“Premit” System for Space Reticulated Structures

Dipaola, Vincenzo; Prete, Giuseppe

doi:10.1260/026635103769016618

Cited by 5 publications

(2 citation statements)

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“…Figure 14 shows the experimentally obtained load-displacement curves. 23 The mechanical properties of the reinforced concrete with steel and sisal fibers are in Table 5. The mechanical properties of the reinforced concrete with steel and sisal fibers are in Table 5.…”

Section: Experimental Test Of the Concretementioning

confidence: 99%

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Experimental Analysis of Space Trusses Using Spacers of Concrete with Steel Fiber and Sisal Fiber

Silva

Bezerra

et al. 2020

Materials

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Space trusses are structural systems, generally made of tubes, used worldwide because of their advantages in covering long-span roofs. In addition to having a low cost, the truss weight is relatively reduced. The load capacity of these structures depends also on the strength of their node connection. Connections made with the superposition of flattened tube ends trespassed by one bolt are, generally, known as typical nodes. They are inexpensive but present eccentricities that reduce significantly the strength of such space trusses. To increase the truss load capacity, this research presents the results of an experimental program to reduce the eccentricities of the typical nodes. This reduction is done with a new type of spacer made of encapsulated concrete with steel fiber or sisal fiber. The experimental tests showed that the trusses with typical nodes collapsed under reduced load by local failure due to high distortions at the nodes. The trusses with encapsulated concrete spacer showed good results, with an increase in collapse load of 36% and failure by buckling bars.

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Section: Experimental Test Of the Concretementioning

confidence: 99%

“…Later in 1970 in France, engineer Stéphane Du Château developed also two alternative connections systems for space trusses [22] (see Figure 2d). In Italy, in 1980, the VESTRUT system was widely used as a space truss connection option [23] (see Figure 2e).…”

Section: Introductionmentioning

confidence: 99%