施工工艺都包含哪些？ What are the construction techniques of cement pipes ?
Cement pipes are very common in construction projects. When cement pipes are used, the deployment of cement and steel bars is used.
Then a kind of prefabricated pipe is manufactured, which can be used as a sewage pipe or a water pipe used in some factories.
Cement pipes are very common in current projects, but for some people the construction may not be simple.
Next, the cement pipe manufacturer will take a look at what the cement pipe construction process includes.
What are the construction techniques of cement pipes?
⑴Measure the centerline of the pipeline: Before construction, the centerline control point can be given according to the plan.
The starting point, end point, plane vertices, vertical vertices, and straight line control of the center pile (set with the center nail of the wooden pile top nail) are measured and set at the site.
And set the appropriate direction outside the groove at the starting point and the end point of the plane, and set the direction control pile, and determine by measuring
⑵ Establish a temporary level: pipeline projects often need to add temporary levels, which should be set up in a stable and difficult to be impacted place,
Its distance is preferably not more than 30 meters. Temporary level closure should meet the required standards.
(3) Trench excavation is selected by excavator excavation, and manual bottom cleaning is used as auxiliary. Rainwater bucket connection pipe and branch pipe are selected by manual excavation.
During the excavation process, pay attention to the changes in soil quality and use support and support for sections with landslides.
⑷The excavator excavates to a height of about 10cm at the bottom of the tank. It is reserved for the bottom of the trench to not be digged, and then manually removed to repair the bottom of the tank.
Manually clean the trough, carefully check the soil at the bottom of the trough for any disturbance, and if there is disturbance, special treatment should be done.
对称 Elevation piles are set symmetrically on both sides of the trench, 1m above the bottom of the trench, and nails of equal height are nailed on it.
Before the trench is bottomed and the pouring is flat, the elevation of the centerline of the pipe canal and the elevation pile should be retested.
Steady tube: ⑴ Steady tube is to stabilize the tube on the foundation according to the planned elevation and plane orientation.
Before stabilizing the pipe, the pipe mouth should be chiseled. The pipe mouth should be chiseled according to the planned scale, and the pipe skin should be chiseled with a chopping axe, without damaging the wall niche.
⑵ Before stabilizing the pipe, remove the debris, water, and the inside and outside of the pipe. When the pipe moves in the groove,
The operators should cooperate closely to prevent collisions. When the pipe is stabilized, the inner diameter and the bottom elevation of the pipe shall prevail. When adjusting the pipe elevation,
The pads used must be strong, and the pipe order must be from downstream to upstream. The socket-type pipe port faces upstream and the socket port faces downstream.
When the pipe is stabilized at the well position, the inner diameter of the inspection well is controlled. The gap at the mouth of the pipe is 10mm for jointing in the pipe.
(3) For the lower pipe section, one pipeline centerline control pile is set for each of the two sections, and the hanging line is straightened from the downstream along the centerline.
Adjust one section for stability and one section, and when controlling the section tube, control the mouth of the pipe to the head about 1cm. Flush the nozzle
The gap between the pipes was embedded with 1: 2 asbestos cement mortar.
Wiping tape: The tightness and durability of drainage pipes depend to a large extent on the quality of the laying pipes.
The joints of pipes shall have sufficient strength and impermeability, be able to resist the corrosion of sewage or groundwater, and have certain elasticity.
Cement pipe manufacturers
⑵Operation method: Chisel the pipe mouth, remove the ash powder, reveal coarse aggregate, wet with water, fill the pipe joint with mortar and compact,
The outer surface is slightly lower than the outer skin of the tube. Then brush the cement paste together, 8-15 cm.
Not calendered. A little waterproof material can be added during operation to improve the anti-seepage function. Use a curved trowel to wipe the second layer of pipe hoop from top to bottom
, Forming an arc-shaped interface, after the initial setting, use a trowel to catch light and compact, no sand exposed. About piping for general steady pipe installations
The section where the pipe is in contact with the flat base has no interface material, so it should be handled alone, which is called making the bottom hoop. The practice of cement pipe manufacturers is
: Chisel the bottom of the nozzle in the pipe behind the device, fill it with mortar and compact after cleaning. After wiping the hoop, cover it with wet paper
After 3 to 4 hours, add a layer of straw bag film, and set up someone to water it for maintenance.