Detail of YD/T 5178-2017

Introduction of YD/T 5178-2017

YD/T 5178-2017 Drawing Gallery of Manhole and Handhole for Communication Conduit Engineering General description 1. This drawing gallery is a collection of professional drawings of manholes and handholes for communication conduit engineering construction. 2. This drawing gallery covers standard series of brick manholes and handholes, concrete block manholes and fittings. 3. This drawing gallery is applicable to the constructed communication conduit engineering. For the renovated and extended communication conduit engineering, the relevant provisions of this drawing gallery may be applicable based on local material supply and construction site conditions, environment, municipal requirements, etc. 4. The bearing capacity of manhole and handhole overlay is determined according to factors such as the maximum load that may occur at the place where it is set. The bearing capacity of the hole ring installed on the overlay shall be matched with that of the overlay. 5. Where the manhole and handhole exceed the dimensions and use conditions specified herein, their foundation, wall and overlay structure shall be calculated separately. 6. For the purpose of this drawing gallery, the specifications and dimensions in the manhole drawings, handhole drawings and fitting drawings are in millimeters. I. Standard series of drawings I Description of standard series of drawings I 1. Applicable conditions (1) This standard series of manholes and handholes have four walls of brick masonry structure, plain concrete foundations, and precast overlays. (2) This standard series is suitable for use in environments where the foundation soil and groundwater are not corrosive or micro-corrosive and in areas geologically solid, with seismic fortification intensity of 8 and below. (3) The environmental category IIb is considered in the calculation of the overlay slab: Wet-dry alternating environment; environment with frequent changes of water level; open-air environment in severe cold and cold regions; environment above the freezing line and in direct contact with non-erosive water or soil in severe cold and cold regions. The manhole (handhole) overlays exceeding the requirements of the above environmental category (saline soil environment, coastal environment, etc.) shall be recalculated. (4) The characteristic value of foundation bearing capacity of building manholes (handholes), fak, shall be ≥100kPa. (5) For manholes with four walls of 240mm in thickness, the maximum permissible value of their internal clear height is 2.7m; for those with four walls of 370mm in thickness, the maximum permissible value of their internal clear height is 4.0m. For manholes exceeding the above height ranges, the strength of their four walls shall be recalculated. 2. Design bases (1) GB 50009 Load code for the design of building structures (2) GB 50010 Code for design of concrete structures (3) GB 50003 Code for design of masonry structures (4) GB 50203 Code for acceptance of construction quality of masonry engineering (5) GB 50204 Code for construction and acceptance of concrete structures (6) GB 50007 Code for design of building foundation (7) GB 50373 Design code for communication conduit and passage engineering (8) GB 50374 Code of construction and acceptance for communication conduit engineering (9) JTG D60 General specifications for design of highway bridges and culverts 3. Specifications, types, and applicable conduit hole capacities and positions (1) Specifications and applicable conduit hole capacities 4. Loads (1) The thickness of covering soil on the manhole (handhole) overlay shall not be greater than 100mm. (2) The maximum vehicle wheel pressure on the manhole (handhole) overlay is 70kN. (3) The standard value of the live load on the manhole (handhole) overlay is 4kN/m2, which is 2kN/m2 when the maximum wheel pressure is considered. (4) The dead weight of members has been considered in the design, so it does not need to be included when selecting members. (5) Manholes are classified as follows according to the load-bearing capacity of the manhole overlay: a. Manholes suitable for setting at places where heavy trucks pass on expressways and trunk roads. b. Manholes suitable for setting at places where heavy trucks pass on secondary trunk roads and branch roads.   c. Manholes for which the value of vehicle load is calculated according to the standard rear axle weight of 2×140kN of "Class I highway", which is the same as the rear axle weight of "Automobile - Class super 20" in the former code. 5. Materials (1) Concrete strength grade: C25 for precast members; C15 for foundation. (2) Steel bars: HPB300 and HRB335 hot-rolled steel bars. (3) Masonry structures: According to the building materials in the area where the engineering is located, sintered common bricks permitted within the scope of national policies may be used, of which the strength grade shall not be less than MU10; in case of cement mortar, the strength grade shall be M10. 6. Applicable scenarios of manhole (handhole) rings The manhole (handhole) rings made of ductile cast iron are suitable for installation in load-bearing or non-load-bearing places; those made of glass fiber are only suitable for installation in non-load-bearing places such as green belts or pedestrian walkways. 7. Others (1) The thickness of reinforced concrete cover for precast overlay shall be 25mm. (2) Groundwater or surface water on site, if any, shall be lowered and drained first. The masonry shall be built with the waterproof brick wall masonry method of "5 stretcher courses to 1 header course alternately", and the masonry mortar shall be fully laid. The horizontal and vertical joints of the walls shall be full of mortar. (3) The front and back sides of the precast overlay shall be indicated after fabrication. (4) Before and after the precast overlay is installed in place, M10 cement mortar shall be applied for grouting and sealing. (5) The backfill soil shall be evenly backfilled along the periphery and compacted in layers after the overlay installation is completed and the required strength is reached. (6) This standard series shall be provided with C15 plain concrete foundation. If there are other requirements in engineering design, the design requirements shall be followed. (7) When the manhole (handhole) overlay slab is poured on the manhole (handhole) masonry (i.e. on-site pouring), the thickness of the manhole (handhole) overlay slab block shall remain unchanged, and the preparation of steel bars shall still comply with this series of drawings. (8) The mouth cavities of manholes (handholes) shall preferably be made of concrete instead of brickwork. (9) The La value of structural steel bars at the edge of the hole shall not be less than 420mm. (10) For conduit windows with a width of greater than 600mm, precast concrete lintels shall be added. (11) The number of lifting points in the hoisting of the manhole (handhole) overlay slabs with four hooks reserved shall not be less than 3. (12) The dimensions of the reserved window for conduit in manholes (handholes) shall be determined based on the cross-sectional form of the conduit combination or group.

Contents of YD/T 5178-2017

General description I. Standard series of drawings I Description of standard series of drawings I 1. Manhole series Plan view of small thru-type manhole Sectional view of small thru-type manhole Plan view of small tee-type manhole Sectional view of small tee-type manhole Plan view of small cross-type manhole Sectional view of small cross-type manhole Plan view of small 15° slant-pass-type manhole Sectional view of small 15° slant-pass-type manhole Plan view of small 30° slant-pass-type manhole Sectional view of small 30° slant-pass-type manhole Plan view of small 45° slant-pass-type manhole Sectional view of small 45° slant-pass-type manhole Plan view of small 60° slant-pass-type manhole Sectional view of small 60° slant-pass-type manhole Plan view of small 75° slant-pass-type manhole Sectional view of small 75° slant-pass-type manhole Drawing of steel bars in overlay at end and middle of small manhole Drawing of steel bars in overlay for small thru-type manhole Drawing of steel bars in overlay (at branch end) for small tee-type manhole Drawing of steel bars in overlay (at branch end) for small cross-type manhole Drawing of steel bars in overlay for small 15° slant-pass-type manhole Drawing of steel bars in overlay for small 30° slant-pass-type manhole Drawing of steel bars in overlay (at bend end) for small 45° slant-pass-type manhole Drawing of steel bars in overlay (at bend end) for small 60° slant-pass-type manhole Drawing of steel bars in overlay (at bend end) for small 75° slant-pass-type manhole Plan view of medium-sized thru-type manhole Sectional view of medium-sized thru-type manhole Plan view of medium-sized tee-type manhole Sectional view of medium-sized tee-type manhole Plan view of medium-sized cross-type manhole Sectional view of medium-sized cross-type manhole Plan view of medium-sized 15° slant-pass-type manhole Sectional view of medium-sized 15° slant-pass-type manhole Plan view of medium-sized 30° slant-pass-type manhole Sectional view of medium-sized 30° slant-pass-type manhole Plan view of medium-sized 45° slant-pass-type manhole Sectional view of medium-sized 45° slant-pass-type manhole Plan view of medium-sized 60° slant-pass-type manhole Sectional view of medium-sized 60° slant-pass-type manhole Plan view of medium-sized 75° slant-pass-type manhole Sectional view of medium-sized 75° slant-pass-type manhole Drawing of steel bars in overlay at end and middle of medium-sized manhole Drawing of steel bars in overlay for medium-sized thru-type manhole Drawing of steel bars in overlay (at branch end) for medium-sized tee-type manhole Drawing of steel bars in overlay (at branch end) for medium-sized cross-type manhole Drawing of steel bars in overlay for medium-sized 15° slant-pass-type manhole Drawing of steel bars in overlay for medium-sized 30° slant-pass-type manhole Drawing of steel bars in overlay (at bend end) for medium-sized 45° slant-pass-type manhole Drawing of steel bars in overlay (at bend end) for medium-sized 60° slant-pass-type manhole Drawing of steel bars in overlay (at bend end) for medium-sized 75° slant-pass-type manhole Plan view of large thru-type manhole Sectional view of large thru-type manhole Plan view of large tee-type manhole Sectional view of large tee-type manhole Plan view of large cross-type manhole Sectional view of large cross-type manhole Plan view of large 15° slant-pass-type manhole Sectional view of large 15° slant-pass-type manhole Plan view of large 30° slant-pass-type manhole Sectional view of large 30° slant-pass-type manhole Plan view of large 45° slant-pass-type manhole Sectional view of large 45° slant-pass-type manhole Plan view of large 60° slant-pass-type manhole Sectional view of large 60° slant-pass-type manhole Plan view of large 75° slant-pass-type manhole Sectional view of large 75° slant-pass-type manhole Drawing of steel bars in overlay at end and middle of large manhole Drawing of steel bars in overlay in the middle of large thru-type manhole Drawing of steel bars in overlay (at branch end) for large tee-type manhole Drawing of steel bars in overlay (at branch end) for large cross-type manhole Drawing of steel bars in overlay (at both ends) for large 15° slant-pass-type manhole Drawing of steel bars in overlay (at bend end) for large 30° slant-pass-type manhole Drawing of steel bars in overlay (at bend end) for large 45° slant-pass-type manhole Drawing of steel bars in overlay (at bend end) for large 60° slant-pass-type manhole Drawing of steel bars in overlay (at bend end) for large 75° slant-pass-type manhole 2. Handhole series Drawing of 550×550 handhole Plan view and sectional view of 700×900 handhole Drawing of steel bars in overlay for 700×900 handhole Plan view and sectional view of 900×1,200 handhole Drawing of steel bars in overlay for 900×1,200 handhole Plan view and sectional view of 1,000×1,500 handhole Drawing of steel bars in overlay for 1,000×1,500 handhole Plan view and sectional view of 1,200×1,700 handhole Drawing of steel bars in overlay for 1,200×1,700 handhole 3. Fittings series Drawing of outer cover (ductile cast iron) for manhole (handhole) ring I Drawing of outer cover (glass fiber) for manhole (handhole) ring I Drawing of base (cast iron) for manhole (handhole) ring I Drawing of sub-cover (glass fiber) for manhole (handhole) ring I Drawing of sub-cover (cast iron) for manhole (handhole) ring I Drawing of outer cover accessories for manhole (handhole) ring I Assembly drawing of manhole (handhole) ring I Plan view of outer cover (ductile cast iron) for manhole (handhole) ring II Side view of outer cover (ductile cast iron) for manhole (handhole) ring II Plan view of base (ductile cast iron) for manhole (handhole) ring II Side view of base (ductile cast iron) for manhole (handhole) ring II Accessories drawing of manhole (handhole) ring II Assembly drawing of manhole (handhole) ring II Drawing for manhole cover (ductile cast iron) of 550×550 handhole Drawing for base (ductile cast iron) of 550×550 handhole ring Drawing of cable support Drawing of cable support plate Drawing of water collection tank Drawing of tension ring Drawing of driftbolt Drawing of concrete hole ring Drawing of prefabricated lintel for manhole opening II. Standard series of drawings II Description of standard series of drawings II 1. 50kN manhole series 1,500×900×1,200 precast concrete brick thru-type manhole (50kN) 1,500×900×1,200 precast concrete brick thru-type manhole (50kN) 1,500×900×1,200 precast concrete brick thru-type manhole (50kN) 1,800×1,200×1,800 precast concrete brick thru-type manhole (50kN) 1,800×1,200×1,800 precast concrete brick thru-type manhole (50kN) 1,800×1,200×1,800 precast concrete brick thru-type manhole (50kN) 2,000×1,400×1,800 precast concrete brick thru-type manhole (50kN) 2,000×1,400×1,800 precast concrete brick thru-type manhole (50kN) 2,000×1,400×1,800 precast concrete brick thru-type manhole (50kN) 2,400×1,400×1,800 precast concrete brick thru-type manhole (50kN) 2,400×1,400×1,800 precast concrete brick thru-type manhole (50kN) 2,400×1,400×1,800 precast concrete brick thru-type manhole (50kN) 2,400×1,400×1,800 precast concrete brick tee-type manhole (50kN) 2,400×1,400×1,800 precast concrete brick tee-type manhole (50kN) 2,400×1,400×1,800 precast concrete brick tee-type manhole (50kN) 2,400×1,400×1,800 precast concrete brick cross-type manhole (50kN) 2,400×1,400×1,800 precast concrete brick cross-type manhole (50kN) 2,400×1,400×1,800 precast concrete brick cross-type manhole (50kN) 3,000×1,500×1,800 precast concrete brick thru-type manhole (50kN) 3,000×1,500×1,800 precast concrete brick thru-type manhole (50kN) 3,000×1,500×1,800 precast concrete brick thru-type manhole (50kN) 3,000×1,500×1,800 precast concrete brick tee-type manhole (50kN) 3,000×1,500×1,800 precast concrete brick tee-type manhole (50kN) 3,000×1,500×1,800 precast concrete brick tee-type manhole (50kN) 3,000×1,500×1,800 precast concrete brick cross-type manhole (50kN) 3,000×1,500×1,800 precast concrete brick cross-type manhole (50kN) 3,000×1,500×1,800 precast concrete brick cross-type manhole (50kN) 4,000×2,000×1,800 precast concrete brick thru-type manhole (50kN) 4,000×2,000×1,800 precast concrete brick thru-type manhole (50kN) 4,000×2,000×1,800 precast concrete brick thru-type manhole (50kN) 4,000×2,000×1,800 precast concrete brick tee-type manhole (50kN) 4,000×2,000×1,800 precast concrete brick tee-type manhole (50kN) 4,000×2,000×1,800 precast concrete brick tee-type manhole (50kN) 4,000×2,000×1,800 precast concrete brick cross-type manhole (50kN) 4,000×2,000×1,800 precast concrete brick cross-type manhole (50kN) 4,000×2,000×1,800 precast concrete brick cross-type manhole (50kN) 6,200×2,000×2,000 precast concrete brick vault manhole (50kN) 6,200×2,000×2,000 precast concrete brick vault manhole (50kN) 6,200×2,000×2,000 precast concrete brick vault manhole (50kN) 8,500×2,000×2,000 precast concrete brick vault manhole (50kN) 8,500×2,000×2,000 precast concrete brick vault manhole (50kN) 8,500×2,000×2,000 precast concrete brick vault manhole (50kN) 1,500×1,500×150 manhole precast concrete top slab DB1515A (50kN) 1,600×1,800×150 manhole precast concrete top slab DB1816A (50kN) 2,300×2,600×200 manhole precast concrete top slab DB2623A(50kN) 300×1,500×150 500×1,800×150 850×1,800×150 manhole precast concrete top slab DB1503A DB1805A DB1809A(50kN) 2. 70kN manhole series 1,500×900×1,200 precast concrete brick thru-type manhole (70kN) 1,500×900×1,200 precast concrete brick thru-type manhole (70kN) 1,500×900×1,200 precast concrete brick thru-type manhole (70kN) 1,800×1,200×1,800 precast concrete brick thru-type manhole (70kN) 1,800×1,200×1,800 precast concrete brick thru-type manhole (70kN) 1,800×1,200×1,800 precast concrete brick thru-type manhole (70kN) 2,000×1,400×1,800 precast concrete brick thru-type manhole (70kN) 2,000×1,400×1,800 precast concrete brick thru-type manhole (70kN) 2,000×1,400×1,800 precast concrete brick thru-type manhole (70kN) 2,400×1,400×1,800 precast concrete brick thru-type manhole (70kN) 2,400×1,400×1,800 precast concrete brick thru-type manhole (70kN) 2,400×1,400×1,800 precast concrete brick thru-type manhole (70kN) 2,400×1,400×1,800 precast concrete brick tee-type manhole (70kN) 2,400×1,400×1,800 precast concrete brick tee-type manhole (70kN) 2,400×1,400×1,800 precast concrete brick cross-type manhole (70kN) 2,400×1,400×1,800 precast concrete brick cross-type manhole (70kN) 2,400×1,400×1,800 precast concrete brick cross-type manhole (70kN) 2,400×1,400×1,800 precast concrete brick cross-type manhole (70kN) 3,000×1,500×1,800 precast concrete brick thru-type manhole (70kN) 3,000×1,500×1,800 precast concrete brick thru-type manhole (70kN) 3,000×1,500×1,800 precast concrete brick thru-type manhole (70kN) 3,000×1,500×1,800 precast concrete brick tee-type manhole (70kN) 3,000×1,500×1,800 precast concrete brick tee-type manhole (70kN) 3,000×1,500×1,800 precast concrete brick tee-type manhole (70kN) 3,000×1,500×1,800 precast concrete brick cross-type manhole (70kN) 3,000×1,500×1,800 precast concrete brick cross-type manhole (70kN) 3,000×1,500×1,800 precast concrete brick cross-type manhole (70kN) 4,000×2,000×1,800 precast concrete brick thru-type manhole (70kN) 4,000×2,000×1,800 precast concrete brick thru-type manhole (70kN) 4,000×2,000×1,800 precast concrete brick thru-type manhole (70kN) 4,000×2,000×1,800 precast concrete brick tee-type manhole (70kN) 4,000×2,000×1,800 precast concrete brick tee-type manhole (70kN) 4,000×2,000×1,800 precast concrete brick tee-type manhole (70kN) 4,000×2,000×1,800 precast concrete brick cross-type manhole (70kN) 4,000×2,000×1,800 precast concrete brick cross-type manhole (70kN) 4,000×2,000×1,800 precast concrete brick cross-type manhole (70kN) 6,200×2,000×2,000 precast concrete brick vault manhole (70kN) 6,200×2,000×2,000 precast concrete brick vault manhole (70kN) 6,200×2,000×2,000 precast concrete brick vault manhole (70kN) 8,500×2,000×2,000 precast concrete brick vault manhole (70kN) 8,500×2,000×2,000 precast concrete brick vault manhole (70kN) 8,500×2,000×2,000 precast concrete brick vault manhole (70kN) 1,500×1,500×200 manhole precast concrete top slab DB1515B (70kN) 1,600×1,800×200 manhole precast concrete top slab DB1816B (70kN) 2,300×2,600×200 manhole precast concrete top slab DB2623B (70kN) 300×1,500×200 500×1,800×200 850×1,800×200 manhole precast concrete top slab DB1503B DB1805B DB1809B (70kN) 3. Fittings series Detail of collecting well and top slab joint 540×150×150 Type A precast concrete brick 380×150×150 Type B precast concrete brick Detail of Type I curved brick Drawing of ductile cast iron manhole cover Drawing of ductile cast iron manhole ring Drawing of steel fiber reinforced concrete manhole cover Drawing of ductile cast iron flip manhole cover frame 600mm manhole cable angle iron support 900mm manhole cable angle iron support 1,250mm manhole cable angle iron support Manhole cable tension ring Fishtail bolt for manhole angle iron support