Construction Scheme for Cast in situ Box Girder of Expressway Interchange Ramp Bridge (Page 55)

1： Project overview The main bridge of an ramp bridge crosses a canal in the planning, and the navigation level is Class III. A 45m+80m+45m cast-in-place prestressed concrete continuous box girder with variable section is adopted.  

Drawing content: 51 drawings in total, including general layout, cross section and pavement structure, general structure of box girder, structure of reinforcement under cast-in-place box girder anchor, structure of prestressed steel tendon anchorage of box girder, structure of reinforcement at various parts, structure of expansion joints, structure of piers and abutments, and structure of deck drainage.

1、 Project overview There are 15 cast-in-place box girders in this section, including 3 spans of the widening section of the tenth link of the right side of K86+633.25 Jinpu railway separation overpass, with 3 × 30m bridge openings; K88+615 viaduct has 4 spans in the widened section of the first bridge deck on the left side, and the bridge opening is arranged as 4 × 30m; The AK0+337.345 ramp bridge has 8 spans on the left and right, and the bridge opening is arranged with 19+6 × 25+20m on the left and 20+6 × 25+19m on the right. 　

Content introduction Load standard: Highway - Level I earthquake intensity: 6 degree Bridge deck width: 10.5m Expansion device: 80 type expansion device Superstructure: 4x35m prestressed concrete cast-in-place box girder. Substructure: column abutment is adopted for No. 0 abutment, and bored pile foundation is adopted for foundation; U-shaped abutment is adopted for No. 4 abutment, and expanded foundation is adopted for its foundation; The pier is vase type, and its foundation is bored pile foundation. ...... Bridge description; Bill of quantities of bridge works; Layout of bridge type (II); Coordinate map of pile location; Standard cross-section of superstructure; Structural drawing of bridge deck pavement reinforcement; General structural drawing of prestressed concrete box girder (III); Detail drawing of prestressed box girder steel tendon; Construction flow chart of prestressed box girder; Structural Drawing of Prestressed Concrete Box Girder Reinforcement (III); Structural drawing of middle beam reinforcement; Structural drawing of end beam reinforcement; Structural drawing of diaphragm reinforcement; Structural drawing of prestressed concrete box girder under anchor and anti collapse reinforcement; General structural drawing of abutment (II); Structural drawing of reinforcement of abutment capping beam; Structural drawing of reinforcement of abutment ear wall cap; Structural drawing of abutment cap reinforcement; Structural drawing of U-abutment side wall reinforcement (III); Structural drawing of abutment pile foundation reinforcement; General structural drawing of pier; Structural drawing of pier column, cushion cap and pile foundation reinforcement; Structural drawing of bearing pad stone reinforcement (II); Structural Drawing of Reinforcement of Abutment Retaining Block (II); Structural drawing of anti-collision wall reinforcement on bridge; Structural drawing of anti-collision wall reinforcement of ear wall and side wall; Structural drawing of approach slab reinforcement; Structural drawing of drainage at the back of U-shaped abutment; Installation diagram of 80 type expansion joint; Schematic diagram of bridge deck drainage; Structural drawing of pile foundation concrete quality inspection pipe; General structural drawing of stairway; Structural Drawing of Abutment Protection...... 41 in total, prepared in 2010 Bridge Type Layout General Structural Drawing of Abutment Structural Drawing of Deck Paving Conical Slope Structural Drawing of End Beam Reinforcement Structural Drawing of Pier Pier Column Reinforcement Structural Drawing

This interchange is located at the intersection of A16 expressway and A30 highway. The included angle between A16 expressway and A30 highway is about 7.280 °. The whole interchange will be implemented in the near future and in the long term. The recent bridge structures mainly include SW, WN, WS and NW, with a total of four ramp bridges.

The drawings include: 1 bridge site plan 2 bill of quantities of main engineering materials of the whole bridge 3 bridge type layout (I) 4 bridge type layout (II) 5 bridge type layout (III) 6 bridge standard cross section 7 box girder general structure (I) 8 box girder general structure (II) 9 box girder general structure (III) 10 box girder general structure (IV) 11 General structure of box girder (V) 12 General structure of box girder (VI) 13 General structure of box girder (VII) 14 General structure of box girder (VIII) 15 General structure of box girder (IX) 16 General structure of box girder (X) 17 General structure of box girder (XI) 18 General structure of box girder (XII) 19 General structure of box girder (XIII) 20 General structure of box girder (XIV) 21 General structure of box girder (XV) 22 General structure of box girder (XVI) 23 Reinforcement structure of box girder (I) 24 Reinforcement structure of box girder (II) 25 Reinforcement structure of box girder (III) 26 Reinforcement structure of box girder (IV) 27 Reinforcement structure of box girder (V) 28 Reinforcement structure of box girder (VI) 29 Box girder reinforcement structure (VII) 30 Box girder reinforcement structure (VIII) 31 Box girder reinforcement structure (IX) 32 Box girder reinforcement structure (X) 33 Box girder reinforcement structure (XI) 34 Box girder reinforcement structure (XII) 35 Box girder reinforcement structure (XIII) 36 Box girder reinforcement structure (XIV) 37 Box girder steel reinforcement structure (XV) 38 Box girder reinforcement structure (XVI) 39 Box girder roof reinforcement structure (I) 40 Box girder roof reinforcement structure (II) 41 Box girder roof reinforcement structure (III) 42 Box girder roof reinforcement structure (IV) 43 Box girder roof reinforcement structure (V) 44 Box girder roof reinforcement structure (VI) 45 Box girder roof reinforcement structure (VII) 46 Reinforcement structure of box girder top plate (VIII) 47 Reinforcement structure of box girder top plate (IX) 48 Reinforcement structure of box girder top plate (X) 49 Reinforcement structure of box girder bottom plate (I) 50 Reinforcement structure of box girder bottom plate (II) 51 Reinforcement structure of box girder bottom plate (III) 52 Reinforcement structure of box girder bottom plate (IV) 53 Reinforcement structure of box girder bottom plate (V) 54 Reinforcement structure of box girder bottom plate (VI) 55 Reinforcement structure of box girder bottom plate (VII) 56 Reinforcement structure of box girder bottom plate (VIII) 57 Detailed drawing of box girder reinforcement and material quantity table (I) 58 Detailed drawing of box girder reinforcement and material quantity table (II) 59 Reinforcement structure of box girder skeleton (I) 60 Reinforcement structure of box girder skeleton (II) 61 Reinforcement structure of box girder skeleton (III) 62 Reinforcement structure of box girder skeleton (IV) 63 Reinforcement structure of end crossbeam (I) Reinforcement structure of 64 end crossbeam (II) Reinforcement structure of 65 end crossbeam (III) Reinforcement structure of 66 end crossbeam (IV) Reinforcement structure of 67 end crossbeam (V) Reinforcement structure of 68 end crossbeam (VI) 69 end beam reinforcement structure (VII) 70 middle beam prestressed tendon structure 71 middle beam reinforcement structure (I) 72 middle beam reinforcement structure (II) 73 middle beam reinforcement structure (III) 74 middle beam reinforcement structure (IV) 75 box beam end cantilever thickened reinforcement structure (I) 76 box beam end cantilever thickened reinforcement structure (II) 77 Outer guardrail structure 78 Inner guardrail structure 79 Bearing structure (I) 80 Bearing structure (II) 81 Carriageway expansion joint structure (I) 82 Carriageway expansion joint structure (II) 83 Deck drainage structure 84 Pier general structure (I) 85 Pier general structure (II) 86 Pier general structure (III) 87 Pier pile column reinforcement structure (I) 88 Pier pile column reinforcement structure (II) 89 Pier pile column reinforcement structure 4 # pier 90 Pier column reinforcement structure 5 #, 6 #, 7 # pier 91 Pier bearing platform reinforcement structure (I) 92 Pier bearing platform reinforcement structure (II) 93 5 #, 6 #, 7 # pier foundation pile reinforcement structure 94 # abutment general structure 95 # abutment general structure 96 # abutment abutment cap reinforcement structure 97 # abutment ear wall, retaining block reinforcement structure (I) 98 # abutment ear wall, retaining block reinforcement structure (II) 99 # abutment ear wall, retaining block reinforcement structure (I) 100 # abutment ear wall Reinforcement structure of retaining block (II) 101 Reinforcement structure of abutment body 102 Reinforcement structure of abutment cushion cap 103 Reinforcement structure of 0 # abutment foundation pile 104 Reinforcement structure of 11 # abutment foundation pile 105 Foundation pile coordinates table 106 Reinforcement structure of approach slab at bridgehead 107 General structure of 0 # abutment cone slope 108 General structure of 11 # abutment cone slope 109 0 # abutment water dustpan structure 110 Water dustpan structure of 11 # abutment

Design points:

1. The span combination of the superstructure is (4x32.604) m, with a total of one link, 8.66~8.75m wide and 130.417m long; The single box and single room section is adopted, the beam height is 210cm, the top and bottom plate are 25cm thick, and the web thickness at the middle of the span and near the fulcrum is 40cm and 60cm respectively.

2. The substructure adopts 200 × 382cm rectangular pier, the foundation is 4 Φ 120cm double row piles, and a 200cm thick cushion cap is set on the pile top.

Design Description Bill of Quantities of Main Materials for the Whole Bridge Layout of Bridge Type Pile Location Coordinate Diagram Structural Drawing of Reinforcement for Deck Pavement (I) Structural Drawing of Reinforcement for Deck Pavement (II) General Structural Drawing of Box Girder (I) General Structural Drawing of Box Girder (II) General Structural Drawing of Box Girder (III) Structural Drawing of Reinforcement for Box Girder (I) Structural drawing of box girder reinforcement (II) Structural drawing of box girder reinforcement (III) Structural drawing of box girder reinforcement (IV) Structural drawing of box girder reinforcement (V) Structural drawing of box girder web reinforcement (I) Structural drawing of box girder web reinforcement (II) Structural Drawing of Reinforcement in Middle Cross Beam of Box Girder Structural Drawing of Reinforcement in Cross Beam at Box Beam End at Top of Pier 0 Structural Drawing of Reinforcement in Cross Beam at Box Beam End at Top of Abutment 5 Structural Drawing of Reinforcement in Abutment General Structural Drawing of Reinforcement in Abutment Capping Beam Structural Drawing of Reinforcement in Abutment Ear Wall Structural Drawing of Reinforcement in Abutment Rib Plate Structural Drawing of Reinforcement in Abutment Bearing Platform Structural Drawing of Reinforcement in Abutment Pile Foundation Structural Drawing of Reinforcement in Abutment I General Structural Drawing Reinforcement Structure of Consolidated Pier Pier Column Structural Drawing Reinforcement Structure of Hinged Pier Pier Column Structural Drawing Reinforcement Structure of Pier Bearing Platform Structural Drawing Reinforcement Structure of Pier Pile Foundation Structural Drawing Support Layout and Structural Drawing Reinforcement Structure of Wall Guardrail on Bridge Structural Drawing Reinforcement Structure of Wall Guardrail on Earwall Structural Drawing Anti collision Guardrail at Expansion Joint Structural Drawing GQF-80 Expansion Joint Device at No. 5 Abutment Structural Drawing 5 Structural Drawing of Approach Slab Reinforcement at the Back of Abutment Layout of Deck Drainage System Structural Drawing of Pier Cone Slope Protection, Steps and Abutment Backfill Structural Drawing of Ultrasonic Testing Pipes in Bored Cast in place Piles

Design Drawing of Interchange A Ramp Bridge 1. Bill of Quantities of Main Engineering Materials of the Whole Bridge 2. Plan of Yuguanying Interchange A Ramp Bridge Site 3. Geological Profile of Yuguanying Interchange A Ramp Bridge 4. General Layout of Yuguanying Interchange A Ramp Bridge 5 Structural Drawing of Bridge Cross Section and Pavement 6, General Structural Drawing of 20m Equal Width Box Girders 7, General Structural Drawing of 30m Equal Width Box Girders 8, Structural Drawing of 20m Equal Width Box Girders Common Reinforcement (I) 9, Structural Drawing of 20m Equal Width Box Girders Common Reinforcement (II) 10, 20m Side Span Longitudinal Reinforcement Framework Structure 49 drawings in total