Construction organization design - data download

VIP free Construction Organization Design of a Section of Chongqing Changsha Expressway from Dahan to Qianjiang

Chongqing Changsha Expressway, an inter provincial highway channel for western development, is an important part of xx to xx national key trunk highway, an important horizontal trunk line connecting southwest, central south and southeast China, and also one of the "two rings and eight radiations" in the road network planning of Chongqing. Dahan Qianjiang Highway (the Project) is a section of Chongqing Changsha Highway in Chongqing. The construction of the project is of great significance to improve the layout of the national trunk road network and the main skeleton roads in Chongqing, meet the rapid growth of regional traffic, strengthen the social and economic ties between Chongqing and southeast Chongqing, Hunan, Guizhou and even the coastal areas, accelerate the development of tourism and mineral resources along the line, and promote the implementation of the strategy of western development. The XX contract section of the section from Dahan to Qianjiang undertaken by our department starts from YK42+880 (ZK42+920, There are 1 super major bridge, 10 major bridges, 17 culverts, 2 overpasses and channels, 1269176m3 subgrade earth rock excavation, 323257m3 filling, and the construction period is 36 months.

Yueqing

From category: Road and bridge municipal administration Road and bridge construction design Construction organization design

VIP free Construction Organization Design of Tourist Highway

eight

The section from G015 line of xx highway to ski resort, connecting xx highway and xxx ski resort, is an important tourist route. The section from G015 line of xx highway to ski resort is located between 128 ° 19 ′ - 128 ° 22 ′ east longitude and 44 ° 47 ′ - 45 ° 15 ′ north latitude. The natural division of the highway in the region is Zone II1, that is, the severely frozen area of the piedmont plain in the middle of northeast China. Xx highway starts from K4+500, in front of xxx management office, and passes through xx village, xx village, xxx village, xxx village to K24+965, the end point of xx ski resort. The total length of the route is 20.465km. The original road is a single width two lane Class II highway, and the original road surface is asphalt concrete pavement. Bid section C16 of reconstruction and expansion project from G015 line to ski resort section of xx highway undertakes the construction task of asphalt concrete pavement of the whole line. The pavement structure of widened part is designed as follows: 6cm thick AC-20 ordinary asphalt concrete lower layer, 5cm thick AC-16 modified asphalt concrete upper layer; Half of the old road is paved with AC-20 ordinary asphalt concrete. After the two-way road arch is found to be a one-way road arch, the AC-16 modified asphalt concrete is used for covering. The average thickness of the whole line is 7.8cm. The widening form of the route is: K4+500 ～ K4+650 left widening width transition section, and the subgrade width changes from 8.5m triangle to 18.5m. The left side of K4+650 ～ K20+920 is widened. After widening, the full width of the subgrade is 18.5m, the carriageway is 2 × 3.5m, the hard shoulder is 2 × 3.0m, the marginal strip is 2 × 0.5m, the earth shoulder is 2 × 0.75m, and the median is 3.0m. K20+920 ～ K20+960 is widened from left to both sides. K20+960 ～ K22+130 double side widening section, after widening, the full width of the subgrade is 15.5m, the carriageway is 2 × 3.5m, the hard shoulder is 2 × 3.0m, the earth shoulder is 2 × 0.75m, and the median is 1.0m. K22+130 ～ K22+170 double side widening pavement width transition section. K22+170 ～ K23+720 double side widening section, after widening, the full width of the subgrade is 15.5m, the carriageway is 2 × 3.5m, the hard shoulder is 2 × 1.0m, and the sidewalk is 2 × 3.25m. K23+720 ～ K23+780 double side widening pavement width transition section. K23+780 ～ K24+965 is the non widened section of the subgrade. The subgrade is 8.5m wide, the carriageway is 2 × 3.5m, the hard shoulder is 2 × 0.5m, and the earth shoulder is 2 × 0.25m.

Sincerity

From category: Road and bridge municipal administration Road and bridge construction design Construction organization design

VIP free Construction Organization Design Scheme of Chongqing Railway Zhongliangshan Tunnel Project

ten

Standardize and standardize the formulation of construction scheme, selection of construction process and implementation of construction technology, give priority to scientific and advanced construction methods, and ensure project quality, safety and duration

tumux_3107

From category: Road and bridge municipal administration Road and bridge works Tunnel works

VIP exclusive [Shaanxi] Implementation construction organization design of expressway project (CRCC subgrade, bridge, culvert and tunnel drainage)

eight

The subgrade, bridge and culvert works, tunnel works, subgrade protection and drainage works, as well as the temporary works and civilized site construction that must be completed for the completion of the project, are 4.056km long in XXX section of the subgrade, bridge and tunnel works of Wulangping - xxx section of Hanzhong Lueyang Highway in xxx - xxx link line (G7011) of the national expressway network, and within 2.94km of the Baishuijiang link line.

tumuxiaoma

From category: Road and bridge municipal administration Road and bridge construction design Construction organization design

VIP free Organization design and construction scheme of a highway project

six

The Engineering Department is composed of technicians who have many years of experience in construction design. By using advanced technical means and methods and combining with the actual situation on the site, detailed construction drawings are carefully drawn and submitted to the owner and the supervising engineer for approval, so as to prevent rework and quality accidents caused by design errors.

tumux_34784

From category: Road and bridge municipal administration Road and bridge construction design construction plan

VIP exclusive Practical construction organization design of tunnel works (drawings attached by China Railway)

eight

6、 Main construction methods and main construction processes 1. Construction methods: 1.1 Before the open cut excavation of the portal section, portal and open cut construction tunnel, intercepting ditches shall be set 5m away from the slope brushing line of the front slope. The ditches shall be connected with the side ditches of the cutting to intercept the surface water and prevent the surface water from scouring the front slope and portal of the portal and causing harm; Remove or reinforce the dangerous rock mass above the front slope of the portal so as not to endanger the safety of construction and operation...... 1.1.1 The construction process is to excavate from the entrance (DK248+878, original ground elevation 403.41) at a gradient of 10% according to the design stable slope ratio of 1:1 to the light and dark boundary, and then carry out the support of the portal and front slope and the construction of the hidden tunnel, as well as the excavation and support of the lower part of the open tunnel Foundation treatment and tunnel lining. The excavation front face (tunnel face) at the light and dark boundary shall be temporarily supported by shotcrete with a thickness of 8cm; Arch steel frame shall be erected and arch support shall be provided. During the construction of large pipe shed support, the concrete guide wall shall be constructed in combination with the closure of the tunnel face, and the construction of large pipe shed shall be completed. After the completion of advanced support, under the protection of advanced support, and according to the excavation of concealed tunnel, the construction shall be carried out according to the CRD method of concealed tunnel...... 1.1.2 During the excavation of open tunnel construction, the lining construction of open tunnel shall be started, and during the construction of oblique cut tunnel portal, The lining trolley shall be used to construct the first ring lining concrete of the open cut tunnel in the portal section, and then the inclined cut portal lining concrete. Mantanghong scaffold is used, and a 5.0m wide and 4.5m high passage is reserved in the middle of the scaffold for construction vehicles in the tunnel. Self made lining bench with special steel formwork shall be used for formwork lining. The bench adopts I18 I-beam, and the butt support adopts φ 150mm steel pipe, the formwork is made of special steel formwork, the spacing between steel frames is 1.0m, the installation is vertical, the connection between steel formwork and steel frame is U-shaped clamp, the connection between formworks is pin and clamp, and mortar stop adhesive strip is set between formwork joints. Other technical parameters are the same as the main tunnel lining requirements. During construction, the inverted arch shall be constructed first, and then the arch wall shall be constructed. The formwork is constructed in full section with self-made multi-functional bench. The internal formwork shall be installed first and fixed stably. Concrete pouring can be carried out after it is checked to be correct. During concrete pouring, the external formwork shall be installed and fixed firmly with the increase of concrete pouring height. Concrete pouring shall be transported by concrete truck, pumped into the formwork, and vibrated by immersion vibrator. During concrete pouring, special personnel must be assigned to monitor the deformation of formwork. When removing the formwork, first remove the baffle formwork, then remove the external formwork, and finally remove the internal formwork...... Set deformation joints at the junction of the open and closed tunnels, and lay the middle buried drainage rubber waterstop at the joints for waterproofing. During construction, use special clamps to fix the waterstop to ensure that the position of the waterstop is correct...... When the concrete of the open tunnel arch ring reaches 50% of the design strength, The back of the arch ring shall be leveled with mortar. Set waterproof layer, and immediately lay coiled material waterproof layer from bottom to top after applying a layer of hot asphalt on the arch back; When laying, it shall be closely pasted, overlapped and staggered, and the overlapping length shall not be less than 100mm, and shall extend to the arch back in the tunnel for not less than 50cm. Non woven geotextile shall be laid vertically on the arch back as the filter layer, and the waterproof board and geotextile shall be overlapped and hung as a whole. The arch back shall be paved with clay water resisting layer, compacted layer by layer, well lapped with the slope and inverted slope, and tightly sealed...... When the arch ring concrete reaches the design strength and the arch wall back waterproof facilities are completed, the arch back can be backfilled. The mortar rubble backfilling shall be constructed in layers by symmetrical mortar squeezing method. The earth rock backfill shall be compacted symmetrically and layer by layer, with the thickness of each layer not more than 0.3m, and the height difference of the earth surface backfilled on both sides not more than 0.5m; After backfilling to the arch crown, it shall be fully paved and filled layer by layer, and the top backfill material shall be clay to facilitate water separation...... 1.2 Excavation and support of large section loess tunnel body 1.2.1 CD method excavation and support of Class IV surrounding rock of xxx tunnel with a total length of 370m. CD method excavation shall be adopted, and advance small conduits shall be pre constructed according to the design requirements, with combined support of anchor, mesh and shotcrete, and side walls shall be set Φ 22 mortar anchor rod, set at arch Φ 22 Cartridge anchor bolt, full section mesh shotcreting micro fiber concrete support, supplemented by arch Ф 42 Advance small conduit and full ring steel frame shall be strengthened for support. Each advance small conduit is 5.0m, the circumferential spacing is 0.4m, and the lap length is more than 1.5m; The longitudinal spacing of steel frame is 0.8m. Each steel frame shall be used separately in the upper section tooth groove and wall foot Ф 42. The foot lock anchor pipe is reinforced and welded firmly with the steel frame. The foot lock anchor pipe is 3.7m long Ф 42 steel flower tube and cement mortar. The specific settings of advance support and enhanced support can be adjusted according to the actual geological conditions of the construction...... 1.2.2 CRD method excavation and support The total length of the Class V surrounding rock of xxx tunnel is 266m, and the Class V surrounding rock, the shallow buried section of the tunnel and the tunnel through section are excavated by CRD method. Advance large pipe sheds or advance small conduits are pre constructed according to the design requirements, and the combined support of anchor, mesh and shotcrete is provided, and the side wall is set Φ 22 mortar anchor rod, set at arch Φ 22 Cartridge anchor bolt, full section mesh shotcreting micro fiber concrete support, supplemented by arch Ф 50 advance small conduit and full ring steel frame shall be strengthened for support. Each advance small conduit is 5.0m, the circumferential spacing is 0.4m, and the lap length is more than 1.8m; The longitudinal spacing of steel frame is 0.6~0.8m. Each steel frame shall be used separately in the upper section tooth groove and wall foot Ф 42. The foot lock anchor pipe is reinforced and firmly welded with the steel frame. The foot lock anchor pipe is 3.54m long, and the Ф 42 steel flower tube and cement mortar. The specific setting of advance support and strengthened support can be adjusted according to the actual geological conditions of the construction...... 1.4. Complete and smooth drainage system is set for the waterproof and drainage construction portal works to drain the surface water away from the portal as soon as possible and prevent the surface water from forming new holes near the portal. The ditch at the outer side of the portal end shall be made into a reverse slope drainage of not less than 2 ‰. An intercepting ditch is set 10 m away from the slope line at the tunnel top to intercept the surface water, so that the surface water will flow into the subgrade drainage system to avoid new scouring. The full slope protection of the side and front slopes of the tunnel portal to prevent rain erosion of the slope surface or loess collapse caused by infiltration...... EVA waterproof boards are laid on the arch walls of general sections of the tunnel, waterproof concrete is used for the secondary lining of the tunnel, and its impermeability grade is not less than P8...... The longitudinal and circumferential construction joints of the whole tunnel are coated with concrete interface agent and added with buried rubber waterstop, The inner edge of the circumferential construction joint of the arch wall shall be caulked with two-component polysulfide sealant. The circumferential construction joint shall be counted and listed as one 10m, and the longitudinal construction joint shall be counted and listed as two. Second lining arch

tumux_63619

From category: Road and bridge municipal administration Road and bridge works Tunnel works

VIP exclusive Construction organization design of bridge works (provided by China Railway Bridge Bureau)

six

This data is for the construction organization design of bridge engineering (provided by China Railway Bridge Bureau) and can be used for reference.

Relativity

From category: Road and bridge municipal administration Road and bridge works traffic engineering

VIP free Practical overall construction organization design of an expressway (including road, bridge, tunnel, culvert, retaining ditch)

ten

XX Expressway is an important part of the Hangzhou Lanzhou line of the national key highway construction, the ninth of the "13 vertical and 15 horizontal" national key highway network, an important horizontal trunk line connecting the eastern, central and western regions of China, and an important part of the "two rings and eight radiations" high-grade highway network of Chongqing. The construction of this project will improve the national trunk highway network, It is of great significance to improve the backward and blocked traffic in the Three Gorges Reservoir Area, promote the local economic construction, implement the "Western Development", and implement the economic, cultural and other horizontal exchanges and development between the East and the West.

Yueqing

From category: Road and bridge municipal administration Road and bridge construction design Construction organization design

VIP free Overall Construction Organization Design of a Highway Bridge Project in Hunan Province of Erenhot Guangzhou National Expressway

eight

Yueqing

From category: Road and bridge municipal administration Road and bridge construction design Construction organization design

VIP free Construction organization design scheme of a road and bridge in Jinghu New District, Shaoxing, Zhejiang

eight

In this project, since the road, bridge (No. 1, No. 2), drainage and retaining wall within the range of stake number 0K+000-1K+563.246? As a secondary road in Jinghu New Area, the road starts from 104 north double track in the south, and ends at "10" in the north? Road, the total length of the route is about 1563.246M, the width of the red line of the road is 24M, and two 24M wide bridges need to be built, of which 1 # bridge is a beam bridge with a skew angle of 15 °, a span of 16M, and the elevation of the beam bottom is 6.3M; 2 # bridge is orthogonal, five span 16M beam bridge, and the beam bottom elevation is 6.3M; Another Lou and four ponds will be filled.

Xiao Fan is here

From category: Road and bridge municipal administration Road and bridge construction design Construction organization design

VIP exclusive Construction Organization Design of Shitouhe Highway Bridge New Project of Nangang Group/

ten

Section I Project Overview Section II Natural Conditions Section III Project Features

tumux_36053

From category: Construction documents Construction organization design Construction organization design of road and bridge tunnels

VIP exclusive Practical Construction Organization Design of Highway Engineering Page 231 Attached CAD Drawing (Road, Bridge, Tunnel and Culvert, Traffic Electromechanical)

six

tumux_3107

From category: Road and bridge municipal administration Road and bridge construction design Construction organization design

VIP exclusive [Guizhou] famous enterprises prepare 309 pages of practical construction organization design for expressway projects (including rich road, bridge and tunnel charts)

eight

The project feasibility study approval mileage of Guizhou XX XX Expressway is 249.637km, and the preliminary design mileage is 253.973km. The line is divided into three sections, namely, Fushouchang Hexi section (73.817km), Hexi XX section (76.321km), and XX XX section (96.135km). The proportion of bridges and tunnels along the line is about 40%, and the width of the main line is 24.5m. The elevation of the project area is about 600~1070m, and the relative elevation difference is 100~200m. The unfavorable geology along the line mainly includes karst, collapse dangerous rock, landslide and soft foundation. The project adopts the construction mode of BOT+EPC, and is implemented by a consortium of CCCC's Road Construction, Fourth Harbor Engineering Bureau and Second Highway Engineering Design&Research Institute. The project company (Guizhou CCCC Fuhe, Hexing and Xinglu Expressway Development Co., Ltd.) was established.

Yueqing

From category: Road and bridge municipal administration Road and bridge construction design Construction organization design

VIP exclusive Construction organization design of a bridge

seven

Including organization, overall construction scheme, equipment and personnel allocation, quality and safety assurance system, safe and civilized construction and other complete materials

minjiangju03

From category: Road and bridge municipal administration Road and bridge construction design Construction organization design

VIP free Detailed construction organization design scheme of a railway project

eight

The current operation condition of the project is double track, the line is basically seamless track, the section signal is automatic block, and the locomotive is diesel. After transformation, the whole line will form an electrified double track railway, and the target speed of passenger trains in most sections will reach 160km/h.