5results about How to "Avoid uneven settlement" patented technology

The utility model discloses a kind of foundation structure and wind turbine generator set of wind turbine generator set, it is related to wind power generation technical field, wherein, foundation structure includes first bearing platform, second bearing platform, multiple bored piles and multiple anchor rods, the top surface of first bearing platform is connected with the connecting cylinder for connecting the tower cylinder of wind turbine generator set;Second bearing platform is set below first bearing platform, the top surface of second bearing platform projects the bottom surface of first bearing platform and forms step surface, the vertical projection of the bottom surface of first bearing platform in second bearing platform forms core area, the edge of second bearing platform forms the expansion area surrounded in core area;Multiple bored piles are distributed in core area with interval, each bored pile extends downward from the bottom surface of second bearing platform, and bored pile is vertically arranged;Multiple anchor rods are distributed in expansion area with interval, and anchor rod extends downward from the bottom surface of second bearing platform and is arranged with inclination.The foundation structure has good bearing capacity and stability, can guarantee the safety and stability of wind turbine generator set in long-term operation process.

The application discloses a dam foundation anti-seepage wall of a plain reservoir surrounding dam, which comprises a concrete outer layer, the inside of the concrete outer layer is sequentially provided with an adsorption layer, a water-resisting layer and a solid layer from right to left; the adsorption layer comprises a plurality of first sandstones and concrete, the plurality of first sandstones are longitudinally distributed on a plurality of longitudinal planes in the inside of the concrete outer layer, and the outer surfaces of the first sandstones are wrapped with water-absorbing layers; the water-resisting layer comprises a water-resisting film, the water-resisting film divides the inside of the concrete outer layer into two areas; the solid layer comprises a plurality of second sandstones and concrete, and the plurality of second sandstones are accumulated and distributed in the inside of the concrete outer layer; and the size of the first sandstone is smaller than that of the second sandstone. The waterproof layer, the adsorption layer, the water-resisting layer and the solid layer are embedded in the anti-seepage wall in multiple layers, so that the dam foundation anti-seepage wall is applicable to different complex strata and has self-protection durability in long-term use.

The application provides a prefabricated pipe gallery with toughening and anti-seepage functions and belongs to the technical field of geotechnical engineering. The problems of insufficient anti-seismic performance and easy water seepage of the traditional prefabricated pipe gallery are solved. The device comprises a prefabricated pipe gallery, a high-pressure nozzle excavation device and a pipe gallery joint. The prefabricated pipe gallery has the beneficial effects that the cavity filled with gelatin will swell after being contacted with water, the water seepage channel of the prefabricated pipe gallery is filled, and the function of rapid water seepage stopping is achieved; the importance of the middle wall structure to the overall structure is weak, the middle wall made of EPS concrete has the advantages of lightness, high damping, strong anti-seismic performance and easy replacement; the two ends of the middle wall are provided with No. 2 dampers, which can better absorb seismic wave energy during an earthquake; and the prefabricated pipe gallery pipeline base is arranged on No. 1 damper, so that the safety of the pipeline under the action of an earthquake is ensured.

The invention provides an overhead line iron tower foundation structure and a construction method thereof, and belongs to the technical field of overhead line iron towers, and the construction method comprises the following steps: a foundation pit is excavated, the bottom of the foundation pit is pretreated with acid liquor and alkali liquor in sequence, grouting is performed after heating and drying, a grouting cushion layer is obtained, and slurry adopted for grouting comprises silica fume, sodium hydroxide, an aluminum source and water; foundation bolts are inserted into the set positions of the grouting cushion layer, a reinforcing mesh is laid, concrete pouring is conducted, column foot connecting parts are installed on the foundation bolts, and the iron tower foundation structure is manufactured; and the foundation pit is filled with non-frost heaving soil to be compacted. The grouting cushion layer is prepared by grouting the bottom of the foundation pit, and the dense grouting cushion layer is formed after the slurry is injected into the soil layer pores, so that the porosity of the soil layer is reduced, the effective stress is increased, the strength and stability of the soil layer can be improved, and melting settlement deformation can be effectively resisted.

The invention relates to the field of bridge engineering construction, in particular to a combined foundation structure for bent cap construction of a soft soil foundation. The combined foundation comprises a force bearing part, a first steel pipe pile, a second steel pipe pile and a third steel pipe pile. The first steel pipe pile is supported on a bearing platform of the first pier column; the second steel pipe pile is supported on a bearing platform of the second pier column; the third steel pipe pile is arranged between the first pier column and the second pier column, a concrete strip-shaped foundation is arranged at the bottom of the third steel pipe pile, and the third steel pipe pile is supported on the ground through the concrete strip-shaped foundation. The first steel pipe pile, the second steel pipe pile and the third steel pipe pile are all used for supporting the force bearing part, and the force bearing part is used for supporting the steel bottom die. The bottom of the first steel pipe pile is supported on the bearing platform of the first pier column, the bottom of the second steel pipe pile is supported on the second pier column, the first steel pipe pile, the second steel pipe pile and the third steel pipe pile are jointly matched to bear the dead weight and the construction load of the steel bottom die, and a soft soil foundation in a large range does not need to be pretreated; the overall work amount is reduced, and the construction progress is accelerated.