Although there are many types of construction project management, they all have their own schedule control tasks, and housing construction projects are no exception, but the control objectives and time categories are different. Engineers in the same industry know very well that the project is implemented under dynamic conditions, so schedule control must also be a dynamic management process. It is a process of compiling a schedule based on data collection and investigation, and tracking, checking and adjusting the schedule. Therefore, the process of schedule control is a process of continuous inspection, improvement, adjustment and implementation with the project construction process under dynamic conditions.
1 progress control target of the construction unit
As a participant in the construction project, the progress control goal of the construction unit of the residential construction project is the general task of the construction party of the residential construction project. It is based on the construction task and the requirements of the owner, that is to say, according to the contract requirements of the construction project, it is a legal contractual obligation that every construction unit must perform. Therefore, in terms of schedule, the construction unit should make different construction schedule control targets according to the geographical location, environment and construction conditions of different housing construction projects, and make control and guidance construction schedule plans at different depths respectively, and make construction plans according to different resources and different time.
2 construction unit schedule control method
(1) After the goal is determined, the key is implementation, so the organization is the main factor to achieve each goal. In the realization of the progress goal, a good organization will determine the implementation of a good progress goal to the letter, so it is necessary to establish and improve the project management organization system of residential construction projects. Therefore, as the project manager of the construction party, it is particularly important to plan and organize a team of organization members with good management level. In terms of organizational structure, there should be a special working department and a person competent for schedule control to track and check the implementation of each link of construction, take corrective measures in time and adjust the schedule. The implementation of all these problems requires a lot of coordination work, and the meeting is an important means of organization and coordination, which can not be ignored.
(2) schedule control management and economic measures. Management measures include various rules and regulations. Rules and regulations are the comprehensive embodiment of the ideas, methods and means of project management by the management personnel of the construction unit. In actual construction, as we all know, the floor plan is often painted on paper and pasted on the wall, which eventually becomes an ornament with little effect. This is mainly due to the lack of the concept of schedule system, and the plans are independent and unrelated. Lack of the concept of dynamic control, only pay attention to preparation, ignore timely adjustment, lack of the concept of priority, in management, we should choose various schemes, determine the best and put them into practice, at the same time pay attention to the consideration of risk factors, attach importance to the application of information technology, and at the same time implement all plans involving capital demand, capital supply conditions and economic incentives to ensure the realization of progress goals.
There are many ways to choose a good construction method, organize construction and work out the construction schedule.
If there are double code network plans, single code network plans, overlapping network plans, time scale network plans, equal-rhythm flow construction plans and different-rhythm flow construction plans, each has its own advantages and disadvantages, but no matter which method, we should take it seriously, study it carefully and choose the best construction plan. We take the foundation construction scheme of a four-unit five-story building of a civil residence as an example: after careful study and analysis of the drawings, the foundation works of this project are decomposed, and it is known that the construction processes such as digging in the center of the house, ground beam, foundation bricklaying, composite column and backfill soil are the leading construction processes, and the * * * is divided into two sections, and a group of lime-soil workers are equipped according to the engineering quantity, so the rhythm of equal-rhythm running water is calculated as 5d. Carry out in the construction to ensure the realization of schedule control objectives. The lowest, and the collapse of the surrounding soil in the process of pouring concrete will affect its thickness and often become a dangerous section. The biggest advantage of adopting open caisson method is that the thickness and strength of retaining wall are guaranteed. Therefore, when constructing anti-slide piles in the loose layer of water-rich landslide, if the thickness of artificial fill and gravel soil is large, it is an economical and effective construction method to adopt open caisson method under the condition of ensuring its verticality and effectively overcoming subsidence resistance.
4 conclusion
(1) In the construction of manually dug anti-slide piles in landslide control engineering, we must pay full attention to geological logging and its feedback information, which is the basis for optimal design and construction decision.
(2) It is very difficult to form holes by manually digging anti-slide piles, and drainage is the fundamental measure.
(3) In the landslide control project, it is very important to support the water-rich loose layer and quicksand layer as soon as possible after excavation.
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