In:
Beton- und Stahlbetonbau, Wiley, Vol. 117, No. 5 ( 2022-05), p. 310-323
Abstract:
Accuracy limits of modular concrete structures – Part 2: Probabilistic evaluation of assembling with bolted connection The paper treats the assembling of modular precast concrete elements with steel‐made truss nodes. Honeycomb structures are considered, which consist of several Y‐shaped precast elements. The paper extends the direct kinematics between modules for honeycomb structures derived in Part 1, where shrinkage strains induce deformations into the modules. For the assembly, bolted connections are considered, which either have standard hole clearance or enough friction strength. In the latter case, strict alignment before fixing compensates for some of the deviations. The reliability of the assembling is checked via probabilistic methods based on Monte Carlo simulation. It is shown that connections purely based on hole bearing resistances are just suited to combine few modules. Bolted connections with enough friction strength and compensatory pre‐alignment have confidence intervals of four times the standard deviation and thus are suited to reliably assemble honeycomb structures up to approx. 60 m in height and width.
Type of Medium:
Online Resource
ISSN:
0005-9900
,
1437-1006
DOI:
10.1002/best.202200011
Language:
German
Publisher:
Wiley
Publication Date:
2022
detail.hit.zdb_id:
2151239-5
detail.hit.zdb_id:
240053-4
