All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
(1158 products available)
There are different types of steel jacks for slab support designed to support slabs. Here are some common types:
Adjustable Steel Props
Adjustable steel props, also known as acrow props, are used for temporary support in construction. They consist of a telescopic system made of a single tube and a double tube. The single tube is connected to the base plate, while the double tube is connected to the top plate. These props are made from galvanized steel or painted steel. The steel used in the construction of these props is usually ST52, Q235, or Q345.
The adjustable steel props support loads ranging from 5 to 25 tons. However, some heavy-duty props can support more than 25 tons. They are suitable for supporting beams, walls, and slabs during construction and renovation. These props are widely used in the construction industry due to their ease of installation, cost-effectiveness, and adaptability.
Telescopic Steel Slab Jack
This slab jack is a permanent support system for steel and concrete slabs. It consists of a C-channel or I-beam section that forms the main body. The support jack has two or three sections that slide into one another. The outer section is connected to the base plate, while the inner section is connected to the top plate. These jacks are made from structural steel, which provides high strength and durability.
Telescopic steel slab jacks are designed to support heavy loads continuously. They are commonly used in infrastructure projects, such as bridges, parking garages, and industrial buildings. These jacks are popular because of their high load capacity, stability, and low maintenance.
Acme Steel Hand Jacks
These hand jacks are designed for permanent support of steel and concrete slabs. They have a robust construction and are made from structural steel. Acme steel hand jacks support heavy loads continuously. They are suitable for applications where electric or hydraulic power is not available or practical. These jacks are popular due to their reliability, ease of use, and cost-effectiveness.
Structural steel jacks are necessary to support slabs during construction or repair. They have important functions and features that support the stability and integrity of the slab, including:
Load Bearing
Steel jacks are strong and durable. They use high-strength steel, which can support significant loads and weights. Load-bearing capacity makes them ideal for supporting concrete slabs during construction or in the case of structural reinforcement. The strong support helps to evenly distribute the weight of the slab, preventing sagging or collapse.
Adjustability
Construction sites have different support needs. Fortunately, steel props for concrete slabs are adjustable. They have telescopic or screw mechanisms that allow adjustments of the height and length. Adjustability allows the steel jack to accommodate different slab dimensions and elevations. It also makes it easy to reposition the slab support jack when needed.
Stability and Rigidity
Stability and rigidity are important features of slab support jacks. They have a stable base plate and spreader beams that ensure even weight distribution. Stability and rigidity prevent buckling and minimize lateral movement. As a result, it provides a stable support environment for concrete slabs and ensures structural integrity.
Corrosion Resistance
Steel jacks have a coating, such as galvanized or painted, that protects them from environmental elements. The coating prevents or minimizes corrosion. Corrosion resistance increases the durability and longevity of the support jacks. They can be used in different environmental conditions, such as humid, wet, or harsh weather.
Easy Installation and Dismantling
Steel jacks are easy to install and dismantle. They don't require special skills or equipment for installation. The support jacks are also easy to disassemble when the support is no longer needed. For example, when the concrete sets and gains strength, the jacks are easily removed.
Multiple Support Points
Some jacks, such as acrow props, have multiple support points. They distribute the load more evenly and provide increased stability. Multiple support points make the jacks ideal for supporting larger slabs or beams. They minimize point loading, reducing the risk of structural damage to the supported slab.
There are various scenarios where support jacks can be used, including:
Supporting a Concrete Slab
Support jacks are essential when pouring a concrete slab to ensure it is straight and level. These slabs are extensively used in construction projects, such as foundations, driveways, and parking lots.
Shifting Load Points
When load points shift due to settling or changes in the structure, support jacks can realign and redistribute the load, preventing slab damage. For example, in a building where the weight distribution has changed due to structural alterations, support jacks can help redistribute the load more evenly.
Temporary Support
When replacing old beams or walls, support jacks can temporarily hold up the structure until permanent supports are installed. For example, during a renovation where load-bearing walls are being replaced, support jacks can ensure the ceiling remains intact.
Preventing and Repairing Settling
Support jacks can be used to lift and stabilize settled slabs, such as sidewalks, driveways, and settled foundations. They are also essential in maintaining structural integrity by continuously supporting slabs and compensating for settling over time.
Aligning and Leveling
Support jacks can adjust slabs that have become uneven due to soil expansion or contraction. For example, in areas with clay soil that swells and shrinks with moisture, support jacks can keep concrete slabs level over time.
Load Distribution
Support jacks can distribute concentrated loads, such as those from heavy equipment or stored materials, to prevent slab cracking or failure. For instance, in warehouses with stored heavy pallets, support jacks can distribute the weight to prevent floor stress.
Permanent Support
In some cases, support jacks become permanent structural elements, especially in areas where soil conditions are poor. For example, in buildings constructed over weak soil, support jacks (often called steel piers) provide long-term stability by extending to deeper, more stable soil layers.
When buying a support jack for slab construction, consider the following factors:
Load capacity
Each steel slab jack has a different load capacity. Therefore, customers should check the load capacity rating to ensure it can carry the weight of the structure. A jack with a higher load capacity is safer and more reliable.
Adjustability
Support beams for slabs need to be adjustable to accommodate different heights. Look for slab support jacks with adjustable threaded rods or other mechanisms that can easily support various beams.
Material and durability
Choose a steel support jack made of quality materials, like high-strength steel. This ensures it will last longer and withstand different conditions. The best slab support jacks have a durable finish that resists corrosion and weather elements.
Ease of use
Buy slab support jacks that are easy to operate and set up. Look for features like simple adjustments, stable base plates, and clear instructions. The jack should also be easy to transport and move around the construction site.
Base plate size and type
The base plate transfers the load to the ground. Therefore, the base plate size should be adequate for the load-bearing ground. Also, the base plate type should be compatible with the construction site, whether it's a crane plate or a screw base.
Height range
Support jacks for slabs have different height ranges. Choose a height range compatible with the beam height at the construction site. Additionally, ensure the height range fits the construction site topography.
Price and warranty
When buying slab support jacks in bulk, price is an important factor to consider. Look for a support jack that fits the budget and offers quality support. Also, choose a jack with a warranty since it shows the manufacturer has confidence in their product.
Q1. How does a support jack for concrete slabs work?
A1. Steel support jacks work by distributing the weight of the structure over a wider area. They transfer the load to the ground or existing beams, providing support and stability. This helps prevent cracks and shifting in the foundation.
Q2. How long can a slab support jack be used?
A2. The length of time depends on the condition of the structure being supported and the quality of the slab support jack. Steel slab support jacks can be used temporarily or permanently, depending on the situation.
Q3. Do support jacks for concrete slabs leave any marks on the slab?
A3. Support jacks may leave slight marks on the slab, known as load marks. These marks indicate the area where the jack was placed and should not be permanent or cause damage to the slab.
Q4. Are slab support jacks adjustable?
A4. Yes, slab support jacks are adjustable. They can be extended or retracted as needed to provide the necessary support and stability to the structure. It's important to have a professional adjust the beams' support to ensure safety and effectiveness.
Q5. Can support jacks for slabs support multiple levels of a structure?
A5. Yes, support jacks for slabs can support multiple levels of a structure. They are designed to handle heavy loads and distribute the weight evenly across the slab, providing stability and support for multi-level structures.
