A kind of fiber concrete, buffer isolation pier using same, and preparation method of buffer isolation pier
A fiber reinforced concrete and isolation pier technology, applied in roads, road safety devices, buildings, etc., can solve problems such as the inability to effectively absorb the energy of vehicle impact, avoid secondary damage, improve toughness and strength, and protect the natural environment. Effect
Active Publication Date: 2019-07-05
湛江市鹏港混凝土有限公司
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Problems solved by technology
However, this kind of isolation pier cannot effectively absorb the energy of the vehicle collision, thereby reducing the damage caused by the collision to the vehicle and the driver, and protecting the vehicle and the occupant.
Method used
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[0041] A fiber concrete, which is made of the following raw materials in parts by weight: 0.5-5 parts of polyester fiber, 5-15 parts of steel slag, 2-10 parts of desulfurized gypsum, 5-15 parts of fly ash, and 10-20 parts of cement 25-35 parts of sand, 40-50 parts of gravel, 4-10 parts of water; the preparation method is: mix the above weight parts of sand, gravel and fiber in a mixer for more than 3 minutes, and then add the above weight Parts of steel slag, desulfurized gypsum, fly ash, cement and water are stirred for more than 5 minutes. A preferred example is: 2 parts of polyester fiber, 10 parts of steel slag, 6 parts of desulfurized gypsum, 10 parts of fly ash, 15 parts of cement, 30 parts of sand, 45 parts of gravel, and 7 parts of water. Through such a combination, The toughness and crack resistance of fiber concrete are increased, and the effect is better when used. The particle size of steel slag is less than 15um; the sand is natural medium sand with a fineness mo...
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Abstract
Provided are a fiber concrete, a novel buffer isolation pier using the same and a manufacturing method of the novel buffer isolation pier. The novel buffer isolation pier comprises at least one single prefabricated body. The single prefabricated body comprises a single fiber concrete body, the outer side of the single fiber concrete body is sleeved with a rubber sleeve, steel plates are arranged on two sides of the single fiber concrete body and are located on the inner side of the rubber sleeve. A spring power absorber is arranged between the single fiber concrete body and the steel plates. The spring power absorber comprises a base plate, wherein a top plate is arranged on the outer side of the base plate, and a buffer spring is connected between the base plate and the top plate. A sliding plate facing the top plate in arrangement is arranged on the base plate, and a limiting hole parallel to the base plate is formed in the sliding plate. A movable limiting portion parallel to the base plate is arranged on the inner side of the top plate and is matched with the limiting hole in arrangement. The buffer isolation pier prepared by using the single fiber concrete body and utilizing the recorded method can greatly absorb impact energy, the safety of vehicles and persons is further ensured, construction is simple and convenient, and the pier is environmentally friendly and cheap.
Description
technical field [0001] The invention belongs to the technical field of isolation pier, and in particular relates to a fiber concrete, a buffer isolation pier using the same, and a preparation method of the buffer isolation pier. Background technique [0002] Isolation piers are the main traffic isolation facilities on highways and urban roads, which can be used to separate traffic flows in the opposite direction or in the same direction. The isolation piers are mostly cement isolation piers, fiberglass isolation piers and plastic isolation piers. Cement concrete isolation piers are widely used due to their high strength and good durability. However, when the vehicle hits the hard cement concrete isolation pier during high-speed driving, it will cause great damage to the vehicle, and at the same time bring a huge threat to the safety of the driver and passengers. For this reason, the invention patent cement anti-collision isolation pier (application number: 201510325402.3) ...
Claims
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IPC IPC(8): C04B28/00E01F15/00E01F15/14C04B111/34
CPCC04B28/00C04B2111/343E01F15/00E01F15/146C04B16/0683C04B18/142C04B22/145C04B18/08C04B14/06C04B14/02C04B22/002
Inventor 李锐铎李利勤尹振羽郭延辉闫小峰
Owner 湛江市鹏港混凝土有限公司