Equipment used in mezzanine floor buildings can be classified in several ways. In this section, we will talk about devices that are installed with The building is permanent and will include conveyor belts, cranes and mechanical equipment.
Note : Mezzanine Floor is a shelf. suitable for storing materials parts of the product which can create additional space on the high side of the building worthwhile by making a mezzanine floor It is a large structural system that is strong and durable. can bear a maximum weight of 1,000 kg / square meter, please contact rnbproduct
Conveyor belts (conveyors)
Assessing the good performance of a belt is difficult. due to the formulation use and material The sound is diverse. However, some recommendations for evaluating the performance of belts are as follows:
The key factor that will make the belt have good performance is Maintaining the shape of the arsenic, especially in the switching and transfer points. generally The construction of conveying equipment is sufficiently elastic to the torsion caused by different deflections of the support point. Recommended for roof and floor (where the belt is attached) must be suitable for support Conveyor belts, i.e. span length divided by 150 to 240 for roofs and span length divided by 360. Areas subject to live loads including conveyor belt weights. Therefore, it is the responsibility of Distributing conveyor belts that must consider deflection at support points due to complete machine data.
There are 3 things to consider in particular: 1) In most cases, belt installation will not be attached to all the roof elements Therefore, it may cause different deflections, which will cause unexpected loads on the roof sheet and its fasteners. This may cause local damage. 2) For heavy belts, it may cause reverse stress in the light roof. which This part must 3) Conveyor belts can cause twisting only at the point where the building members are able to divide the belt into a proper connection to the building frame. Therefore, it is important to avoid all these problems, incorporating criteria and requirements from the conveyor supplier into the design phase.
Cranes
Crane movement with mezzanine floor inside the factory Can be classified into 2 types based on the nature of use for the first type of movement. The movement of the crane that affects the movement of the building. The second type of movement is Crane movement caused by other loads (sometimes combined with loads Also caused by the movement of the crane), which affects the efficiency of the crane. for consideration Crane load Up to the design standards of the American Society of Civil Engineers 7-10 (ASCE 7-10), part 4.9.
- In this section, we will talk about 3 types of people:
- Switch control type crane (pendant-operated traveling cranes)
- A crane operated by an operator from the control division. (cab-operated traveling cranes)
- Flat Gene Crab (lbi cranes)
Switch-controlled crane (pendant-operated cranes)
Requirements for switch-controlled cranes are not very stringent. because the performance function of the building is relatively small. However, if the lateral movement limit is applied Height divided by 100 will cause the building to become noticeable. Therefore, the owner should be investigated and notified. The building set the stage of the design.
A crane operated by an operator from the cockpit. (cab-operated cranes)
For cranes that are embedded by operators from the control room. Lateral displacement limits must be specified during operation to give the operator a sense of safety during operation. which limits movement The side body in the direction perpendicular to the crane is recommended to use the height divided by 240 and must not exceed a centimeter (about 2 inches) measured at the same level as the crane rail. which considering the appropriate weight of the load Similar to the bare building frame, consider from The lateral force caused by the crane movement or the lateral force generated by considering the wind speed over the 10-year retrospective period, by the lateral force caused by For crane movement, refer to American Society of Civil Engineers Standard 7-10 (asce: 7-10) or Association for Iron and Steel Technology (AIST) requirements.
In bringing hot-rolled steel to be used as an X-shaped guard in the main structure. will be able to come to help once The crane rail does not cause longitudinal movement. but on the contrary If the main structure is a rigid frame The structure could be warped by his audition to the limits. But at present, this longitudinal displacement limit has not been clearly defined. It is therefore recommended to use the same limits as proposed in respect of Movement in the direction perpendicular to the crane rail In this case, the weight of the load is considered to be the pulling force and Shock generated by the crane This causes torque to be generated on the mast due to the longitudinal displacement of the crane. placed on the elephant ear