What problems should be paid attention to in engineering surveying?

1. Measurement is an indispensable work for engineering construction, and it runs through the entire construction.

1) In the early stage of construction, it is necessary to measure the entire construction site, cooperate with the pre-development department to obtain a planning permit, and in addition, it is also necessary to send the measurement data to the design unit, and the design unit will carry out architectural design according to the elevation and size of the terrain.

2) In the construction stage, measurements need to be carried out first when carrying out the construction of each sub-project, such as engineering positioning measurement, foundation pay-off, wall, column, beam, slab ladder of the main body, roof, etc. In addition, it is necessary to cooperate with the data clerk to improve the compilation of measurement data.

Strengthen the re-testing work in the construction survey to reduce the occurrence of errors.

In the surveying practice, the students do not have enough understanding of the retest work, which is an indispensable work to ensure the quality of construction projects, and it is also an important part of the construction data. The purpose of the retest is to check whether the floor plan position and elevation data of the building meet the design requirements. Most of the construction survey accidents that occurred in the past were caused by neglecting the re-testing work.

The retest content mainly includes the following aspects:

1 Retest of raw data. The construction surveyor should conduct a comprehensive check on the data, elevation and control measurement data on the design drawings, and carry out the necessary re-testing and proofreading of the survey pile handed over by the design unit to avoid unnecessary engineering losses caused by the inconsistency between the design data and the survey mark.

2 Retest of building positioning. According to the building red line pile provided by the planning department, after the building is positioned, the corner coordinates of the building should be remeasured according to the positioning control pile, and the plane geometric size and elevation are consistent with the data on the design drawings and whether they meet the engineering accuracy requirements. Problems should be corrected in a timely manner.

3. Re-test of leveling points. After the introduction of the leveling point on the construction site, it is usually necessary to make two round-trip observations to ensure accuracy.

4. Review of design drawings and noisy objects. Before measuring and designing, we must read the drawings carefully, and conduct a comprehensive check on each size and data on the actual drawings to prevent the use of wrong design data to cause the building to "not intersect" in the plane size and vertical elevation, causing serious consequences. For example:

Check whether the axis position, elevation size and symbols of the building plan and elevation plan and section are consistent. If necessary, the main dimensions on the drawing should be copied from the measurement record book, so that they can be found and used at any time, and the wrong design data and measurement marks must not be used by memory.

5 Re-measurement of observation records. For the field measurement records, another surveyor should be replaced to review the school team when returning to the room, and the errors should be solved in time.

Construction surveying is an indispensable and important part of the construction process. Therefore, students should improve their hands-on ability to lift liquid and use their brains in the process of measurement practice, standardize the operation process, reduce errors and avoid errors.

If there is a well-designed drawing, and it is feasible according to the site, it must be carried out according to the design, the foundation of the excavation must be excavated first, and the design coordinates of the foundation should be calculated and staked out to the field.

industrial and civil buildings; Plane Positioning -- Axis line. Vertical Elevation -- Elevation line.

Municipal engineering installation; Plane Positioning -- Axis line. Vertical Elevation -- Elevation line.

Good surveyor. Surveying pay-off workers, as the name suggests, can be said to be workers, while engineering surveyors have technical levels and titles, and can be used as assistant engineers and engineers.

The latter has a high gold content, because I have a colleague who graduated from engineering surveying, and also has an engineering surveying certificate, but it is useless, and the measurement pay-off worker, which contains pay-off construction matters, is higher than the former technical content, and the current water conservancy surveying pay-off technicians are relatively lacking, or more popular, I think the latter is better.

Engineering surveying is the use of conventional geodesy, satellite navigation and positioning surveying, photogrammetry and remote sensing, map mapping and geographic information system, special surveying and other surveying and mapping technology methods to provide guarantee and service for the construction and operation management of various projects. Its business areas mainly include engineering control surveying, topographic and landscape surveying and mapping, construction lofting and testing, and deformation surveying. Its services cover a wide range of fields, such as construction engineering, municipal engineering, transportation engineering, energy and resources engineering, national defense and scientific research engineering.

Engineering surveying is a variety of surveying work carried out in the survey, design, construction and management stages of engineering construction. It is directly for the survey, design, construction, installation, completion, monitoring and operation management of a series of engineering processes for various construction projects. Surveying pay-off workers are a type of engineering surveyor.

There are relatively few instruments used to measure pay-off. The former tends to apply a variety of sophisticated electronic instruments, covering a wider range of senses. The latter is used more in the specific construction of the construction site.

Hope. Registered cost engineer refers to the state granted the erection of the car and approved to practice after registration, specifically to accept a department or a unit designated, entrusted or hired, responsible for and assist in the valuation, pricing and management of the project cost, in order to safeguard their legitimate rights and interests of the engineering economic professionals. The state implements the cost engineer qualification system in the field of engineering cost. All units and departments engaged in the construction, design, construction, engineering cost consulting, and engineering cost management of engineering construction activities must be equipped with professional and technical personnel with cost engineer qualifications in valuation, evaluation, review (nuclear), control and management.

Surveying and mapping instruments, tripods, tower rulers, prisms, walkie-talkies, steel tape measures, paper and pens, of course, record bags, umbrellas, and sunscreen these days, hehe.

It's all the same, it's all field work. Whichever unit has good benefits, you will go to which unit, which is the most affordable.

Marine surveying is the most profitable, because of the high risk factor of working at sea, followed by scientific investigation and measurement, roads, bridges, tunnels, pipeline measurements, etc.!

The main role of surveying and mapping work is reflected in: the identification and division of administrative areas; Lay out and encrypt the city control network, so that the planning and construction of the city can be carried out in an orderly manner under a common platform; Provide reliable multi-scale topographic maps for first-class government agencies, enterprises and institutions at all levels to meet the requirements of all walks of life; Accurately divide the corresponding construction land according to the design requirements, and provide a reliable basis for the monitoring of the land use.

The society has a great demand for surveying and mapping information, most of which are first-class organs at all levels, followed by enterprise units. Of course, the vast majority of this information is used for the planning and construction of urban infrastructure. Planning management has always been a hot spot of urban management, planning and management work procedures are closely linked with surveying and mapping work, the need for strong support for surveying and mapping work, from the site selection before the construction of the project, the design, implementation and final planning acceptance, as well as planning administrative law enforcement, are inseparable from topographic surveying, comprehensive pipeline surveying, engineering surveying (building pay-off, line inspection), planning completion acceptance surveying and other work, these work runs through every link of the entire planning and administrative management.

Therefore, only by attaching importance to and promoting surveying and mapping in accordance with the law can we ensure the continuity, integrity and unity of urban planning.

For example, a large bridge is constructed by two or more companies, each company is an internal adjustment, can ensure that its internal measurement error is within the allowable deviation, but in the place where the two companies are jointed, the beam may not be erected or there is no beam joint, these have appeared, the measurement adjustment: is to eliminate the cumulative error, the control measurement: is to control the construction of the structure.

Engineering Surveying is a book published by the Machinery Industry Press in December 2013, and the author is Feng Xiufu.

The book describes the various surveying work carried out in the survey, design, construction and management phases of engineering construction. It is directly for the survey, design, construction, installation, completion, monitoring and operation management of a series of engineering processes of various construction projects.

Introduction. This book is based on the principle of "necessary and sufficient", and is written with the goal of cultivating skilled talents. The book is divided into 8 units, with a total of 40 topics, including the basic work of construction surveying, curve lofting, construction engineering surveying, line engineering surveying, water conservancy engineering surveying, geological exploration engineering surveying, and mining engineering surveying.

The characteristics of this book are distinctive: it covers a wide range, downplays the theory, and focuses on the basics; ** Parallel Mao, emphasizing practice, focusing on the docking with professional qualification examination and professional positions, and striving to be close to the actual project; Equipped with a large number of exercises, intensive training, and lay the foundation for the vocational qualification and ability appraisal examination.