Open cut tunnel survey scheme

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.

Survey Scheme for Aiba Tunnel along the 3rd Bid Section of Germany

The third same section of Yanhe Dejiang section of Guizhou Yanhe Rongjiang Expressway starts at K19+515 and ends at K24+350, with a total length of 4.835km.  

Technical scheme of tunnel control survey

The starting and ending mileage of CKGZTJ-5 section of Guizhou section of the new Shanghai Kunming Passenger Dedicated Railway is DK593+466.41 ～ DK623+941, with a total length of 30.474km. The line passes through Majiang County and Fuquan City of Guizhou Province from east to west. Main quantities: 4068m subgrade (including 8 culverts), 20 bridges (5762m)

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

Measurement scheme for shield section of metro tunnel

The starting mileage of the left line of the project is DK12+868.550 to DK12+359.690, with a short chain of 37.25m and a total length of 471.61m; The right track starts from DK12+868.550 to DK12+359.690, with a short chain of 25.212m and a total length of 483.648.

Open cut tunnel organization design scheme

The small electric winch is used to lift the bucket for excavation, and the external splayed steel formwork is used as the retaining wall formwork. The upper section is removed and the lower section is erected for recycling. According to the geological data, the digging pile is not in the rock, and the hole is excavated manually with air pick and shovel. Small electric winch is used to lift the bucket for excavation, and external splayed steel formwork is used for retaining wall formwork. Remove the upper section and erect the lower section for circulation

Special scheme for open cut tunnel construction

This data is a special plan for open cut tunnel construction, with a total of 60 pages, which is detailed and accurate, and is only for reference.

Xx Tunnel Control Survey Scheme.doc

Control scheme of tunnel through survey

The tunnel starts from Liyuan Village, Huangtian Township, * * County, Anhui Province, passes through * * *, and originates from Tang Village, Qiaoting Township, * * * County, Anhui Province, with a length of 5948m. The plane design of the tunnel is: section DK222+127 ～ DK222+355.76 is located on the transition curve of the left deviation curve, and the radius of the left line curve is 9000; DK222+781.58～DK224

Construction organization design scheme of open cut tunnel

The construction organization design scheme of open cut tunnel is detailed and rich, which can be downloaded by netizens.

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.

Survey scheme for main tunnel of rail transit

The professional surveyors of the Project Technology Department shall set up a survey team to position the project and establish a traverse control network according to the coordinate points and elevation control points given by XX Company. The inspection and acceptance shall be carried out according to the specified procedures, and the detailed drawing disclosure and scheme disclosure shall be carried out for all members of the construction survey team to clarify the division of labor. The progress and daily arrangement of all survey works shall be carried out by the team leader according to the overall progress plan of the project

Organization design scheme of open cut tunnel in a city

The small electric winch is used to lift the bucket for excavation, and the external splayed steel formwork is used as the retaining wall formwork. The upper section is removed and the lower section is erected for recycling. According to the geological data, the digging pile is not in the rock, and the hole is excavated manually with air pick and shovel.

Xx tunnel control survey scheme (word format)

The xx tunnel is located in xx County, xx Province, and the tunnel entrance is located in xx Village. The tunnel exit is located in xx Village. The tunnel is a double track tunnel. The tunnel entrance mileage is DK284+318, the exit mileage is DK287+432, and the total length of the tunnel is 3114m

Analysis of waterproof construction scheme for open cut tunnel

The main structure of D1K178+570~+870 tunnel is lined with straight wall and flat bottom arch shaped open cut tunnel. The arch, side wall and bottom plate of the whole tunnel lining are made of waterproof concrete, and the impermeability grade is not lower than P8. The whole tunnel is fully waterproof, the outer edge of lining is paved with self-adhesive waterproof boards, the arch is single-sided self-adhesive waterproof boards, the side wall and bottom plate are double-sided self-adhesive waterproof boards

Open cut tunnel construction organization design scheme

The starting and ending mileage of the open excavation section of the section tunnel in this bid section: the right line CK13+250.0~CK13+435.0 is 185m long, the left line CK13+250.0~CK13+437.5 is 187.5m long, and the entrance and exit line of the depot is constructed by open excavation method, and the section form is rectangular reinforced concrete frame structure.

[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

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.

Special plan for the control of a tunnel through survey

The tunnel starts from Liyuan Village, Huangtian Township, * * County, Anhui Province, passes through * * *, and originates from Tang Village, Qiaoting Township, * * * County, Anhui Province, with a length of 5948m. The plane design of the tunnel is: section DK222+127 ～ DK222+355.76 is located on the transition curve of the left deviation curve, and the radius of the left line curve is 9000; DK222+781.58～DK224

Highway survey scheme (subgrade, bridge, tunnel, conductor)

Highway survey scheme (subgrade, bridge, tunnel, conductor) Highway survey scheme (subgrade, bridge, tunnel, conductor)

Final construction scheme for formwork support of open cut tunnel

The side wall of the main structure is supported by triangular truss and fixed by anchor bolts. The top plate is supported by a red scaffold. The side wall and top plate panels are made of 18mm thick composite wood plywood. Bowl buckle scaffold shall be used for plate support, and the density of vertical pole of roof support shall be 0.6 × 0.9m. Cross bridging shall be set on the horizontal and vertical surfaces of the scaffold system for reinforcement, as shown in the following chapters.

Construction organization design and construction scheme of open cut tunnel

In accordance with the technical standards, geological data and detailed data of surrounding buildings, ground and underground pipelines specified in the design, the project strictly and carefully completes the deep foundation pit construction organization design (including the monitoring measures of the surrounding environment) and construction operation procedures, and formulates corresponding emergency measures for water leakage and slope instability that may be encountered during excavation.

Construction organization design scheme of open cut tunnel in a city

The starting and ending mileage of the open excavation section of the section tunnel in this bid section: the right line CK13+250.0~CK13+435.0 is 185m long, the left line CK13+250.0~CK13+437.5 is 187.5m long, and the entrance and exit line of the depot is constructed by open excavation method, and the section form is rectangular reinforced concrete frame structure.

Full set of construction organization design scheme for open cut tunnel

The starting and ending mileage of the open excavation section of the section tunnel in this bid section: the right line CK13+250.0~CK13+435.0 is 185m long, the left line CK13+250.0~CK13+437.5 is 187.5m long, and the entrance and exit line of the depot is constructed by open excavation method, and the section form is rectangular reinforced concrete frame structure.

Open cut Tunnel Construction Organization Design Scheme.doc

Control survey scheme of tunnel construction engineering

The tunnel entrance of the bridge and tunnel construction project at the east end of southern Binhai Avenue is the mountain near the south entrance of Dalian Binhai Road Forest Zoo. There are two exits, one is the north entrance of Baiyun Tunnel, and the other is the mountain on the west side of Dalian Theater.

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.

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

High pressure jet grouting pile test scheme for deep foundation pit enclosure of open cut tunnel

The construction of high-pressure jet grouting piles in the 1st bid section of xxxx expressway connecting line project mainly includes: SE and ES ramp foundation pit enclosure Φ 800 high-pressure jet grouting piles, and the spacing is determined by the bored cast-in-place pile spacing; Φ 600 high-pressure jet grouting piles are arranged at a spacing of 350mm for foundation pit enclosure at one side of rainwater tank culvert in SEK0+700~SEK0+511 section; Bridge corbel

[Guangdong] Survey Scheme for Main Tunnel of Rail Transit_

The pipeline section of bid section XX of XX intercity rail transit project has a total length of 5125m (double linear meters), of which the U-shaped groove is 276m long, the tunnel open excavation section is 224m long, the tunnel double arch tunnel is 275m long, and the tunnel is 4325m long. At the same time, there are inclined shafts (187m long), air shafts (construction shafts), inclined shafts (212m long), 1 construction shaft, and XX passenger station

Open cut tunnel construction organization design proposal

The starting and ending mileage of the open excavation section of the section tunnel in this bid section: the right line CK13+250.0~CK13+435.0 is 185m long, the left line CK13+250.0~CK13+437.5 is 187.5m long, and the entrance and exit line of the depot is constructed by open excavation method, and the section form is rectangular reinforced concrete frame structure. The entrance and exit line of the depot is along the left and right side of the section tunnel

Changjia Yulong Garden Survey Scheme

Changjia Yulong Garden Survey.doc Changjia Yulong Garden Survey.doc Changjia Yulong Garden Survey.doc

Protection scheme for a tunnel spoil area

Most weakly weathered rocks at the exit section of ×× tunnel will be transported to the designated gravel processing plant for processing gravel. The main spoil is strongly weathered granite, and a small part is completely weathered rock, with a total volume of about 117000 m3. In the original design, the spoil at the exit of ×× tunnel is located in the col 10m~280m to the right of DKxxx~DKxxx, but it is difficult to rent farmland here. So far

Foundation pit excavation scheme for open cut section of river crossing tunnel

The mileage of xx open excavation section is LK3+230 ～ LK3+600, which is divided into 14 sections and a working shaft. The node number is JB01 ～ JB14. The total length of the project is 370m, and the excavation depth is 0.39 ～ 23.14m. According to the construction and excavation methods, this foundation pit project is divided into excavation without support and excavation with support. According to the construction conditions, the excavation depth of foundation pit

Special construction scheme for steel support of open cut tunnel foundation pit

Special construction scheme for steel support of foundation pit of open cut tunnel The plane position of the tunnel is near XXXX, Jieyang City. The tunnel is divided into two sections, open cut and concealed construction. The mileage of the starting section from the entrance to XXXX station is DK110+820~DK112+662.269, with a length of 1842.269m. The starting section from the end of XXXX station to the exit section DK113+248.2

[Chengdu] Waterproof construction scheme of open cut airport tunnel

The main structure of D1K178+570~+870 tunnel is lined with straight wall and flat bottom arch shaped open cut tunnel. The arch, side wall and bottom plate of the whole tunnel lining are made of waterproof concrete, and the impermeability grade is not lower than P8. The whole tunnel is fully waterproof, the outer edge of lining is paved with self-adhesive waterproof boards, the arch is single-sided self-adhesive waterproof boards, the side wall and bottom plate are double-sided self-adhesive waterproof boards

Open cut tunnel engineering organization design scheme

The starting and ending mileage of the open excavation section of the section tunnel in this bid section: the right line CK13+250.0~CK13+435.0 is 185m long, the left line CK13+250.0~CK13+437.5 is 187.5m long, and the entrance and exit line of the depot is constructed by open excavation method, and the section form is rectangular reinforced concrete frame structure.

Special construction scheme for steel support of open cut tunnel foundation pit

The plane position of the tunnel is near XXXX, Jieyang City. The tunnel is divided into two sections, open excavation and concealed construction. The mileage of the starting section from the entrance to XXXX station is DK110+820~DK112+662.269, with a length of 1842.269m. The starting section from the end to the exit of XXXX station is DK113+248.268~DK114+250, with a length of

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.