Self Supporting 3 Legged Angular Steel Communication Tower for 5G Telecom Base Station with Hot Dip Galvanized Steel Structure
The 3 legged angular steel tower belongs to the technical field of communication equipment manufacturing, in particular relates to a triangular wireless communication tower, comprises tower body, lightning rod, tower body is formed by triangular tower body lap, the tower foot of tower body is fixed on the ground, lightning rod stretches out of tower body top, tower body is the tower body lap of equal slope or one-time variable slope, tower body cross-section is angle steel, equilateral triangle of crossbar enclosure structure, tower body is provided with a plurality of operating platforms sequentially from top to bottom. The utility model discloses a triangular wireless communication tower has the advantages of safety and reliability, and simple structure.
Product Description
| Design |
| 1. Design Code |
ANSI/TIA-222-G/H/F, EN 1991-1-4 & EN 1993-3-1 |
| Structure Steel |
| 2. Grade |
Mild Steel |
High Tensile Steel |
| GB/T 700:Q235B, Q235C,Q235D |
GB/T1591:Q355B, Q355C,Q355D |
| ASTM A36 |
ASTM A572 Gr50 |
| EN10025: S235JR, S235J0,S235J2 |
EN10025: S355JR, S355J0,S355J2 |
| 3. Design Wind Speed |
Up to 250 km/h |
| 4. Allowable deflection |
0.5 ~1.0 degree @ operational speed |
| 5. Tension strength (Mpa) |
360~510 |
470~630 |
| 6. Yield strength (t≤16mm) (Mpa) |
235 |
355 |
| 7. Elongation (%) |
20 |
24 |
| 8. Impact strength KV (J) |
27(20°C)---Q235B(S235JR) |
27(20°C)---Q345B(S355JR) |
| 27(0°C)---Q235C(S235J0) |
27(0°C)---Q345C(S355J0) |
| 27(-20°C)---Q235D(S235J2) |
27(-20°C)---Q345D(S355J2) |
| Bolts & Nuts |
| 9. Grade |
Grade 4.8, 6.8, 8.8 |
| 10. Standards for mechanical properties |
| 10.1 Bolts |
ISO 898-1 |
| 10.2 Nuts |
ISO 898-2 |
| 10.3 Washers |
ISO 6507-1 |
| 11. Standards for Dimensions |
| 11.1 Bolts |
DIN7990, DIN931, DIN933 |
| 11.2 Nuts |
ISO4032, ISO4034 |
| 11.3 Washers |
DIN7989, DIN127B, ISO7091 |
| Welding |
| 12. Method |
CO2 Shielded Arc Welding & Submerged Arc Welding(SAW) |
| 13. Standard |
AWS D1.1 |
| Galvanizing |
| 14. Galvanization standard of steel sections |
ISO 1461 or ASTM A123 |
| 15. Galvanization standard of bolts and nuts |
ISO 1461 or ASTM A153 |
What is 3 legged angular steel tower body?
The body of a 3-legged angular steel tower is the core load-bearing structure of the tower, characterized by a triangular configuration. It consists of three vertical steel legs (or columns) connected at the top, with additional angular steel connecting members linking the legs throughout the height. Typically fabricated from galvanized steel sections, the body is designed to efficiently withstand both vertical loads (e.g., the weight of antennas, equipment, and the tower itself) and horizontal loads (e.g., wind, snow, or seismic forces). Its angular design and triangular framework provide exceptional stability, even in harsh environmental conditions, while the galvanized steel ensures corrosion resistance and long-term durability. The body serves as the primary support structure for mounting communication, power transmission, or surveillance equipment.
What is 3 legged angular steel tower foot?
The "foot" of a 3-legged angular steel tower refers to the base portion of each vertical leg, which interfaces with the tower’s foundation. It is a critical component responsible for transferring the entire weight of the tower and its loads (equipment, wind, etc.) to the underlying foundation, ensuring the structure is securely anchored to the ground. The feet are typically engineered with connection plates, bolts, or anchor points that attach firmly to the concrete or reinforced foundation. Constructed from high-strength galvanized steel (consistent with the tower body), the feet are designed to resist shear, tension, and compression forces, preventing the tower from shifting or toppling. Their design is tailored to the site’s geological conditions, ensuring compatibility with the foundation for maximum stability.
What is ladder and cable tray of 3 legged angular steel tower?
- Ladder: A safety-access component installed along the tower body, providing a secure path for workers to climb to the top (or intermediate platforms) for installation, maintenance, or inspection. Ladders are typically made of galvanized steel for corrosion resistance and strength, with rungs spaced at standard intervals for comfortable climbing. They may include safety features such as handrails, fall-arrest systems, or cage enclosures to protect workers from falls.
- Cable Tray: A structural channel or tray mounted on the tower body, designed to organize, support, and protect cables (e.g., communication cables, power cables, or signal wires) that run between the tower’s base and the equipment at the top. Cable trays keep cables neat, prevent tangling or damage from environmental factors (wind, rain, UV radiation), and facilitate easy access for maintenance. Like other tower components, they are often made of galvanized steel to ensure durability and compatibility with the tower’s corrosion-resistant design. Together, the ladder and cable tray enhance the tower’s functionality by enabling safe access and efficient cable management.
How to install 3 legged angular steel tower?
The installation of a 3-legged angular steel tower follows a systematic, safety-focused process:
- Site Survey and Foundation Preparation: First, conduct a detailed site survey to determine the optimal location, assess geological conditions, and identify potential environmental or structural constraints (e.g., wind speeds, seismic activity). Then, construct a robust foundation (typically concrete or reinforced concrete) tailored to the tower’s weight and load requirements. The foundation must be level and securely anchored to the ground to support the tower’s feet.
- Tower Component Assembly: Transport prefabricated components (steel legs, connecting members, ladder, cable tray) to the site. Assemble the triangular tower body on-site: align the three legs, attach the angular connecting members to form the tower structure, and install auxiliary components like the ladder and cable tray during assembly.
- Tower Erection: Use cranes or specialized lifting equipment to raise the assembled tower (or sections of it, for taller towers) into a vertical position. Carefully align the tower’s feet with the foundation’s anchor points and secure them using bolts or anchors to lock the tower in place.
- Equipment Installation: Mount the intended equipment (e.g., antennas, microwave dishes, power transmission lines) on the tower’s top platform or designated mounting points. Route cables through the pre-installed cable tray, connecting equipment to the base.
- Quality Control and Safety Checks: Conduct strict quality inspections to verify the tower’s structural integrity (e.g., tightness of bolts, alignment of components, corrosion resistance). Implement safety protocols throughout installation (e.g., fall protection for workers, equipment load testing) to ensure compliance with industry standards. Final checks confirm the tower is stable, equipment is properly installed, and all systems function as intended.
Galvanizing angular steel tower testing.
Galvanizing is a critical process for angular steel towers (such as 3-legged angular steel towers), as it provides corrosion resistance and extends the structure’s service life in outdoor, harsh environments (e.g., exposure to wind, rain, humidity, and industrial pollutants). To ensure the galvanized coating meets quality standards and performs as intended, a series of rigorous testing procedures are conducted.
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Customized product types & advantage
Self Supporting Tower
Self supporting tower usually is 3leg or 4leg tower, and its material is steel pipe or angle steel. As for the connection, tubular tower is connected by flange, and angle steel tower is connected by nuts and bolts.
Features:
1.Small coefficient of wind load, strong wind resistance.
2.Save land resource, convenient location.
Convenient transportation and installation.
Pipe Steel Tower
The tube tower refers to a self-supporting high-rise steel structure with a tower column made of steel pipes and a tower body section in a triangular shape. Its main characteristics are that the three tube tower column is made of steel pipes and the tower body section is in a triangular shape, which is a high-rise steel structure different from angle steel.
Monopole Tower
Monopole tower, is a commonly used type, with beautiful appearance, covering an small area of 9 to 18 square meter, cost - effective , and is adopted by majority of the construction. Tower body adopt more reasonable section, which is connected through high strength bolt or overlap(slip connection). It has the characteristics of easy installation and can adapt to a variety of complicated field site.
Guyed Tower
Guyed tower has a novel appearance,and its biggest characteristic is strengthened by using steel guy wire. Guyed tower is a common type of communication tower which is economical and practical. It is lighter and cheaper than the others. It is very suitable for the geographical wide areas.
Guard Tower
The watchtower is a multifunctional building mainly used for observing the surrounding environment and playing an important role in multiple fields. Its design emphasizes harmony and unity with the natural environment, and the architectural style is usually coordinated with the surrounding environment. Observation towers are usually composed of tower bodies, platforms, towers, and ladders, with compact and durable structures.
Camouflaged Tree Tower
Camouflaged Tree Tower is also a kind of cartificial trees of Bionic tree tower, on base like a real one, plus the meticulous design, when placed among the real trees in sightseeing area, park and square, it will be a part of the nature.
Features:
1. Exquisite structure and gorgeous appearance.
2. Strong structural stability and long working life.
3. Small area covering and great economic effect.
Our Services
JIAYAO CO., LTD. is a professional telecom tower manufacturer and approved by ISO9001. We are committed to providing customers with the most optimized solutions and the best communication tower. Many products have been exported to USA, Europe and other 55 different counties.
We specialize in designing and manufacturer of angle steel tower, tube steel tower, monopole tower, pine tree tower, guyed tower and guard tower. Our departments include design, R&D, inspection, laboratory, QC, galvanization and steel tower departments. Our raw materials come from famous steel mills in China: HBIS Group, Baowu Steel Group, Shougang Group.
FAQ
Q:What is the acceptable MOQ?
A:Our acceptable MOQ is 1 set. Any trial order in small quantity is welcome.
Q:What is the Delivery time?
A:Within 25 days after receiving deposit.
Q:What is the acceptable payment term?
A:TT,L/C, Paypal,Western Union, .
Q:Can you do OEM for me?
A:We accept all OEM orders just contact us and give me your design,we will offer you areasonable price.
Q:When can I get the quotation?
A:We usually quote you within 24 hours after we get your inquirylf you are very urgent to get thequotation,please call us or tell us in mail,so that we could regard your inquiry priority.
Q:Is your communication tower structural standard ANSI / TIA/ EIA-222-G?
A:Yes.
Q:Hot dip galvanizing standard is ASTM A 123/153?
A:Yes.
Q:Can you provide a calculation book?
A:Yes, but you need to pay for the calculation book
Q:How long is your product life?
A:50 years.
Q;Is the tower's structure unitary?
A:No, we can design and produce it as customer's request.
Q:What is your payment method?
A:30% by T/T as deposit, balance by T/T or L/C at sight.
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