NSTL国家科技图书文献中心

1. Experimental Investigations on Structural Behaviour of Reusable Interlocking Steel column base Connection with Demountability NSTL国家科技图书文献中心

Jeyabalan A.K.R. | Selvaraj S.K.... - 《Journal of Constructional Steel Research》 - 2025,224(Jan. Pt.A) - 1.1～1.16 - 共16页

摘要： reusable interlocking hold-down type column* base* | column base connection consists of a connector plate to | column base connections to connect the concrete footing | with the steel column* and base plate assembly. This* | reusable column* base connection subjected to monotonic*

关键词： Circular economy | Column base connections | Demountability | Full-scale tests | Reusability | Stiffness calculation

2. Effect of layering and pre-loading on the dynamic properties of sand-rubber specimens in resonant column tests NSTL国家科技图书文献中心

Magdalena,Kowalska | Christos,Vrettos - 《Acta Geotechnica》 - 2025,20(2) - 607～624 - 共18页

摘要： findings of resonant column* tests on three types of* | modulus values, smaller degradation of stiffness* with* | large stiffness* contrast.* | Abstract Several studies show that scrap tyre | rubber mixed with sand is an effective and sustainable

关键词： Damping | Layered specimen | Resonant column | Sand | Scrap tyre rubber | Stiffness

3. Influence of in-plane transverse compression on the behaviour of the face plate component in weak axis and tubular steel joints NSTL国家科技图书文献中心

Seyoum Lemma M. | Rebelo C.... - 《Engineering structures》 - 2025,322(Jan.1 Pt.A1) - 1.1～1.20 - 共20页

摘要： characterizing the initial stiffness* have been proposed* | -column* steel joints. An experimental test campaign was* | stiffness and resistance of the face-plate component | stiffness under compressive in-plane transverse loads were | © 2024 The AuthorsThe behaviour of the face

关键词： Column web panel | Component characterisation | Initial stiffness | Steel connection | Tubular connection

4. Optimal design of double-level guyed towers against buckling NSTL国家科技图书文献中心

Ye C. | Pan W.... - 《Journal of Constructional Steel Research》 - 2025,225(Feb.) - 1.1～1.9 - 共9页

摘要： tower is simplified as a lateral braced column | considering the pre-tensioned cable stiffness. The buckling | analytically derived based on a matrix stiffness* method (MSM* | © 2024This paper is concerned with the optimal | design of double-level guyed towers against buckling

关键词： Design | Double-level guyed towers | Elastic buckling analysis | Exact matrix stiffness method | Laterally braced column

5. Experimental Behavior of Concrete Columns Reinforced with Thermomechanically Treated and Cold-Twisted Ribbed Steel Bars NSTL国家科技图书文献中心

Muhammad Saad Khan | Muhammad Masood Rafi ... - 《ACI structural journal》 - 2025,122(3) - 57～70 - 共14页

摘要： results on full-scale rein-forced concrete (RC) column | stiffness, substantially higher than the CD-10specimen | This paper presents experimental testing | specimens subjected to quasi-staticcyclic loading. Two | types of lap-spliced steel reinforcing bars wereused

关键词： base rotation | displacement ductility | drift ratio | equivalentdamping | hysteresis loops | lap splice | reinforced concrete (RC) column | secant stiffness

6. Performance of repair pre-damaged RC columns using steel straps tensioning techniques (SSTT) confinement: experimental data and modelling NSTL国家科技图书文献中心

Nazirah Mohd Apandi | Warid Wazien Ahmad Z...... - 《Engineering computations》 - 2025,42(1) - 149～178 - 共30页

摘要： parameters to predict repaired column* behaviour is* | . Numerical models verified RC column* load-deformation* | . Although some specimens have considerable column | stiffness differences, a numerical model based on | a tendency to overestimate the stiffness* of the*

关键词： Steel strap tensioning technique | ABAQUS | Pre-damaged levels

7. Numerical investigation of the impact of nonuniform corrosion on dynamic characteristics and nonlinear cyclic behaviour of circular RC bridge piers NSTL国家科技图书文献中心

Zhang, Ziliang | Aminulai, Hammed O.... - 《Bulletin of earthquake engineering》 - 2025,23(5) - 2233～2264 - 共32页

摘要： specific features of the experimental column stiffness | column behaviour under seismic loading. This paper | increasing lateral drift amplitude. Normalised column | lateral stiffness* and first mode natural frequency were* | found to reduce nonlinearly with increasing column

关键词： RC bridge piers | Earthquake engineering | Nonuniform corrosion | Sledgehammer test | Cyclic degradation

8. A quantitative classification criterion for beam-to-column rigid connections in steel braced frames NSTL国家科技图书文献中心

Hou H. | Wang W.... - 《Engineering structures》 - 2025,322(Jan.1 Pt.A2) - 1.1～1.19 - 共19页

摘要： stiffness demand of the beam-to-column rigid connection is | modeling method of beam-to-column* connections in the* | -to-column* connections is an invaluable basis for* | classifying beam-to-column* connections, it is not* | the beam-to-column* connection substructure that*

关键词： Beam-to-column connection | Connection classification | Rigid connection | Steel braced frame structure | Theoretical and numerical analysis

9. Improving seismic performance of structural systems via reinforcing column bases NSTL国家科技图书文献中心

Ebrahimi, Samira | Ahmadi, Mohammad Meh...... - 《Australian journal of structural engineering》 - 2025,26(2) - 135～160 - 共26页

摘要： column bases to 1) improve strength, stiffness, and | , plastic hinge and local buckling may form in column | strength and stiffness* degradation and finally earlier* | (SMRFs), and 2) delay plastic hinge formation in column | reinforced column* bases) and simulated in ABAQUS. The*

关键词： Column bases | local buckling | plastic hinge | reinforcement of column bases

10. Response mitigation of offshore wind turbine towers using negative stiffness amplifying compliant liquid dampers-inerter exposed to wind waves and earthquakes NSTL国家科技图书文献中心

Das, Anupam - 《Ocean engineering》 - 2025,318(Feb.15) - 1.1～1.16 - 共16页

摘要：). The benefit of a negative stiffness* element is* | investigated as this study proposes a new negative stiffness | The efficacy of compliant liquid dampers | -inerter (CLDI) has been proven to improve the dynamic | response of monopile offshore wind turbine towers (MOWTT

关键词： Compliant liquid damper-inerter (CLDI) | Negative stiffness amplifying CLDI | OWT | Grey wolf optimization | Wind wave loadings | Earthquake excitations | VIBRATION CONTROL | COLUMN DAMPERS | PROTECTION | SYSTEMS...

摘要： reusable interlocking hold-down type column base | column base connection consists of a connector plate to | column base connections to connect the concrete footing | with the steel column and base plate assembly. This | reusable column base connection subjected to monotonic

关键词： Circular economy | Column base connections | Demountability | Full-scale tests | Reusability | Stiffness calculation

摘要： findings of resonant column tests on three types of | modulus values, smaller degradation of stiffness with | large stiffness contrast. | Abstract Several studies show that scrap tyre | rubber mixed with sand is an effective and sustainable

关键词： Damping | Layered specimen | Resonant column | Sand | Scrap tyre rubber | Stiffness

摘要： characterizing the initial stiffness have been proposed | -column steel joints. An experimental test campaign was | stiffness and resistance of the face-plate component | stiffness under compressive in-plane transverse loads were | © 2024 The AuthorsThe behaviour of the face

关键词： Column web panel | Component characterisation | Initial stiffness | Steel connection | Tubular connection

摘要： tower is simplified as a lateral braced column | considering the pre-tensioned cable stiffness. The buckling | analytically derived based on a matrix stiffness method (MSM | © 2024This paper is concerned with the optimal | design of double-level guyed towers against buckling