China Road Safety Barrier System

Guardrail Introduction
Road safety barrier system-a roadside device that provides a physical restriction to penetration of a vehicle in a way that reduces the risk to vehicle occupants and other traffic. Its purpose is to contain or redirect an errant vehicle. It is used to shield roadside obstacles or non-traversable terrain features. Occasionally, it may be used to protect people from vehicular traffic.
Guardrail systems are designed and installed for one primary reason: to reduce the severity of a crash by preventing a motorist from reaching a more hazardous fixed object or terrain feature.
about Guardrail Material
Corrugated W-beam and Thrie-beam beam elements and buffered ends could be formed from steel of Q345B and Q235B;

W-beam and Thrie-beam road safety barrier posts could be formed from steel of Q235B and A36;

W-beam and Thrie-beam steel road safety barrier spacer could be accordance with the posts, and could also be customized as customer requirements.
Guardrail Techincal Data

1. Beam and transition sections specification comply to AASHTO M180-2012

- Minimum yield strength: 345MPa(50,000psi)
- Minimum tensile strength: 483MPa(70,000psi); and
- Minimum elongation: in 50mm(2 in), 12%.

2. End and buffer sections comply to AASHTO M180-2012

- Minimum yield strength: 227MPa(33,000psi)
- Minimum tensile strength: 310MPa(45,000psi); and

3. Galvanizing specification complies to

- AASHTO Designation: M111M/M111

4. Bolts and Nuts conform to or exceed the requirements of ASTM A 307

Dachu Guardrail Feathures & Applications
- To provide railing protection to motor vehicles at dangerous road areas such as steep slop,obscure curve,high embankment and sharp corner,Expressway, etc.
- To absorb sudden impact during collision to minimize injury to vehicles and passengers.
- To act as directional railing for vehicles moving in the right direction.
- To act as a median barrier for avoiding head on collision.
- To act as a protective barrier for pedestrian along the high way.
Dachu Guardrail Beam Specification

W-Beam2320/3320/4128/4130/4318/4320/7938*308/310/311/312/315*2.5/2.6/2.67/2.7/2.75/2.76*2.8/3/4/5/10 mmThrie-Beam2320/3320/4128/4218/4318/4320*506/508/510*2.76/2.8/3/4/4.5/5/10 mmW- Beam to Thrie-beam Transition2320*308/310/312/ to 506/508/510*3/4/5 mmSurface TreatmentHot Dip Galvanized or Powder CoatedGalvanizing Thickness 300g/m2(40µ), 550g/m2(80µ) or 610g/m2(85µ) or 1100 g/m2(160µ) or 1220 g/m2(170µ) or customizedCertificate AASHTO, AS/NZS, EN, ISO9001, ISO14000, SGS, CE, BVFeatureGreat corrosion resistant, high intensity, long and durable,low cost,higher security, environmental protection, etc.OthersOther special specification as per client's requirements or drawings.

Dachu Guardrail Image
Dachu Guardrail Post Specification

base MaterialA572/Q345B/HA350/Q235B/A36/S355JR/S275JRGuardrail I(H) post150*100*4.3*5.5*1500/1800/1830/2000mm, 150*100*4*4*1500/1800/1830/2000mm, 127*64*7*1800/1830/2160mm,etc.Guardrail U post150*100*4/4.3/5/6/7/9mm*700/750/1800/1850/2100/2400mm, 178*76*18*4.3/5/6mm, 150*76*6/8*1830mm, 120*68*5*1800mm, etc.Guardrail C post150*110*18*4.3/5/6/7/9*1800/1830/2000/2160mm, 150*76*18*4.3/5/6/7/9*1800/1830/2000/2160mm, 125*50*23*16*4.5*1980mm,etc.Guardrail Round post114*3/4/4.5*750/1000/1200/1500/1800/1950mm,140*4/4.5*750/1000/1200/1500/1800/1950/2000/2150mm,etc.Surface TreatmentHot Dip Galvanized or Powder CoatedGalvanizing Thickness 300g/m2 (40µ), 550g/m2 (80µ) or 610g/m2 (85µ) or 1100 g/m2 (160µ) or 1220 g/m2 (170µ) or customizedCertificate AASHTO, AS/NZS, EN, ISO9001, ISO14000, SGS, CE, B.V.Required relevant parts Guardrail Beams, Terminal Ends, Spacers, Reflector, Backup plate and Bolt & Nut & Washer, etc.FeatureGreat corrosion resistant, high intensity, long and durable, low cost, higher security, environmental protection, etc.FunctionTo connect the guardrail beam with the spacer, or to hold the beam, strengthening guardrail protective effect. OthersOther special specification as per client's requirement or drawings.

Dachu Guardrail Post Image
Dachu Guardrail Manufacturing Devices
Wuhan Dachu manufactures highway guardrails according to the Standards as below:
1. AASHTO-M180 (Corrugated Sheet Steel Beams For Highway Guardrail - USA);
2. AS/NZS 3845:1999(Road Safety Barrier Systems - Australia/New Zealand);
3. BS EN-1317(Road Restraint Systems - Europe);
4. JT/T 281-1995(Corrugated Sheet Steel Beams For Expressway Guardrail - China);
5. Or tailor-make according to client's requirements. Dachu Guardrail Qualification
Dachu Guardrail FAQ

1. Q: What's your MOQ (minimum order quantity) for guardrails?

A: 4 km or Two full containers of guardrails.

2. Q: Are you trade company or guardrail factory?

A: We are guardrail factory, self making and self marketing.

3. Q:What's your payment terms for guardrail order?

A: We supply our guardrail by below payment terms:

1) 30% in advance by T/T ,70% by L/C; or
2) 100% by L/C; or
3) Negotiate according to the order status.

4. Q: Which delivery terms do you do for guardrails?

A: FOB China port is recommended for guardrails,but CNF/CIF destination port is also acceptable.

5. Q: What is the delivery time for guardrails?

A: Normal production time for guardrail sets will be about 35 days, and the final delivery time will be confirmed according to the guardrail order items and quantities.

6. Q: Can you do the official test for the guardrail order, which authoritative organization is recommend?

A: Yes, the test for guardrail order can be arranged as per requirement, SGS test is recommended, and we could even do the test in the name of costomers' company.

7. Q: Can you send us samples before we place the guardrail order, and how to charge it ?

A: Yes, we could send you guardrail samples for free, you just need to pay the postage fee.
How to Place Guardrail Order to Wuhan Dachu
Step 1: Send us inquiry at made-in-china, or send us email or call us at 0086-13517190016;
Step 2: Provide your specification and quantity to us, or we could offer our guardrail product list for your reference to choose;
Step 3: We will made detailed quotation as soon as we receive your specification and quantity;
Step 4: Samples can be arranged if needed, the sample is free to you, you just need to bear the postage fee;
Step 5: Factory visit if possible, you will be warmly welcomed;
Step 6: Confirm the order, we will arrange the production as soon as the advance payment is received;
Step 7: Confirm the delivery time, balance payment need to be arranged before the goods is dispatched;
Step 8: You could contact us for any questions even after sales.
Why Us :
A. We are manufacturer, with competitive price and reliable quality to enable clients to take the projects;
B. We are certificated plant, with various certificates to secure clients' official requirements;
C. We possess our own export qualification and are rich in trade operation to simplify clients' operation.
Contact us immediately for any more doubts about Wuhan Dachu, we would reply your questions in formal methods asap.
Wuhan Dachu Traffic Facilities Co.,Ltd.
(Company Code: 91420114303720312K; Trade Licence Code: 03027006; Customs Code: 420196619D )