A kind of detection method of anchor pull static load machine
An anchor pull static loader and detection method technology, which is applied in the direction of basic structure testing, construction, basic structure engineering, etc., can solve the problems of hindering the detection progress, increasing the pressure of urban transportation, and high transportation costs, so as to reduce the test cost , improve detection speed and efficiency, and solve technical problems
Active Publication Date: 2017-01-18
江西环球岩土科技有限公司
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Problems solved by technology
However, since the current standard concrete block is 2 tons each, the static load test of a pile body requires hundreds of concrete blocks, which not only seriously hinders the testing progress, but also has a huge number of concrete blocks and extremely high transportation costs, which increases urban transportation. pressure, thus seriously restricting the development of the pile foundation industry
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[0025] A method for detecting an anchor pull static loader is characterized in that it comprises the following steps:
[0026] Step 1: Leveling the test pile head, moving the static load machine with anchor pull, and aligning and positioning the test pile with the main loading cylinder;
[0027] Step 2: Start the swing mechanism and rotate the machine base;
[0028] Step 3: Find four locations suitable for drilling anchor piles, and use the electric anchor wire rod of the anchor pull static loader to locate the self-drilling anchor piles;
[0029] Step 4: Through the forward rotation of the power head of the anchor pulling static loader and the start of the pressurization chain to pressurize, the speed is synchronized with the drilling, so as to achieve the purpose of not destroying the soil layer, and drill the self-drilling anchor pile into the soil layer to achieve Complete the second, third and fourth self-drilling anchor piles in turn according to the predetermined depth...
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The invention relates to a detection method of an anchoring static load apparatus. The method includes the steps of 1, leveling a pile head and moving and positioning the anchoring static load apparatus; 2, starting a hydraulic leg; 3, positioning an electric anchoring screw; 4, driving a self-driving anchor pile into a formation through forward rotation of a power head; 5, connecting the top of the self-driving anchor pile to the bottom of the electric anchoring screw; 6, starting the electric anchoring screw to pre-draw the self-driving anchor pile and balance the anchoring static load apparatus; 7, starting a loading main cylinder of the anchoring static load apparatus to press a pile body; 8, collecting pile data, retracting the loading main cylinder and the electric anchoring screw, and withdrawing the self-driving anchor pile through reverse rotation of the power head of the anchoring static load apparatus; 9, repeating the steps 1 to 8, and performing static load detection of a next test pile. The technical problems of the existing pile static load tests are effectively solved; the blank in the worldwide pile foundation industry is blanked.
Description
technical field [0001] The invention relates to a detection method for building pile foundations, in particular to a detection method for an anchor pull static loader. Background technique [0002] At present, in the construction of the pile foundation industry, in order to check whether the design parameters of the pile body can reach the design bearing capacity, a static load test is required after the completion of the project construction. However, the current static load test method is to set a steel beam on the pile head On the load-bearing platform, concrete blocks are piled up, and then the platform is gradually lifted up by the jack placed on the pile head, so as to apply force to the pile body, and then judge whether the pile body meets the design requirements based on the bearing capacity and settlement of the single pile . However, since the current standard concrete block is 2 tons each, the static load test of a pile body requires hundreds of concrete blocks, ...
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IPC IPC(8): E02D33/00
CPCE02D27/12E02D33/00
Inventor 马春根曹开伟徐东辉曹端全马群
Owner 江西环球岩土科技有限公司