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Construction Survey Scheme of Beishan Tunnel The starting and ending mileage of the second part of the fifth bid section of Qingdao Rongcheng Intercity Railway is DK229+567.32 ～ DK245+154.36, and the main line is 15.59km long. This bid section is located in Muping District, Yantai City, Shandong Province. The route passes through mountainous areas, rivers, farmland, shelter forests, etc., with complex terrain conditions. -
Construction survey scheme of a super large tunnel Dabantou Tunnel is a railway double track tunnel, which adopts ballastless track. The ballastless track structure is 51.5cm high, the spacing between left and right tracks is 4.6m, and the total length is 3716m. The mileage of the entrance and exit is DK107+440 and DK111+156 respectively. -
Construction survey scheme of tunnel outside the tunnel Control outside the tunnel: the control survey is used after repeated survey on the basis of CPI and CPII control network of the design institute. Since the density of CPI and CPII control points cannot meet the needs of construction survey, the CPI and CPII need to be subject to the next level of encryption control. The encryption control adopts the lower level GPS densification or wire encryption method. The wire encryption is to ensure that -
Special plan for construction survey of an extra long tunnel According to the characteristics of the project, the project is divided into two construction sections, namely, the tunnel entrance K23+808.000 ～ K26+031.000 is 2.2km of the construction section I, and the tunnel exit K26+031.000 ～ K28+137.000 (terminal point) is about 2.1km of the construction section II. -
Municipal tunnel outside and inside and tunnel construction survey The first step of tunnel construction survey is to recheck the direction and length of the central line outside the tunnel and the benchmark delivered by the design unit. The resurvey of long tunnels or tunnel groups should be completed by professional survey teams. -
Construction survey scheme of Wangjiawan underground excavation tunnel The section between Caijiawan Station and Wangjiawan Station is mainly located under Longyang Avenue. The current width of Longyang Avenue is about 42m, and the width of the right of way is 60m. It is the main urban traffic artery in Hanyang District. There are 3m sidewalks on both sides of the road. The ground traffic flow and people flow are large, the traffic is busy, and there are many underground pipelines. Tunnel construction has high requirements for ground settlement control. -
Teaching materials for tunnel construction survey (center line triangulation method) Lecture courseware of tunnel construction survey (central line method and triangular network method), detailed and informative, for reference -
Tunnel construction survey scheme of xx expressway phase ii project Xx tunnel is a separate tunnel, the tunnel body is located on the horizontal curve, the left tunnel is located on the R=1120m curve, and the right tunnel is located on the R=1110m curve. The pile number at the inlet of the right tunnel is YKxx+xxx, the design elevation is xm, the pile number at the outlet is YKxx+xxx, the design elevation is xm, xxm, and the longitudinal slope is -1.555%,+0.5 -
Construction survey scheme of Damaowu Pingfeng node water conveyance tunnel Lot II tunnel The project is divided into three sections: Xialiangwu branch tunnel and its control main tunnel section, Dongmuwu branch tunnel and its control main tunnel section, and Pingfeng outlet buried pipe section. The main tunnel is about 4561m long, the Xialiangwu branch tunnel is about 773m long, the Dongmuwu branch tunnel is about 659m long, and the buried pipe section is about 372m. -
Special Scheme for Construction Survey Implementation of xxx Tunnel in XXXX Section of Newly built Railway The xxx tunnel of Nanning Guangzhou Railway is located in Yunfuyun urban area, with the entrance in Duyang Town and the exit in Silao Town. The total length of the tunnel is 12208m. The exit section of the tunnel is located on the curve, the left line curve radius R=5500, the curve length 4269.456m, the wired curve radius R=5504.6m, the curve length 4272.674,; The rest are on a straight line. -
Implementation Scheme for Construction Survey of xxx Tunnel in XXXX Section of Newly built Railway The xxx tunnel of Nanning Guangzhou Railway is located in Yunfuyun urban area, with the entrance in Duyang Town and the exit in Silao Town. The total length of the tunnel is 12208m. -
Design Scheme of Tunnel Construction Survey Control for Contract Section B7 of Wushui Expressway This data is the design scheme for construction survey control of contract section B7 of Wushui Expressway, which is only for reference. -
Traverse survey record of tunnel construction Traverse survey records. This form is mainly used to record traverse data for download and reference. -
Tunnel construction elevation survey record The form is mainly used to record the elevation survey data for download and reference. -
Summary of tunnel construction control survey Whether the general layout of the construction site is reasonable, whether it is conducive to ensuring the normal and smooth construction of the project, whether it is conducive to ensuring the quality of the project, and whether the general layout of the construction is consistent with the geomorphic environment and building plane. -
Summary of construction control survey of a tunnel This document is a summary of the construction control survey of a tunnel. The content includes the summary of tunnel construction control survey. The contents are detailed for reference. -
Control survey scheme of a tunnel construction project According to the needs of the tunnel survey, the GPS control network (including the encrypted points) in the survey area uses the GPS point data provided by the design institute to carry out the overall adjustment calculation. -
[Nanchang] Construction Survey Scheme for Large Cofferdam of Tunnel The survey work runs through all links of the project construction and plays a very important role in the project construction process. It is of great significance to the construction progress, construction accuracy, cost control and the connection of various processes. This requires that in the construction of the project, the survey work must be timely and accurate service, guidance in the construction and production. In order to carry out the construction survey smoothly and orderly -
Survey technology and guidance control of municipal tunnel shield construction The construction control survey can be divided into three parts: 1. Ground control survey: maintain the integrity of the main control network of the plane and elevation of the ground during construction, and maintain its reliability and availability; To facilitate construction, ground control points (including ground center piles of ground works and open cut works) shall be densified and kept reliable and available. -
Survey management and survey technology of municipal tunnel shield construction The quality management objective of construction survey is to ensure that the buildings, structures, equipment and pipelines along the line are installed accurately according to the design, and that the line design will not be modified due to the out of tolerance of construction control survey and setting out survey on the line, thus reducing the driving operation standard. -
Data of fast measurement method for tunnel construction section Tunnel section, vertical direction (elevation) is the longitudinal axis, which is represented by H; The horizontal direction (distance from the centerline of the line) is the horizontal axis, which is represented by B. The vertical coordinate of the circle center is equal to the design elevation of the route minus the distance from the design elevation line to the tunnel center times the cross slope ratio, plus the height from the circle center to the pavement. Expressed by formula (1-1). -
Survey records of main control points for horizontal control of tunnel construction The form is mainly used in the process of the measurement record of the main control point of the horizontal control of tunnel construction, for download and reference. -
Design, organization and construction scheme of tunnel control survey in a city During the leveling in the tunnel of this project, the line of sight should not be longer than 50m, and the opposite observation should be carried out when the photoelectric distance measurement trigonometric leveling is used. The tolerance requirements are the same as those for the elevation survey outside the tunnel. -
Survey records of main control points for tunnel construction elevation control The form is mainly used in the process of tunnel construction elevation control and main control point measurement for your reference. -
Cofferdam construction survey scheme of tunnel construction project The west bank cofferdam axis stake No. West 0+000~+032.36, West 0+424.24+456.61 (32.37m) sections are filled with clay, and the rest are filled with sand filled long pipe bags; The water is retained by the cofferdam, and the minimum distance between the edge line of the cofferdam toe and the contour line of the main structure of the project is not less than 10.0m. The cofferdam axis is about 456.61m long, -
Control scheme for construction survey of underground tunnel engineering The section between Caijiawan Station and Wangjiawan Station is mainly located under Longyang Avenue. The current width of Longyang Avenue is about 42m, and the width of the right of way is 60m. It is the main urban traffic artery in Hanyang District. There are 3m sidewalks on both sides of the road. The ground traffic flow and people flow are large, the traffic is busy, and there are many underground pipelines. Tunnel construction has high requirements for ground settlement control. -
Special Scheme for Tunnel Surveying Construction of Highway Reconstruction Project The Project Management Department of Section TJ-01 of G205 Wuliting Taolin Highway Reconstruction Project is proposed to enter the site for construction on April 1, 2017. Now all preparations have been completed. Our Project Department has prepared a special scheme for tunnel survey construction of this project according to the actual situation of the site, in combination with the requirements of design drawings and construction specifications. Please review and approve it. -
Special plan for construction survey of an extra long tunnel project According to the characteristics of the project, the project is divided into two construction sections, namely, the tunnel entrance K23+808.000 ～ K26+031.000 is 2.2km of the construction section I, and the tunnel exit K26+031.000 ～ K28+137.000 (terminal point) is about 2.1km of the construction section II. -
Special construction organization design and construction survey of Lianhuo project tunnel Lot TJ-12 of Luoyang Sanmenxia (Henan Shaanxi border) Reconstruction and Expansion Project of Lianyungang Huozhou Expressway is located in Shaanxi County, Sanmenxia City, crossing Xiashi Township and Zhangmao Township. The left line of the starting and ending mileage is RK91+400-RK99+300, and the right line is DK91+389.01-DK99+294.163, with a total length of 7.9 kilometers. Two tunnels, one-way and double tunnels -
Special Scheme for Cofferdam Construction Survey of Tunnel Construction Project The west bank cofferdam axis stake No. West 0+000~+032.36, West 0+424.24+456.61 (32.37m) sections are filled with clay, and the rest are filled with sand filled long pipe bags; The water is retained by the cofferdam, and the minimum distance between the edge line of the cofferdam toe and the contour line of the main structure of the project is not less than 10.0m. -
Measurement and Control Technology of Tunnel Axis in Large Diameter Shield Construction In order to ensure that the shield machine advances along the tunnel design axis, the shield construction survey shall provide the instantaneous attitude of the shield machine at any time, such as the plane deviation value, elevation deviation value, longitudinal gradient, transverse rotation angle and incision mileage (or coordinates) of the shield machine position and the design line centerline. At the same time, the installation quality of the tunnel lining ring, such as the center deviation of the lining ring and the ovality of the ring -
Special Scheme for Tunnel Surveying Construction of G205 Wuliting Taolin Highway Reconstruction Project The Project Management Department of Section TJ-01 of G205 Wuliting Taolin Highway Reconstruction Project is proposed to enter the site for construction on April 1, 2017. Now all preparations have been completed. Our Project Department has prepared a special scheme for tunnel survey construction of this project according to the actual situation of the site, in combination with the requirements of design drawings and construction specifications. Please review and approve it. -
Detailed Rules for the Implementation of Construction Control Survey at the Exit of Tunnel 1 and the Entrance Work Area of Tunnel 2 The control survey of this tunnel is organized and implemented by the precise survey room of the group company. At present, the control piles have been arranged and set out, and the resurvey results have been submitted for approval. The resurvey and verification are carried out every six months. -
How to prepare construction survey scheme 2.1 Overall control of the local: This is the general principle of all surveying work. If you try to control the whole by the local instead of following this principle, the measurement error will exceed the limit, the building location will be inaccurate, and the overall planning effect will be affected. 2.2 High precision control Low precision: different levels of measurement must -
Construction summary of a tunnel in Zhijinghe This data is a summary of the construction of a tunnel in the branch well river. The branch well river water at Wuhan end is used. The high lift centrifugal clean water pump with the model of 06-25 × 9 is mainly used for water supply. The pump has a power of 15KW, a lift of 225m, and a flow of 6.3m3/h. It is transported to the tunnel with φ 50mm steel pipes for water supply of air drills in the tunnel. The content is detailed and worth downloading -
Summary of design and construction of a tunnel This data is a summary of the design and construction of a tunnel. The scheme has short and straight lines, small quantities, good geological conditions, low operating costs, no interference between the construction and the existing line transportation, and no blocking of Wushui River by the spoil, creating conditions for the development of Lechang Gorge's hydraulic resources. It has little impact on the ecological environment and is a successful choice among various schemes. The content is detailed and worth downloading. -
Gas tunnel scheme and construction specification This document is the gas tunnel scheme and construction specification, which details the gas tunnel construction process, construction specification and safety measures
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one Capping beam construction survey -
two Foundation construction survey -
three Surveying construction method -
four Construction survey foundation -
five Tunnel construction survey scheme -
six Construction steps of tunnel survey -
seven Tunnel construction survey contract -
eight Open cut tunnel survey scheme