3 results about "I-joist" patented technology

An i-joist web plate 14 has a notch 18 at the top 24, and an i-joist notch flange 16 formed from a C-shape in which the ends are bent three times forming walls 26, 28, 30, and 32. The first wall 26 bridging the notch in which each of the ends of the C-shape has three walls 28, 30, and 32, and a plurality of openings 22 disposed in the web plate 14 with openings 22 along the top 24 thereof that correspond to the plurality of openings 22 in the fourth walls 32 of the notch flange 16.

The utility model discloses an accident oil pit for a boosting block of an offshore wind power plant, which belongs to the technical field of offshore wind power and comprises a plurality of I-shaped beams below oil-carrying equipment, each I-shaped beam consists of a vertical beam web, an upper beam flange positioned at the top of the beam web and a lower beam flange positioned at the bottom of the beam web, the upper-layer steel grating and the lower-layer first bed board are arranged below the oil-carrying equipment, the steel grating and the first bed board are respectively fixed with the I-shaped beams to form a hollow structure serving as an accident oil pit, the accident oil pit is divided into a plurality of beam grids by the I-shaped beams, and each beam grid is provided with flow holes to enable the beam grids to be communicated with each other. According to the utility model, an accident oil pit structure below 0 m elevation is adopted, an original I-beam structure is fully utilized, and the accident oil pit is hidden, is flat and beautiful under normal maintenance working conditions, and is high in operation and maintenance comfort; oil leakage is smooth by adopting the steel grating; the beam grids in the accident oil pit are provided with flow holes to enable the beam grids to be communicated, and oil / water discharge is convenient.

The utility model belongs to the technical field of discharging platforms, and particularly relates to a building construction discharging platform which comprises a base platform and an enclosure frame, the enclosure frame is fixedly connected to the top end of the base platform, a door groove is formed in one end of the enclosure frame, the top end of the base platform is rotationally connected with a multifunctional plate, and the multifunctional plate is used for sealing the door groove when rotating to a vertical state. The multifunctional plate is used for relieving the height difference between the base table and the ground when rotating to the horizontal state, the base table comprises two I-shaped beams which are correspondingly arranged, flat plates which are distributed at equal intervals are fixedly connected between the two I-shaped beams, and a supporting beam used for supporting the flat plates is further fixedly connected between the two I-shaped beams. When materials are placed, the multifunctional plate can be opened to be used for guiding the cart, so that the cart can enter the enclosure frame along the multifunctional plate conveniently, and articles can be placed conveniently; and when the platform is lowered, the multifunctional plate can be closed, so that the door groove is blocked, and materials are prevented from falling off from the door groove.