Access scaffolding couplers capacity

Understanding the Capacity and Types of Access Scaffolding Couplers

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Scaffolding is an integral part of many construction and renovation projects, providing temporary structures that ensure safety and accessibility for workers. In this article, we will dive into the topic of access scaffolding couplers - the vital components used to secure scaffolding tubes together. We'll explore their types, resistance, and capacity, focusing on critical parameters such as slipping force, cruciform stiffness, and bending.

Types of Scaffolding Couplers

There are several types of couplers, and each serves a specific purpose:

Right Angle Coupler (Class A and Class B)

:

Double coupler

These are designed to connect scaffold tubes at right angles. Class A couplers can withstand a slipping force of 6.1 kN , possess cruciform stiffness of 10.0 kNm/rad and possess cruciform bending of 0.24 KNm. On the other hand, Class B couplers have a higher slipping force capacity of 9.1 kN and cruciform stiffness of 15.0 kNm/rad and possess cruciform bending of 0.48.

Friction Type Sleeve Coupler (Class A and Class B):

Sleeve coupler

These are used to connect tubes end-to-end. Class A has a slipping force of 3.6 kN and no cruciform bending, while Class B couplers can withstand a slipping force of 5.50 kN.

Internal Joint Pin:

Internal pin coupler

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This type of coupler is used to connect inner sections of tubes, and can&#;t withstand a slipping force .

Swivel Coupler (Class A and Class B):

Swivel coupler

These allow for connection at any angle. The Class A swivel coupler can handle a slipping force of 6.1 kN and cruciform stiffness of 9.1 kNm/rad. The Class B variant can deal with a slipping force of 9.1 kN.

Parallel Coupler (Class A and Class B):

Used to connect tubes parallel to each other. Class A has a slipping force of 6.1 kN and Class B has a slipping force of 9.1 kN.

Putlog Coupler:

Putlog coupler

This type of coupler is designed to connect a transom or putlog to a ledger, allowing a single tube to be held in place.Used to connect tubes parallel to each other. Putlog coupler has a slipping force of 0.63 kN , has a cruciform stiffness of 0.036 kNm and a cruciform stiffness of 2.5 kNm/rad.

Understanding Resistance and Capacity

Resistance and capacity are crucial factors in the selection of scaffolding couplers. The slipping force, represented in kiloNewtons (kN), is the amount of force a coupler can withstand before slipping occurs. Cruciform stiffness, shown in kiloNewton-meters per radian (kNm/rad), measures the coupler's resistance to deformation under load. Cruciform bending, in kiloNewton-meters (kNm), indicates the bending moment that the coupler can endure.

It's essential to choose the right coupler for the task at hand, considering the loads it will need to bear and the conditions it will face. Always ensure that the selected coupler meets the required safety standards and is appropriate for the specific application.

In conclusion, understanding the types and capacities of scaffolding couplers is vital for anyone involved in the scaffolding industry. It not only ensures the safety of workers but also enhances the efficiency and effectiveness of construction work. So, always make an informed choice when it comes to selecting your scaffolding couplers.

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