Permanent Bailey Truss Bridge Large Span of Prefabricated and Flexible

• After-sales Service: Guidance and Installation Services
• Warranty: 3 Years
• Certification: DIN, JIS, GB, BS, ASTM, AISI
• Life: Permanent Bridge
• Across Way: Fixed Bridge
• Lane Position: Down Through Bridge
• Model NO.: GWD/CB300/Delta/HBD60/CB450
• Usage: Over Water Bridge, Tractor Bridge, Pontoon, Footbridge, Public Iron Dual Purpose Bridge, Highway Bridge
• Scale: Middle Bridge
• Stress Characteristics: Truss Bridge
• Material: Steel Bridge
• Steel Grade: S355/ S460/Gr 55c/Gr350/Gr50/Gr65/GB355/460
• Loading Capacity: Hl93/Ha+20hb/T44/Class a/B/MLC110/dB24
• Model Alias: CD450, CD, 450-Type, Hbd60,CB300
• Welding Standard: Aws D1.1/Aws D1.5/AS/NZS 1554 or Equivalent
• Hot DIP Galvanized: ISO1461/AS/NZS 4680/ASTM-A123/BS1706
• Surface Painted: Long-Term Epoxy Zinc-Rich Kit or Temporary Alkyd
• Bolt: 10.9s
• Design Standard: Aashto/BS5400/Irc 70r /As5100/ Korea 1st Grade
• Transport Package: Transported by Container/Truck in Strong Packing
• Specification: Panel Dimension: 3.048m * 2.35m
• Trademark: Great Wall & Evercross
• Origin: Zhenjiang
• HS Code: 7308100000
• Production Capacity: 100, 000 Tons

Product Description

Product Description

The GWD-Type truss prefabricated bridge originated in Germany and was introduced into China for mass production through the analysis of its structure by Great Wall engineers.

The introduction of GWD-Type truss prefabricated bridge stems from the technical barriers and deficiencies of Bailey Bridge. As is known to all, Bailey Bridge is a common prefabricated steel bridge structure, which is the upper and lower bearing bridge beam with the single pin connecting truss unit as the main beam of the bridge span structure, which has the advantages of simple structure, strong adaptability and good interchangeability. But even if the load is not large, it can only reach 60 meters per single span.

Therefore, Great Wall Heavy Industry launched the GWD-Type bridge. Although the truss adopts larger steel, the structure is simpler, which not only has the advantage of strong adaptability of prefabricated Bailey steel bridge, but also makes up for the limit of span, improves the length of single span and saves the cost of bridge pier.
 

Design Values for Steel Strength (MPa)

Steel														Tension, Compression and Bending Resistance fd						Shearing f vd				Floor Loading f cd
Model								Thickness (mm)
Steel Q355/GR50/S355								≤16						275						160				355
								16~40						270						155
								40~63						260						150
								63~80						250						145
								80~100						245						140

 

Design value for welding joint strength (MPa)

Steel											Butt weld/ welding joint												Fillet Weld f fd
Model					Thickness(mm)						Compression f cd,w						Tension ftd,w		Shearing fvd,w
Steel Q355/GR50/S355					≤16						275						235		160				175
					16~40						270						230		155
					40~63						260						220		150
					63~80						250						215		145
					80~100						245						210		140

Original bailey bridge Introduction

Bailey bridge is a type of portable, pre-fabricated, truss bridge.t was developed by Donald Coleman Bailey for emergency use.During 1980s,it was introduced to China From UK.

Bailey bridge is standard bridge equipment,adopted extensively and the most popular in the world,possessing the features of simple structure,convenient transport,speedy erection and easy disassembling.While having the advantage of heavy loading capacity,great stability and long fatigue life being capable of an alternative span,long capacity and mixture form to erect all kinds and usage of temporary bridges,emergency bridges and fixed bridges.The bridge has the advantages of few components,light weight and low cost.

We have three producing lines to manufacture Compact-100 and Compact-200

The surface disposal is painting,galvanized or anti-skid wearing such as a polyurethane bonded bauxite chip system or similar according to the requirement.
It is suitable for the load designs of HS-15,HS-20,HS-25,HL-93 and pedrail-50 etc.

Compact-100 Bailey Bridge Truss Allowable Internal Force Table

Bridge Type	Unreinforced Bridge					Reinforce Bridge
Allowable Internal Force	SS	DS	TS	DD	TD	SS	DS	TS	DD	TD
Allowable Bending Moment[M](kN·m)	788.2	1576.4	2246.4	3265.4	4653.2	1687.5	3375	4809.4	6750	9618.8
Allowable Shears force[Q](kN)	245.2	490.5	698.9	490.5	698.9	245.2	490.5	698.9	490.5	698.9

Note: The value in the table is the value of half of the bridge, and the full bridge should be multiplied by 2.

Compact-200 Bailey bridge Truss Allowable Internal Force Table(Half-bridge)

Allowable Internal Force		Allowable Bending Moment[M] (kN·m)	Allowable Shears force[Q] (kN)	High-shears Union Allowable Shears Force [Q]H (kN)
Configuration
SS	SS	1127	257	348
	SSR	2254	257	348
DS	DS	2525	514	696
	DSR1	3381	514	696
	DSR2	5050	514	696
TS	TS	3800	771	1044
	TSR2	5635	771	1044
	TSR3	7600	771	1044
QS	QS	5050	1028	1392
	QSR3	7889	1028	1392
	QSR4	10100	1028	1392

GREAT WALL STEEL BRIDGE SPECIFICATION
GREAT WALL STEEL BRIDGE	Bailey bridge(Compact-200, Compact-100, LSB, PB100, China-321,BSB) Modular bridge( GWD, HBD60,CB300,Delta, 450-type,etc), Truss Bridge,Warren bridge, Arch bridge, Plate bridge,Beam bridge,Box girder bridge, Suspension bridge,Cable-stayed bridge, Floating bridge,etc
DESIGN SPANS	10M TO 300M Single span
CARRIAGE WAY	SINGLE LANE, DOUBLE LANES,MULTILANE,WALKWAY,ETC
LOADING CAPACITY	AASHTO HL93.HS15-44,HS20-44,HS25-44, BS5400 HA+20HB,HA+30HB, AS5100 Truck-T44, IRC 70R Class A/B, NATO STANAG MLC80/MLC110. Truck-60T,Trailer-80/100Ton,etc Korea 1st grade bridge DB24
STEEL GRADE	EN10025 S355JR S355J0/EN10219 S460J0/EN10113 S460N/BS4360 Grade 55C AS/NZS3678/3679/1163/Grade 350, ASTM A572/A572M GR50/GR65 GB1591 GB355B/C/D/460C,etc
CERTIFICATES	ISO9001, ISO14001,ISO45001,EN1090,CIDB,COC,PVOC,SONCAP,etc
WELDING	AWS D1.1/AWS D1.5 AS/NZS 1554 or equivalent
BOLTS	ISO898,AS/NZS1252,BS3692 or equivalent
GALVANIZATION CODE	ISO1461 AS/NZS 4680 ASTM-A123, BS1706 or equivalent

Inspection and Maintenance

Components of bridge

Inspection items

Method of maintenance

Frequency

Abutment & Support

Examine if any cracks found on the abutments and the river embankment is in good condition

If there are small cracks found on the abutments, use cement mortar to fill the crack to prevent erosion of the reinforcing bars inside the abutments. If there is damaged of the embankment, application of a mixture of cement mortar with scribbles to fill the cracks

Once per month

Any reshape or damage of the support

Replace the support if it is seriously damaged. (suggest Implementing by professional)

Bailey panel

Any rusting to the steel panels

Keep the bridge dry and clean. Apply melding and anticorrosive Coating

Once per month

Any missing parts of the bridge structure

Inform supervisor timely, and report to the local officials for the bridge status

Any damage or relocation of bridge components

Stop crossing the bridge and report to the immedi- ate supervisor. Seek help from professionals

 

 

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FAQ

Q: Which countries do you export to?
A: Our company's products have been exported to dozens of countries and regions. Including: Nepal, Cambodia, Laos, Vietnam, Malaysia, Myanmar, Philippines, Ecuador, Colombia, Barbados, Trinidad and Tobago, Dominica, Papua New Guinea, Solomon Islands, Kenya, Tanzania, Zambia, Congo, Tajikistan, Georgia, etc.

Q: Are you a factory or a trade company ?
A: We are an industry and trade company. The factory covers an area of 47,000 square meters, the production workshop is 22,000 square meters, and the office area is 5,000 square meters. It has 12 production lines of Bailey Bridge, various steel Bridges and various steel structure products, with a lifting capacity of 100 tons. Annual output is more than 50,000 tons. The company has its own import and export rights, with 20 years of export business experience.

Q: Do you accept custom processing?
A: Our company has an efficient and flexible technical team, we can process custom-made a variety of non-standard Bailey bridge, steel bridge, steel structure.

Q: Can your company meet American standards?
A: Yes, our products not only meet the AASHTO American standard, but also meet the British BS5400, Australia AS5100 and other international standards.

Q: Which airport is the nearest to your company? Can I visit your company anytime?
A: The nearest airports are Nanjing Lukou International Airport and Shanghai Pudong International Airport. You can visit our company  anytime, our company will issue an invitation letter and arrange to pick you up according to your needs. Your transportation and accommodation during your visit to our company will be arranged by our company.

Q: Could you send me some hard copies of your catalogues?
A: Sure. Please send us your address and contact information and we will send it to you by international express as soon as possible.

Q: Can we be your agent or distributor?
A: Our company is recruiting powerful partners all over the world for common development and win-win . Look forward to long-term cooperation with you!

Q:How soon can I receive your reply after I send you my inquiry?
A: We will give professional and technical feedback within 6 hours after receiving your inquiry . After communicate the technical parameters,we will provide quotation and preliminary design within 24 hours.