Heyuan steel casing

Heyuan steel casing Liu 18,033,242,424 18,823,102,210 Foshan Langze steel company is in production and sales of large-scale professional steel companies, now has four heavy-duty rolling machine, the main production casing, steel casing, pile steel casing, drilling Piles of steel casing, with a casing piles, bridge piling steel casing. Casings produced outside diameter 350-5000mm, wall thickness of 6-40mm, acceptable Q235B, Q345B made and other materials, as well as length, non-standard, cutting, and other requirements of the business. Our products are mainly used in bridge construction, bridge piling casing, steel casing pile, pile with the casing, steel casing bored piles, pier piling steel casing, city pile bored pile steel casing, bored piles, piles, wall casing, infrastructure, piling, construction of reinforced concrete retaining wall and other ancillary works. Since its construction, relying on high quality products and good after-sales service, and truly a market, praised by users. Heyuan steel casing Huan Ying majority of users experience of cooperation. We will be happy to serve you Notice a casing inside diameter should be bigger than the pile diameter 200 ~ 400MM. 2 Casing center vertical line should coincide with the centerline of the pile, unless otherwise specified design, graphic tolerance for 20MM, vertical lines inclined not more than 1%, can be measured at a dry location, waters can rely on guide frame positioning. 3 dry land, the island of the casing can be used to build digging buried law, in and around the bottom of the casing must be filled layered clay soil compaction. 4 waters casing is set, you should pay strict attention to the location of the plane, vertical tilt and connection quality two sections of casing must comply with the above requirements. When people can sink weights, vibration, hammering method supplemented barrel except soil. [1] Water Casings Casings 5 ??0.3M height above the ground or water should be 1.0 ~ 2.0M. When there is pressure within the borehole water should be higher than the pressure above the water level stabilized 2.0M. If the pressure after the water level is unstable or stable water level above the water table a lot of pressure, you should do first test pile, the feasibility of such areas identified in the adoption of bored pile foundation. When the tide is in the affected areas, should be higher than the highest level of construction 1.5 ~ 2.0M, cylinder head and stable care measures should be adopted. 6 Casing embedment depth should be based on the hydrogeological conditions designed to determine the requirements or pile in clay is not less than 1.0m, the sand should not be less than 1.5m, general embedment depth appropriate for the 2 ~ 4M, special circumstances should be deepened in order to ensure the smooth progress of drilling and concreting. Riverbed scouring effect, the following Shen people should not be less than the local scour line 1.0 ~ 1.5M. Affected by water level fluctuation or underwater construction of bored piles, Casings height should heightening deepen, if necessary into the impermeable layer [2]. Heyuan steel casing 7 barrel casing joints require no protrusions, shall be resistant to tension and compression, watertight. The role of a positioning; 2, protecting the orifice and prevent falling into the hole in the ground stones; 3, keeping the mud water (pressure) to prevent hole collapse; 4, pile top elevation control one basis; 5, to prevent the drilling process The sediment reflux. 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