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基于深度学习的施工安全隐患整改智能推荐系统

open access: yes大数据, 2023
水利工程施工安全隐患治理正向信息化与智能化转型,为了高效地从大量非结构化的施工安全隐患数据中挖掘出有价值的潜在信息,提出了基于深度学习的施工安全隐患整改智能推荐系统。该算法基于词频逆向文档频率算法,提取施工安全隐患的特征词,构建安全隐患关联桑基图,展示施工标段、隐患特征、隐患类型之间的信息流动特征;基于FP-Growth算法挖掘历史数据中的关联规则;结合序列相似度匹配(sequence similarity matching,SSM)算法和Doc2Vec模型,优化案例检索推荐的过程 ...
刘震, 赵嵩, 杨涛, 蔡太伟
doaj   +1 more source

城市风景园林规划设计中的地域特征分析

open access: yes园林景观, 2022
近年来,在中国经济快速发展的同时,国家的城市现代化建设进程不断加快,风景园林的施工建设项目更是不断增多。在针对具体的城市风景园林进行施工建设的过程当中,城市地域特征对风景园林的规划设计有着较大的影响。为了保障城市风景园林规划设计的合理性,不仅应当积极探索地域特征对风景园林规划设计所产生的重大影响,同时也应当思考当地人文风貌特征对城市风景园林规划设计所起到的引导作用。在此基础上,论文具体从地域特征的影响入手,分析如何发挥地域特征对城市园林规划设计的引导作用。
丛 军超
semanticscholar   +1 more source

Research on local feature recognition techniques for concurrent design(面向并行设计的局部特征识别技术研究)

open access: yesZhejiang Daxue xuebao. Lixue ban, 2003
为支持在并行设计过程中设计特征模型到加工特征模型的逐步转换,提出了局部特征识别的方法.在并行设计中,设计特征模型和加工特征模型通过面名历史图共享零件的实体模型,设计特征的变动通过局部特征识别自动地转换为相应的加工特征.局部特征识别是由基于最小条件子图特征识别方法改进来的,它以零件的局部区域为识别对象,通过搜索匹配局部区域构成的边界模式,识别出该局部区域中所包含的加工特征.局部特征识别方法的特点是只对设计中发生变动的区域进行识别.
ZHANGFeng-jun(张凤军)   +1 more
doaj   +1 more source

太湖水龄分布特征及“引江济太”工程对其的影响

open access: yesJournal of Lake Sciences, 2017
太湖作为典型的风生流湖泊,风场对水体运输和交换的过程起着重要的作用.基于环境水动力学模型EFDC源程序建立了染色剂模型以及水龄模型,借助水龄研究太湖水体的长期输运过程和更新速率特征,从而为太湖的调水工程管理提供科学依据.本文在研究春、夏、秋、冬季不同风场作用下太湖的水龄季节性分布特征的基础上,结合太湖实测风速、流量数据及“引江济太”工程调水运行的现状,着重分析了望虞河枢纽调水运行以及新沟河工程对太湖水龄分布的影响.数值试验的模拟结果表明:太湖水体交换受季风影响明显,春、夏季的水龄相对较大、水体交换较差 ...
Chun-Lin Huang, Xi Li, Yong-Yuan Sun
semanticscholar   +1 more source

Design of quaternary Schmitt circuits(四值施密特电路设计)

open access: yesZhejiang Daxue xuebao. Lixue ban, 2001
本文分析了四值施密特电路工作过程中的时序特征,导出了相应的特征方程,并利用时序电路的设计方法,提出两种四值施密特电路的设计方案.基于TTL技术设计的四值施密特电路已用PSPICE模拟证明了具有理想的施密特电路功能.讨论表明四值施密特电路的特征方程及电路的逻辑结构与对二值施密特电路及三值施密特电路讨论的结果相同,由此发现各种基的施密特电路具有共性.
WANGPeng-jun(汪鹏君)   +2 more
doaj   +1 more source

框架剪力墙结构建筑施工技术在建筑工程中的应用与探析

open access: yes工程建设, 2023
近年来,建筑业发展迅速。在推进城市社会现代化的同时,在现代化进程的各个阶段,对区域内整个建筑业的协调发展始终提出更严格的要求。建筑业的发展不仅需要满足居民对建筑功能使用的基本需求,还需要保证建筑的基本质量。在快速发展的现代科学技术社会中,出现了许多新技术和新设备。新事物的出现将逐渐取代传统的产业模式和发展方向,并将广泛应用于各种工作中。作为建筑中的重要技术之一,框架剪力墙的安全性已成为其主要特征,也是将这种建筑模式应用于建筑工程的一个重要优势。框架剪力墙的设计在建筑工程中最为突出 ...
Zhong-Ling Jin
semanticscholar   +1 more source

探讨工程深基坑支护施工技术

open access: yes工程施工技术, 2023
本篇文章探讨了工程深基坑支护施工技术。首先介绍了工程深基坑支护施工技术的基本特征,包括区域性特征、复杂性特征、影响因素和支护类型等;对工程深基坑支护施工常见问题进行分析,包括物理参数选择问题、开挖空间难以兼顾的问题、土体取样全面性问题和边坡修理不规范问题;重点探讨工程钻孔压浆施工技术、工程土钉墙施工技术、非预应力锚杆施工技术以及深基坑降水与便道加工技术;通过综合应用不同的支护技术,可提高基坑工程的稳定性和安全性。期望本篇文章能够为相关工程提供一定的参考作用。
飞行 沈
semanticscholar   +1 more source

建筑工程项目全过程咨询组织管理优化研究

open access: yes工程建设, 2022
随着工程技术咨询服务业务的日益发达,传统的碎片式咨询将逐步被全过程工程咨询所代替。文章中首先剖析了建筑工程全过程咨询服务的主要特征,接着又简要介绍了基于建筑工程全过程咨询服务的项目管理策略,并期望能为有关部门工作人员提供一些借鉴。
Jian-Sheng Zhang
semanticscholar   +1 more source

智能化工程中的机电施工安装技术应用探析

open access: yes智能城市应用, 2022
随着科学技术的不断发展,各行各业的技术水平得到了显著的提升,机电设备的安装也逐渐朝着智能化的方向发展。因此,目前在实施智能化工程时,必须合理运用机电施工与安装技术,使其最大限度地发挥其作用,从而提高其在未来的使用中的作用。此文章着重介绍了智能建筑的基本特征,对常用的机电安装技术进行了论述,并就智能建筑中的机电安装技术在智能化工程中的具体应用提出了自己的见解。
Jia Wu
semanticscholar   +1 more source

基于声学指纹分析的高压断路器机械故障诊断方法

open access: yesGaoya dianqi, 2021
断路器分合闸过程产生的声音信号中含有丰富的信息,文中提出一种基于声学指纹的高压断路器机械故障诊断方法。搭建了声学指纹故障模拟试验实验平台,对某252 kV高压断路器分合闸试验采集声音信号;然后分别基于短时能量、总能量、信息熵和小波包分解等方法分析声学指纹信号并提取特征量,克服了单一类型特征值难以区分故障的问题。结果表明:多种特征量联合分析可实现对高压断路器不同工况的有效辨识,得到了基于声学指纹的高压断路器不同工况机械故障相互区分判据表,并提供了分析示例;对相同工况下不同严重程度故障的特征量及趋势进行分析,
夏小飞   +6 more
doaj  

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