I. Overview of Steel Reinforced Truss Floor Deck
Reinforced truss floor deck is a composite formwork that involves fabricating the steel rebars into a truss in the factory, then welding the truss with galvanized steel deck sheets to form a single integrated unit. During the construction phase, the rebars...
Truss deck panels can bear construction loads, directly laid on beams, and simple steel reinforcement work is sufficient for concrete pouring. As they completely replace the formwork function, they reduce the need for formwork installation and dismantling labor.
Process greatly enhanced the efficiency of floor construction.A roof-decking product that enhances customer value,We have eliminated factors leading to increased material costs.,Change the usage of the steel deck, only used as floor deck
Templates during the construction phase, reducing the usage of corrugated steel sheets, and lowering the requirements for the stable coating of the corrugated steel sheets' performance. We have altered the load-bearing mode of the roof deck during construction.,During the construction phase by forming
Steel plates are replaced with reinforced truss to provide increased rigidity for floor slabs, allowing for larger unsupported spans. We have reduced the costs for our clients' future maintenance.,Pressure
Hollow steel plate is only used as a formwork during the construction phase, so no treatment is required for performance stability. It does not need to meet the lifespan requirements for building use, thereby eliminating the need to consider maintenance costs later on.
Section 2: Advantages of Steel Reinforced Truss Decking
(1)Economic
The steel truss has a reasonable load-bearing pattern, is economically selected, and offers a significant comprehensive cost advantage.
Adjustable truss height and steel bar diameter for suitabilityetBoards suitable for wide spans
Can be designed as a double-sided board
(2)Convenient
On-site reinforcement tying work can be reduced60%-70%Further shortening of the construction period is achievable.
The truss loading pattern can provide greater floor deck stiffness, significantly reducing or eliminating the need for temporary supports.
(3)Safety
Mechanical properties are similar to traditional cast-in-place slabs, with excellent crack resistance for the floor.
Fire resistance is comparable to traditional cast-in-place slabs and superior to composite steel deck slabs.
The bottom mold does not participate in the stage of use and does not require consideration of fire resistance and corrosion prevention.
(4)Reliable
Rebar is evenly arranged, with reliable guarantees for the spacing between layers of rebar and the thickness of the protective layer.
Double discount edge overlap design, effectively ensuring the construction quality of composite floor assembly.
Reinforced truss deck for steel framingSimilar bidirectional stiffness benefits seismic resistance in buildings.
The quality of bolt welding is easier to ensure.
Roof Decking Product Development History
Best-selling item: Non-combined profiled steel plate Plain Open Sheet | High-quality Substitute: Composite corrugated steel sheet Open End Plates, Closed End Plates | Third Generation: Reinforced steel truss floor deck | Fourth Generation: TDD Assembled Detachable Reinforced Steel Truss Decking |
Three.TDV、TDMIntroduction to Type Steel I-Beam Truss Floor Deck
TDV、TDMA type steel truss floor deck involves processing the steel rebars in a factory into steel truss structures, then welding these trusses together with galvanized steel sheet bottom molds to form a single integrated formwork. During the construction phase, steel truss floor decks can bear construction loads and be directly laid on beams, with only simple reinforcement work required to pour concrete. As they fully replace the formwork function, they reduce the need for boards Erecting and dismantling projects, significantly enhance the efficiency of floor construction.
IV. Product Composition
TDV、TDMType steel truss floor deck is composed of top chord steel, bottom chord steel, web steel, bottom formwork, and support steel.
V. Material Parameters
Up & down string reinforcement bars: Hot-rolled coil reinforcement bars with a good reputationHRB400Grades, or cold-rolled ribbed reinforcing steel.CRB550Grade.
Stainless Steel Round Bars: Cold-rolled, smooth surface.
TDV、TDMType bottom mold steel plate: commonly used galvanized steel plate thickness0.4～0.5mmDouble-sided galvanized coating amount120g/m2。
Section 6: Product Dimension Parameters:
| Name | Specification |
| Rebar diameter | 6-14mm |
| Hollow section steel bar diameter | 4-7mm |
| Reinforced steel truss height ht | 70-270mm |
| Bracket horizontal rebar diameter | 10mm（h≤100mm），12（h>100mm） |
| Vertical steel bar diameter of the support bracket | 12mm（h≤100mm），14（h>100mm） |
| Bottom mold steel plate thickness | 0.4-0.6mm |
| Base mold steel plate width | 590mm |
| Concrete protective layer thickness | 15mm，20mm，25mm，30mm |
| Reinforced truss floor deck length | 1.0-12m |
Section 7:TDMAdvantages of Type Steel Truss Deck:
Excellent weld joint bearing capacity
"M"Type upright rib width up to2-3mm, Welding point bearing capacity of steel rebar truss web members is approximately equal to that of ordinary"V"Tapered rib-type weld point load-bearing capacity1.5 Not provided.
Good performance with stable results
The distance between the steel truss and the welding point of the bottom form is approximately5mmThe mold surface is free of weld points, preventing rust spots and exhibiting superior corrosion resistance.TDV Type steel truss floor deck, eliminating the possibility of future maintenance.
Avoid leakage
Due to the absence of welding points on the mold base, there are no holes prone to weld-through, and there will be no leakage of paste at the welding points.
TDMApplications for Type Reinforced Steel Truss Deck
Can be used in high-purity factory buildings without suspended ceilings, in laboratories, server rooms, information centers, etc. with higher requirements for indoor air quality, and in environments with specific humidity and salinity levels. High coastal city usage; buildings without suspended ceilings, exposed public structures; high-rise office buildings with superior quality sold directly before ceiling decoration.
TDVSteel girder deck panel application industry
Low ceiling effect requirement, or for multi-story steel structure factories and public buildings with suspended ceilings.
EightApplication Solutions:
High-rise, high-rise structure
High-rise buildings and structures not only have stringent requirements for structural quality but also demand special considerations for timelines and on-site safety. Reinforced truss deck plates offer both construction molds and load-bearing capabilities simultaneously. Reinforcement bar"Dual Role"Our high-rise and high-rise construction projects excel in their advantages. Reinforced truss floor slabs are used in high-rise buildings, allowing for multiple relatively independent and safe work surfaces. Enhanced construction progress.
Bi-directional panel structure
Compared to steel deck panels, designing and constructing for bidirectional plates is highly advantageous for reinforced truss floor decks. Without increasing the floor thickness, reinforced truss floor decks can be installed on-site Performing bidirectional reinforcement makes it easy to meet the design requirements for bidirectional slabs.
Large-span structure (with support solutions)
In large-span applications, to save costs, the steel truss floor deck can use smaller-sized steel bars. During construction, before pouring concrete, a simple temporary setup is placed in the middle of the floor span. Supports are provided to meet construction requirements while also ensuring the floor strength meets the requirements for the operational stage.
Large-span structure (without support solution)
Reinforced truss deck beams, thanks to their technically rational mechanical design, can achieve adjustment by appropriately selecting the steel bar model.5mUnsupported large plate span design requirements. In actual application, it can accelerate the implementation of... Improve work efficiency and save construction costs.
Thick plate design
For300mmAbove-thickness floor slabs can be designed using reinforced truss floor decks, which can reduce or eliminate temporary supports, thereby accelerating construction progress.
The application of steel truss floor slabs in multi-story reinforced concrete structures can reduce the labor required for on-site formwork installation and removal, decrease on-site manpower, and significantly accelerate the progress of the project.
Reinforced concrete or steel structure residential projects
Such structures typically demand higher finish quality on the floor slab bottom surface, requiring plastering work and employing multidimensionalTDDAssembled removable steel truss floor decks can effectively address This challenge meets the requirements for construction speed in steel structure projects and also allows for the removal of the bottom form after floor construction, achieving a satisfactory finishing effect.
Circular, Elliptical, Other Shapes
Such structural floor slabs are typically designed as bidirectional, not only supporting vertical loads but also horizontal tensile forces; in addition, due to the irregular shape of the structure, the support issues during floor construction are often challenging. Challenges in construction are numerous, but using reinforced truss floor slabs can effectively address these issues.
Sloped roof structure
For sloping roofs, reinforced truss deck plates can be used for laying the roof panels. The deck plates can be installed along the slope or parallel to it, both are feasible. The roof must undergo stable performance treatment.
