Cement mixing pile construction quality detecting device and method
A technology for cement mixing piles and construction quality, which is applied in foundation structure engineering, foundation structure testing, construction, etc. It can solve the problems of inconvenient implementation of detection methods and achieve reliable detection results and easy implementation
Active Publication Date: 2019-08-16
HUAQIAO UNIVERSITY
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These methods have their advantages and disadvantages, and they are all indirect judgment methods, which can reflect the nature of the pile body in a certain aspect, but the implementation of the detection method is not simple enough.
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[0031] Please check Figure 1 to Figure 4 , a cement mixing pile construction quality detection device, it includes a long guide tube 10, a housing 20, a power supply and warning device 30, an air compressor 40, an air pressure monitoring device 50 and a vacuum machine 60, the housing 20 can be connected to the long guide tube The cylinder 10 is slidably connected and slides along the length direction of the long guide cylinder 10. The housing 20 has left and right two end sides and two peripheral sides respectively connected to the two ends. The peripheral side is insulated from the end side. A push body 70 and a plunger 80 are arranged in the housing, and the push body 70 forms a piston frictional sliding connection with the peripheral side, and the push body 70 can move similarly to a piston in the housing, and the push body 70 can be connected with the left, right, left, and right sides. The two ends of the right side are electrically connected, one end of the insertion ro...
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The invention discloses a cement mixing pile construction quality detecting device and method. A shell body of the device can be slidably connected with a long guide barrel, a pushing body and an inserting rod are arranged in the shell body, piston friction sliding connection is formed between the pushing body and the shell body, the pushing body can be electrically connected with the side of bothends of the shell body, one end of the inserting rod is fixed to the pushing body, and the other end of the inserting rod can movably stretch in and out of the shell body and the long guide barrel; and an electric conduction bump is fixedly arranged on the side, being back to the inserting rod, of the pushing body, the sides of the two ends of the shell body are electrically connected to a powersource negative electrode of a power supply and attention device, the pushing body is electrically connected to a power source positive electrode of the power supply and attention device, an air compressor and a vacuum machine communicate with the side, away from the inserting rod, of the pushing body inside the shell body, a air pressure monitoring device monitors air pressure inside the shell body, and a pulling rope is connected to the shell body. According to the method, the cement mixing pile construction quality detecting device is used for detecting the construction quality and has theadvantages of simple and convenient in implement and reliable in detecting result.
Description
technical field [0001] The invention relates to a construction quality inspection device and method for cement mixing piles. Background technique [0002] Cement mixing pile refers to an effective form of soft foundation treatment. It is a main agent that uses cement as a curing agent. The cement is sprayed into the soil by a mixing pile machine and fully stirred to make a series of physical and chemical reactions between the cement and the soil. , to harden the soft soil and improve the strength of the foundation. The cement mixing pile uses rotating mixing blades to forcibly mix the cement slurry pressed into the soft soil with the surrounding soft soil to form a mud reinforcement. During the mixing process, sometimes the nozzles of the mixing blades will be blocked, resulting in that the cement mixing pile cannot be mixed with cement locally, and then the strength is low, which becomes a defective part. This defect will affect the overall strength and bearing capacity of...
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IPC IPC(8): E02D33/00
CPCE02D33/00
Inventor 常方强梁康康
Owner HUAQIAO UNIVERSITY