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学者姓名：范冰辉
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Abstract ：
The construction industry is considered one of the most hazardous industries. The accidents associated with construction equipment are a leading cause of fatalities in the U.S., with one-quarter of all fatalities in the construction industry due to equipment-related incidents, including collisions, struck-by events, and rollovers. While close collaboration among multiple equipment and humans is common, conventional collision alert mechanisms for equipment usually rely on distance sensors with static thresholds, often resulting in too many false alarms, causing drivers' ignorance. Considering the collaborative operation scenario, this research proposes and develops a dynamic-threshold alert system by recognizing hazardous events based on the types of nearby objects with their orientation or postures and their distances to the system carrier equipment based on image-based recognition and Sim2Real techniques. Two experiments were conducted, and the results show that the system successfully reduced a large number of false near-collision alarms for the collaboration scenarios. Although the accuracy of object recognition and image-based distance estimation is feasible for practical use, it is also easily degraded in the self-obstruction scenario or for equipment with large and movable parts due to incorrect recognition of the bounding boxes of the target objects.
Keyword ：
equipment collision equipment collision image recognition image recognition Sim2Real Sim2Real YOLO YOLO
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| GB/T 7714 | Dzeng, Ren-Jye , Fan, Binghui , Hsieh, Tian-Lin . Dynamic Collision Alert System for Collaboration of Construction Equipment and Workers [J]. | BUILDINGS , 2025 , 15 (1) . |
| MLA | Dzeng, Ren-Jye 等. "Dynamic Collision Alert System for Collaboration of Construction Equipment and Workers" . | BUILDINGS 15 . 1 (2025) . |
| APA | Dzeng, Ren-Jye , Fan, Binghui , Hsieh, Tian-Lin . Dynamic Collision Alert System for Collaboration of Construction Equipment and Workers . | BUILDINGS , 2025 , 15 (1) . |
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为了解大尺寸预应力UHPC箱梁的抗弯性能，以预应力UHPC公路桥——河北石磁跨线桥为背景，设计、制作1片长30 m的足尺预应力UHPC箱梁模型进行四点弯曲试验，结合有限元计算结果，分析试验现象及裂缝分布、跨中荷载～位移曲线、受拉区UHPC及筋材应力～应变曲线。在此基础上分别考虑普通钢筋配筋情况、预应力筋数、腹板厚度和底板厚度等参数对预应力UHPC箱梁进行结构优化设计研究。结果表明：箱梁破坏时受压区UHPC未压溃、受拉区钢纤维被拔出，裂缝贯通底板；根据荷载～位移曲线，箱梁受力可分为弹性阶段、裂缝发展阶段、裂缝快速发展阶段和破坏阶段；根据应力～应变曲线，受拉区UHPC在纵筋屈服时仍能贡献抗拉能力；试验现象及力学指标实测值均说明了预应力UHPC箱梁抗弯能力还有很大富裕空间，可进一步优化。完全不配置普通钢筋的预应力UHPC箱梁仍能满足抗弯承载能力极限状态设计要求；底部预应力筋数增多可有效提高受压区UHPC的抗压强度利用率；腹板厚度过薄会造成腹板主拉应力过大问题，不宜薄于8 cm;采用体外预应力的方法可有效减薄底板所需厚度。
Keyword ：
抗弯性能 抗弯性能 有限元法 有限元法 破坏形态 破坏形态 结构优化 结构优化 裂缝分布 裂缝分布 足尺模型试验 足尺模型试验 预应力UHPC箱梁 预应力UHPC箱梁
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| GB/T 7714 | 马熙伦 , 唐梓轩 , 陈宝春 et al. 30 m预应力UHPC箱梁抗弯性能试验及结构优化研究 [J]. | 桥梁建设 , 2024 , 54 (03) : 93-99 . |
| MLA | 马熙伦 et al. "30 m预应力UHPC箱梁抗弯性能试验及结构优化研究" . | 桥梁建设 54 . 03 (2024) : 93-99 . |
| APA | 马熙伦 , 唐梓轩 , 陈宝春 , 范冰辉 . 30 m预应力UHPC箱梁抗弯性能试验及结构优化研究 . | 桥梁建设 , 2024 , 54 (03) , 93-99 . |
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This study investigates the flexural behavior of the large prestressed UHPC box girder. An overpass carrying a section of the Shijiazhuang-Ci County Expressway in Hebei Province is used as a case. A 30 m-long full-scale prestressed UHPC box girder mock-up was prepared for the four-point flextural tests, together with the finite element calculation, the findings of the tests as well as multiple key factors were analyzed, including crack distribution, midspan load-dispalcement curve, UHPC in tensile zone, and the stress-strain curves of the tendons. In the flexural tests, the UHPC in the compressive zone was not crushed when the box girder fractured, the steel fibers were pulled out in the tensile zone, and the cracks propagated through the bottom slabs of the box girder. The load-displacement curves indicate that the box girder experienced four stages during the test, including the elastic stage, the crack propagation stage, the crack rapid propagation stage and failure stage. It can be seen from the stress-strain curves that the UHPC in the tensile zone still contributes tensile stress even when the longitudinal tendons were yielded. The findings in the flexural tests and the measured mechanical property indexes all proved that there was large flexural performance margin of the prestressed UHPC, which can be further optimized. The optimization of the prestressed UHPC box girder was performed considering the amount of common reinforcing bars, prestressing tenons amount, web thickness and bottom slab thickness. It is shown that the UHPC box gider with no normal reinforcement still meets the design requirements of ultimate limit state. Increasing the number of prestressing tendons in the bottom slabs can effectively enhance the compressive strength utilization rate of the UHPC in compression zones. The web thickness should be kept within proper range, thinner webs arc more likely to succumb to oversized principal tensile stress, thus better being no less than 8 cm. Adding external prestressing tendons arc associated with the reduction of the thickness of bottom slabs of the box gider. © 2024 Wuhan Bridge Media Co., Ltd., MBEC. All rights reserved.
Keyword ：
Bending moments Bending moments Bending tests Bending tests Box girder bridges Box girder bridges Bridge decks Bridge decks Cables Cables Compressive strength Compressive strength Cracks Cracks Dynamic response Dynamic response Fracture mechanics Fracture mechanics Heat affected zone Heat affected zone Hydroelasticity Hydroelasticity Mockups Mockups Prestressed beams and girders Prestressed beams and girders Residual stresses Residual stresses Shear bands Shear bands Steel beams and girders Steel beams and girders Straightening Straightening Strain rate Strain rate Stress concentration Stress concentration Stress-strain curves Stress-strain curves Stretching Stretching Tensile strength Tensile strength Tensile stress Tensile stress Tensile testing Tensile testing
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| GB/T 7714 | Ma, Xilun , Tang, Zixuanx , Chen, Baochun et al. Experimental Study on Flexural Behaviors and Structural Optimization of 30 m-Long Prestressed UHPC Box Girder [J]. | Bridge Construction , 2024 , 54 (3) : 93-99 . |
| MLA | Ma, Xilun et al. "Experimental Study on Flexural Behaviors and Structural Optimization of 30 m-Long Prestressed UHPC Box Girder" . | Bridge Construction 54 . 3 (2024) : 93-99 . |
| APA | Ma, Xilun , Tang, Zixuanx , Chen, Baochun , Fan, Binghui . Experimental Study on Flexural Behaviors and Structural Optimization of 30 m-Long Prestressed UHPC Box Girder . | Bridge Construction , 2024 , 54 (3) , 93-99 . |
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For through tied-arch bridges, the corrosion and degradation of the cable's load-bearing capacity are the main external causes of cable breakage and subsequent structural failure; nevertheless, the progressive collapse after cable breakage is primarily attributed to the weak structural robustness, which makes a huge potential risk of bridge operation and maintenance (O & M). Whereas, as the basis of O & M, current condition evaluation method has not yet taken into consideration the influence of different consequences of cable breakage, resulting in unscientific conclusions for O & M decisions frequently. In this study, a robustness-based condition evaluation framework for the overall structure of the through tied-arch bridge is presented, consisting of three stages: (1) structural robustness assessment associated with tie-bar and suspender failure respectively; (2) classification of evaluation process by the results of robustness assessment, within which the overall structure is either evaluated using the code method or evaluated directly as unqualified (Condition I and II), or the structural member weightings are adjusted according to the robustness weightings (Condition III); and (3) condition evaluation of entire bridge. The evaluation processes of three conditions are further presented in accordance with the tied-arch structure and suspended deck system. To establish the robustness weightings in Condition III, the safety redundancy indexes of through tied-arch structures as well as the suspended deck system are calculated separately, combined with robustness assessment result. Applying the proposed framework to evaluating the condition of a through tied-arch bridge with different structures, the analysis and comparison indicates that, due to the robustness of the through tied-arch structure and suspended deck system, the variation in the potential risk of accidents induced by cable failure is shown intuitively through the evaluation results, which better meets the needs of guiding bridge O & M decisions consequently.
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| GB/T 7714 | Fan, Bing-hui , Wang, Su-guo , Chen, Bao-chun et al. Robustness-Based Condition Evaluation Framework for Through Tied-Arch Bridge [J]. | JOURNAL OF PERFORMANCE OF CONSTRUCTED FACILITIES , 2023 , 37 (2) . |
| MLA | Fan, Bing-hui et al. "Robustness-Based Condition Evaluation Framework for Through Tied-Arch Bridge" . | JOURNAL OF PERFORMANCE OF CONSTRUCTED FACILITIES 37 . 2 (2023) . |
| APA | Fan, Bing-hui , Wang, Su-guo , Chen, Bao-chun , Chao, Peng-fei , Sun, Qi . Robustness-Based Condition Evaluation Framework for Through Tied-Arch Bridge . | JOURNAL OF PERFORMANCE OF CONSTRUCTED FACILITIES , 2023 , 37 (2) . |
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Compared with those of other bridge types, the structural system of through tied-arch bridges is particularly susceptible to failure owing to the deterioration and fracturing of tie-bars as well as a lack of structural robustness, which are the main internal and external causes of progressive collapse accidents, respectively. In particular, low structural robustness strongly influences the severity of accidents induced by tie-bar breakage. To objectively reflect the possible failure mode induced by tie-bar failure and to provide improved structural robustness in through tied-arch bridges, within which the suspended deck system is relatively independent, a robustness assessment framework considering tie-bar failure is proposed in this study, by considering the design and maintenance essentials. First, the main analysis parameters for the extreme-event limit state considering tie-bar failure are put forward, including the critical tie-bar failure rate, partial factor for load effects, transverse reduction factor of multilane loading, dynamic magnification factor of material strength, and reduction factors of residual strength. Second, the quantitative assessment index of structural robustness I-T,I-rob is proposed based on the safety redundancy of the remaining structural members, and robustness assessment rules are put forward in accordance with the different calculation results of I-T,I-rob and horizontal displacement. A typical rigid-framed through tied-arch bridges is assessed using the proposed framework. The assessment results reveal that multiple fortifications against extreme events of tie-bar failure can be established by designing the tie-bars and the piers with sufficient safety features to form the first and final line of defense against the tie-bar breakage effect. Moreover, proper maintenance should be conducted to guarantee the structural robustness of bridges in use. The methodology is well suited for the design of new through tied-arch bridges and to access the robustness of existing bridges to ensure the safety of transportation services.
Keyword ：
Progressive collapse Progressive collapse Safety redundancy Safety redundancy Structural robustness Structural robustness Through tied-arch bridge Through tied-arch bridge Tie-bar failure Tie-bar failure
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| GB/T 7714 | Fan, Bing-hui , Wang, Su-guo , Chen, Bao-chun . Robustness Assessment Framework for Through Tied-Arch Bridge Considering Tie-Bar Failure [J]. | JOURNAL OF BRIDGE ENGINEERING , 2022 , 27 (5) . |
| MLA | Fan, Bing-hui et al. "Robustness Assessment Framework for Through Tied-Arch Bridge Considering Tie-Bar Failure" . | JOURNAL OF BRIDGE ENGINEERING 27 . 5 (2022) . |
| APA | Fan, Bing-hui , Wang, Su-guo , Chen, Bao-chun . Robustness Assessment Framework for Through Tied-Arch Bridge Considering Tie-Bar Failure . | JOURNAL OF BRIDGE ENGINEERING , 2022 , 27 (5) . |
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Abstract ：
民用建筑设计中通常存在空间净高不足的问题.为充分利用有限的建筑空间,基于BIM参数化技术建立空间净高优化方法.首先进行Revit三维建模,应用Navisworks平台对建筑空间管线进行碰撞检测,结合管线排布原则进行初步优化;继而结合Dynamo可视化编程开发参数化插件,以自动检测空间净高,对管线排布进行二次优化,直至达到目标净高.以某高铁客运站工程进行案例分析,结果表明该方法在原有楼层高度的基础上,可通过对管线的合理布置与优化,便捷高效地充分利用建筑室内空间而增加净高.
Keyword ：
Dynamo可视化编程 Dynamo可视化编程 参数化设计 参数化设计 建筑信息模型(BIM) 建筑信息模型(BIM) 碰撞检测 碰撞检测 空间净高 空间净高
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| GB/T 7714 | 范冰辉 , 孙绮 , 陈铿 et al. 基于BIM参数化的室内空间净高优化方法 [J]. | 水利与建筑工程学报 , 2022 , 20 (5) : 172-177 . |
| MLA | 范冰辉 et al. "基于BIM参数化的室内空间净高优化方法" . | 水利与建筑工程学报 20 . 5 (2022) : 172-177 . |
| APA | 范冰辉 , 孙绮 , 陈铿 , 张岩清 , 黄向宁 . 基于BIM参数化的室内空间净高优化方法 . | 水利与建筑工程学报 , 2022 , 20 (5) , 172-177 . |
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目前,BIM课程建设中存在许多问题,如模型的案例项目较为简易且与实际相差较大;项目之间衔接不完善,对项目的模型未成体系;BIM课程培养方案主要目的是让学生学会相关软件,往往忽略了学生的兴趣培养等;目前这类课程的开设重点集中在一流院校,并把对BIM应用的研究重点放在研究生上;课程设计相互间联系不够紧密,课程设计一般不考虑工程的复杂多变等问题。基于顶石课程理念,在实践教学环节引入BIM技术、在毕业设计方面对BIM技术做要求以及基于顶石课程的BIM课程设置,把BIM技术融入到实践教学中,练习BIM的实际操作,在毕业设计开设BIM方向,既可以让学生了解关于BIM的理论技术,掌握BIM技术的基本应用,在...
Keyword ：
BIM课程建设 BIM课程建设 多学科学习 多学科学习 实践教学 实践教学 工学结合 工学结合 毕业设计 毕业设计 顶石课程 顶石课程
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| GB/T 7714 | 张挺 , 许莉 , 范冰辉 et al. 基于“顶石课程”理念的BIM课程建设 [J]. | 高教学刊 , 2021 , (01) : 70-73 . |
| MLA | 张挺 et al. "基于“顶石课程”理念的BIM课程建设" . | 高教学刊 01 (2021) : 70-73 . |
| APA | 张挺 , 许莉 , 范冰辉 , 王志滨 , 钟旭盼 . 基于“顶石课程”理念的BIM课程建设 . | 高教学刊 , 2021 , (01) , 70-73 . |
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Through and half-through arch bridges is one of the main bridge types in China, having arch ribs and simple suspended deck systems, which are connected by high-strength wire suspenders. However, due to the lack of robustness, the suspended deck systems of these types of bridges caused progressive collapse after the suspender corrosion damage. In this study, the internal structural factor of progressive collapse induced by suspender failure was revealed by comparison of five cases of suspender failure, and the robustness requirement of the suspended deck systems was proposed as redundancy to avoid transverse beam collapse when two supporting suspenders on both ends were broken at the same time. Meanwhile, a typical rigid-framed tied through concrete-filled steel tube arch bridge was investigated, and structural condition evaluation was carried out based on the Chinese standard (JTG/T H21-2011). It was found that the evaluation results of bridges with different deck systems were unreasonable, as the better the robustness was, the worse the condition of the deck system was rated, which would mislead the bridge maintenance decisions. A robustness-based evaluation method was then proposed by adopting different evaluation method according to the robustness of the suspended deck system, which is determined by qualitative classification or quantitative calculation. In addition, weight-adjusting method considering robustness was introduced in the evaluation process. The result showed that the new method could objectively reflect the condition of the bridge and thus fits the needs of bridge maintenance and management better.
Keyword ：
arch bridge arch bridge condition evaluation condition evaluation failure failure progressive collapse progressive collapse robustness robustness suspender suspender
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| GB/T 7714 | Fan, Bing-Hui , Su, Jia-Zhan , Chen, Bao-Chun . Condition evaluation for through and half-through arch bridges considering robustness of suspended deck systems [J]. | ADVANCES IN STRUCTURAL ENGINEERING , 2021 , 24 (5) : 962-976 . |
| MLA | Fan, Bing-Hui et al. "Condition evaluation for through and half-through arch bridges considering robustness of suspended deck systems" . | ADVANCES IN STRUCTURAL ENGINEERING 24 . 5 (2021) : 962-976 . |
| APA | Fan, Bing-Hui , Su, Jia-Zhan , Chen, Bao-Chun . Condition evaluation for through and half-through arch bridges considering robustness of suspended deck systems . | ADVANCES IN STRUCTURAL ENGINEERING , 2021 , 24 (5) , 962-976 . |
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本发明涉及一种分段自复位摇摆墙，包括设在基础上的摇摆墙本体，摇摆墙本体由至少两层摇摆墙基体由下至上依次连接而成，摇摆墙基体上沿纵向预埋有若干预留孔道，基座上开设有与预留孔道相配合的通孔，预留孔道内穿设有预应力筋，预应力筋两端装有锚具，摇摆墙基体下端预埋钢棒，预埋钢棒下端由摇摆墙基体伸出，基础、除最顶层的摇摆墙基体外的其余摇摆墙基体的上侧面上均预埋有能与预埋钢棒插接的预埋钢帽，最下层的摇摆墙基体前后两侧与基础经耗能件连接，本摇摆墙采用分段式设计，单体尺寸小运输吊装方便，能减小整体结构的地震反应，有效地减小地震中摇摆墙墙体的内力，避免墙体受力较大处提前发生破坏丧失墙体的有效性。
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| GB/T 7714 | 王素裹 , 吴敏 , 范冰辉 . 分段自复位摇摆墙 : CN202021707030.3[P]. | 2020-08-17 . |
| MLA | 王素裹 et al. "分段自复位摇摆墙" : CN202021707030.3. | 2020-08-17 . |
| APA | 王素裹 , 吴敏 , 范冰辉 . 分段自复位摇摆墙 : CN202021707030.3. | 2020-08-17 . |
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Tie bars on through tied arch bridges are often in poor condition and may serve as an external cause of a tie-bar failure accident; nevertheless, bridge structural robustness contributes greatly in resisting progressive collapse, and poor robustness tends to be the essential internal cause of possible accident. To study the dynamic effect of tie-bar failure of a through tied arch bridge and to reveal the mechanism of how structural robustness reduces dynamic effects, a finite-element model of a typical rigid-frame through tied arch bridge is developed based on the most adverse tie-bar breaking time, a transient-unloading method with equivalent load is adopted to analyze the dynamic response of tie-bar failure, and the results under different working conditions are compared. Furthermore, parameter analysis of the arch-to-pier stiffness ratio is conducted for the dynamic-amplification effect. The results indicate that both the pier and the arch rib have significant dynamic-amplification effects with respect to tie-bar breakage, and the remaining tie bars are the most vulnerable elements of the bridge; thus, they should be considered the most important elements when conducting tie-bar failure analysis; the most adverse breaking time adopted in cable breakage analysis can be taken as 0.01 T; a greater arch-to-pier stiffness ratio is beneficial to reduce the dynamic response brought on by tie-bar breakage; therefore, a rigid-frame through tied arch bridge should be designed with a large pier thrust stiffness, while a simply supported tied arch bridge should not be used in future through arch bridges, and existing ones should be retrofitted as soon as possible. (c) 2020 American Society of Civil Engineers.
Keyword ：
Amplification effect Amplification effect Dynamic response Dynamic response Progressive collapse Progressive collapse Structural robustness Structural robustness Through tied arch bridge Through tied arch bridge Tie-bar breakage Tie-bar breakage
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| GB/T 7714 | Fan, Bing-hui , Wang, Su-guo , Chen, Bao-chun . Dynamic Effect of Tie-Bar Failure on Through Tied Arch Bridge [J]. | JOURNAL OF PERFORMANCE OF CONSTRUCTED FACILITIES , 2020 , 34 (5) . |
| MLA | Fan, Bing-hui et al. "Dynamic Effect of Tie-Bar Failure on Through Tied Arch Bridge" . | JOURNAL OF PERFORMANCE OF CONSTRUCTED FACILITIES 34 . 5 (2020) . |
| APA | Fan, Bing-hui , Wang, Su-guo , Chen, Bao-chun . Dynamic Effect of Tie-Bar Failure on Through Tied Arch Bridge . | JOURNAL OF PERFORMANCE OF CONSTRUCTED FACILITIES , 2020 , 34 (5) . |
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