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6、tion construction processApplication of pine pile revetment construction processTime: 2011-09-20 16:53:42 source: author:MoreConstruction method:Pile, pine pile tip diameter Phi 140, long 6000, 6 meters along the banks of each root, as follows: the log pile construction stake in the procurement and
7、strictly control the quality of piles, piles the material should be good, the single bending shall not be greater than 0.1%. For timber in water eroded areas, the timber variety and preservative treatment methods must be carried out according to the design requirements. The top circular piles should
8、 be perpendicular to the center wire and press flat pile, pile cap and pile foundation processing. When there is a hard clamp in the soil, the iron pile tip shall be installed at the lower end of the pile. The log pile making deviation must comply with the provisions of the following table: the allo
9、wable deviation of project itemsThe diameter of 1 round stakes is -20 mm2 the length of the pile of the log pile is 0.3%According to the project requirements, to be considered in the pit excavation work is completed, with simple pile frame of circular piles construction, log pile by professional man
10、ufacturers purchase shipped to the construction site (purchasing should log pile testing, unqualified acceptance). In the circle of the stakes, must be on the shore distribution of measuring control points (level control point coordinates of control points), coordinate control using 2 theodolites in
11、tersection method, with elevation control level, control of pile position, according to the specification for hydraulic pile, a series of vertical pile piling is less than or equal to 5.0cm, the main the equipment to pile driving ship, pile frame, pile, pile hammer, power machinery, cables and other
12、 components, to conduct a comprehensive inspection. In case of error, immediate treatment or replacement shall be made. When piling, pile will be shipped from the ships log pile pile on the ship lift, close to the pile frame of Longkou, adjust the pile verticality, then 2 theodolites accurate positi
13、oning, and the pile cap, the pile hammer falls gently on top of the pile, the pile top to prevent damage in the construction, should advance into hard wood pad or a pad of paper. Check the pile hammer, the pile cap or the pile and the central axis of the pile before opening the hammer, and correct i
14、mmediately if there is any deviation. The pile hammer placed in the pile top, not to untie a cable, to be installed for wire rope pile hammer and then slowly put the long hammer and a pile of the pile were to slow sinking upward, to ensure safety, consistent with the axis and continue to check the p
15、ile hammer, pile cap and pile or send Center pile, by check and correct, can be applied to. The height of the lifting hammer should be controlled when the ball is hit, the first hammer, the rear heavy hammer and the impact of the pile are gradually increased until the depth of the pile and the impac
16、t of the pilePenetration is consistent with the design requirements until the drop hammer,Drop hammer height should be no more than 2.00m, single acting hammer drop height of not more than 0.60m, so as to avoid damage to the pile. Due to the design documents, there is no specific requirement for the
17、 design, elevation and penetration of the pile tip. Therefore, the bearing capacity of the pile should be accurate (determined by the design unit at the time of construction). If you need to connect the pile, asked quickly, try to shorten the time to stop hammer, re generated when the resistance is
18、too large; the pile, pile head flat, upper and lower pile axis, not bent, such as bending point higher than 10mm, the pile should be banned. In case of pile driving, if any of the following circumstances happens, the utility shall be stopped immediately, and the measures can be continued until the c
19、ause has been found out and the measures taken. 1, the penetration suddenly changed dramatically; 2, the pile body suddenly tilted, displacement; 3, pile sinking, pile hammer has a serious rebound phenomenon; 4, pile pile breaking or cracking and deformation; 5, pile ground upheaval phenomenon; 6, t
20、he other is not a normal phenomenon; pile sinking and the broken wood pad in the pile cap should be changed frequently, especially when the inclined pile cap, should be promptly replaced. After a pile is finished, it should be checked immediately. Make sure the pile has no problem, then move to the
21、next pile and continue to play. In order to make the construction of circular piles smoothly, especially in dealing with the geological conditions of no clear, light on the pile near (can also choose to test pile at pile), through pile testing, obtain first-hand information, and then organize, analy
22、ze and summarize experience, find out. To provide useful data for overall construction in the future, speed up the progress of the project and reduce the loss of the project. After the piling of the log pile is completed, the construction shall be carried out in accordance with the construction draw
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