of the data line 20 in the packaging part is disconnected, the three pins of the temperature sensor 31 are respectively connected to the three core wires 22 of the data line 20, and the thin-walled steel...

Embodiment 3

[0067] This embodiment is a preferred implementation of Embodiment 2. The series temperature measuring device is fixed on the temperature measuring device bracket. The device bracket is vertically placed in the reinforcement mesh according to the preset interval, and the support base is supported on the bottom reinforcement, and the vertical rod is fixed on the upper reinforcement.

[0068] combine Figure 4 to Figure 6 As shown, the temperature measuring device bracket 10 includes a support base 11 and a vertical bar 12 arranged on the support base 11, the support base 11 is hinged to the bottom end of the vertical bar 12, and the hinge point is close to one end of the support base 11; the vertical bar 12 is provided with several short crossbars 13 for fixing the series temperature measuring device at intervals.

[0069] Further, the two ends of the support base 11 are provided with downward convex edges, which can make the support base 11 better supported on the steel bar, ...

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Abstract

The invention discloses a method for automatically identifying the mold-entry temperature of large-volume concrete, which comprises the following steps: the first step is to place the M A temperature measuring device is fixed in the steel mesh; in the second step, the temperature measuring device is connected to the data acquisition device, and the data acquisition device collects the temperature data of the temperature sensor according to the preset frequency, and transmits the data to the server; the third step, according to Formula 1 and Formula 2, the preliminary judgment f j is the mold entry temperature; in the fourth step, according to formula 3, check and confirm f j Whether it is the mold entry temperature. The method can automatically calculate the concrete mold-introduction temperature and mold-introduction time at each temperature-measuring device according to a series of temperature data monitored by the temperature-measuring device, thereby greatly improving work efficiency.

Description

technical field [0001] The invention relates to a method for automatically identifying the mold entry temperature of large-volume concrete, which belongs to the technical field of large-volume concrete construction. Background technique [0002] Modern buildings often involve large-volume concrete construction, such as high-rise building foundations, large-scale equipment foundations, water conservancy dams, etc. The temperature of concrete entering the mold is an important parameter for the quality control of mass concrete. According to Article 4.3.6 of the "Concrete Quality Control Standard" (GB50164-92): "The temperature of the concrete mixture when it is transported to the pouring site should not exceed 35 °C, the minimum should not be lower than 5 °C". [0003] The mold entry temperature of mass concrete is affected by a series of factors such as mix ratio, transportation time, outdoor temperature, construction process, etc., and there is great uncertainty. The curren...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01K1/14G01K13/10
CPCG01K1/14G01K13/10
Inventor 龚剑李鑫奎黄玉林沈志勇王建红周向阳
Owner SHANGHAI CONSTRUCTION GROUP
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