300kN/500kN/600kN应力松弛试验机Relaxation Testing Machine(CE CUL/CSA)

↑�/strong>�?000h金属材料拉伸应力松弛试验1000 hours Metallic materials Tensile stress Relaxation Test：�/span>

↑�/strong>�?000h钢绞线松弛试�?000 hours Steel strand Relaxation Test：�/span>

↑�/strong>�?000h钢丝和钢筊�span style="font-family:宋体">松弛试验1000 hours Steel wires and bars Relaxation Test：�/span>

→WDSC系列;300kN/500kN/600kN微机控制钢绞线应力松弛试验机Steel strand Stress Relaxation Testing Machine(CE CUL/CSA)：�/span>

→WDSC系列;300kN/500kN/600kN微机控制钢筋钢棒应力松弛试验朹�/span>Steel wires and bars Stress Relaxation Testing Machine(CE CUL/CSA)：�/span>

重要功能９�/span>

↑�/strong>光面钢绞纾�/span>(standard strand)、刻痕钢绞线(indented strand)、模拓�span style="font-family:宋体">垊�/span>钢绞纾�/span>(compact strand)�?span style="font-family:宋体">环氧树脂钢绞纾�/span>(Epoxy resin steel strand)�?span style="font-family:宋体">预应力钢绞线(PC Strand)，无粘结预应劚�/span>钢绞纾�/span>(unbonded steel strand or monostrand)，镀锌钢绞线(galvanized)、金属材料�?/span>预应力钢东�/span>等进行等温拉伸应力松弛试验及研究、�/span>

↑�/strong>镀锌钢绞线/涂环氧树脂的钢绞纾�/span>９�/span>桥梁系杆、拉索�?/span>承力紡�/span>(messenger wire)、拉�?guy wire)、加强芯(core wire or strength member)�?/span>架空输电地线＇�/span>earth wire/ground wire）、公路阻拦索(barrier cable)�?/span>建筑结构紡�/span>(structure cable)�?/span>体外预应力工稊�/span>材料进行等温拉伸应力松弛试验及研究、�/span>

↑�/strong>PCB预应力混凝土钢棒＇�/span>Steel Bars for Prestressed Concrete （�span style="font-family:宋体">：预应力混凝土用光圆钢棒P(plain bar)、螺旋槽钢棒HG(helical grooved bar)、螺旋肋钢棒HR(helical ribbed bar)、带肋钢棒R(ribbed bar)进行等温拉伸应力松弛试验及研究、�/span>

↑�/strong>CRB650/CRB800/CRB970冷轧带肋钢筋、PSB785/PSB830/PSB930/PSB1080预应力混凝土用螺纹钢筊�/span>(精轧螺纹钢筋)�?/span>凝土离心管桩、电杆、高架桥墩、铁路轨枕等预应力构仵�/span>进行等温拉伸应力松弛试验及研穵�/span>、�/span>

重要试验９�/span>

★预应力钢绞线、PC钢棒、钢丝和钢筋、金属材料等温应力松弛试验，1000h应力松弛试验周期、�/span>

★等温应力松弛试验是在给定温度下(20℃士2�?，将试样保持一定长�?L₀+△L₀),从初始力F₀开始，测定试样上力的变化；应力松弛试验周期120h�?000h可设、�/span>

↑�/strong>初始试验力、初始试验力保持、零时间保持初始总应变、标距恒定、连续记录试验力和温度、定时记录试验力和温度、监测初始总应变和标距、松弛率、松弛特性曲纾�/span>(剩余试验劚�/span>-温度、力-松弛率、力-位移变形�?：�/span>

↑�/strong>等温应力松弛试验(最大应力、给定温度、初始力、损失力、原始标�?000/钢绞线捻距倍数、标距伸长、引伸计�?0% F₀｝�/span>80% F₀连续加载、匀速率加载、多个均匀阶段�?/span>80% F₀｝�/span>100% F₀连续加载、保持恒定、应变保持、应变变化、力值记录频率、测力分辨率、引伸计分辨玆�/span>)、�/span>

�?000h等温应力松弛试验(开始时间、给定时间、记录力间隔时间、连续记录、松弛时间≥1000h)、�/span>

↑�/strong>GB/T10120-2013，GB/T5224-2014中国标准：应力松弛试验时间≥120h、数据推�?000h、�/span>

→ISO 15630-3:2010国际标准：应力松弛试验周期≥120h，数据推算、�/span>

→EN欧共体标准：应力松弛试验周期�?20h，数据推算、�/span>

→NF法国标准：应力松弛试验周期≥120h，数据推算、�/span>

→AS NZS 4672.2-2007澳大利亚标准：应力松弛试验周期≥160h，数据推算、�/span>

→ASTM E328-2013，ASTM A416/A416M-2012a美国标准：应力松弛试验周朞�/span>�?000小时，不规定推算、�/span>

→BS5896-2012英国标准：应力松弛试验周期≥1000h，不规定推算、�/span>

→JIS G3536日本标准：应力松弛试验周期≥1000h，不规定推算、�/span>

→JIS Z2276-2012日本标准：应力松弛试验周朞�/span>�?000h，不规定推算、�/span>

依据标准９�/span>

→GB/T10120-2013金属材料 拉伸应力松弛试验方法Metallic materials-Tensile stress relaxation-Method of test：�/span>

→GB/T5224-2014预应力混凝土用钢绞线Steel strand for prestressed concrete：�/span>

→GB/T5223-2014预应力混凝土用钢丝Steel wire for prestressing of concrete：�/span>

→GB/T5223.3-预应力混凝土用钢棒Steel bars prestressed concrete：�/span>

→GB/T21839-预应力混凝土用钢材试验方法Steel for prestressed concrete-Test methods：�/span>

→GB/T13788-冷轧带肋钢筋cold rolled ribbed steel wires and bars：�/span>

→GB/T20065-2016预应力混凝土用螺纹钢筋Screw-thread steel bars for the prestressing of concrete：�/span>

→GB/T30828-2014预应力混凝土用中强度钢丝Middle strength steel wire for prestressed concrete：�/span>

→GB/T3428-2012架空绞线用镀锌钢纾�/span>Zinc-coated steel wire for stranded conductors：�/span>

→GB/T31314-2014多丝大直径高强度低松驰预应力钢绞纾�/span>Many high strength of large diameter wire low relaxation prestressed strands：�/span>

→GB/T31304-2014氧涂层高强度钢丝拉索Epoxy-coated high strength wire stay cable：�/span>

→GB/T30826-2014斜拉桥钢绞线拉索技术条件Technical conditions for steel strand cable of cable stayed bridge：�/span>

→GB/T33026-2017建筑结构用高强度钢绞线High strength steel wire strand for building structures：�/span>

→GB/T25823-单丝涂覆环氧涂层预应力钢绞线Individual epoxy-coated wire prestressing steel strand：�/span>

→GB/T33363-2016预应力热镀锌钢绞线Hot-dip galvanized steel strand for prestress：�/span>

↑�/strong>ISO 15630-3《混凝土钢筋和预应力用钢 试验方法 �?部分：预应力用钢》Steel for the reinforcement and prestressing of concrete-Test methods-Part3:Prestressing steel，MOD：�/span>

→ISO6934-3预应力混凝土用钢 �?部分：淬火回火钢丝Steel for prestressing of concrete-Part3:Quenched and tempered wire＋�/span>MOD：�/span>

→ISO 6934-4预应力混凝土用钢�?/span>4部分：钢绞线Steel for prestressing of concrete-Part4:strand,NEQ：�/span>

→ISO 14655预应力混凝土用环氧树脂涂层钢绞线Epoxy-coated strand for the prestressing of concrete：�/span>

↑�/strong>EN 10391《金属材� 拉伸应力松弛试验 �?部分：试验程序》Metallic materials-Tensile stress relaxation-Part1:Test procedure：�/span>

→ASTM E328-2013 材料和结构件应力松弛标准试验方法Standard Test Methods for Stress Relaxation Tests for Materials and Structures：�/span>

→ASTM A416/A416M-2012a预应力混凝土用无镀层七股钢绞线规格Standard Specification for Steel Strand, Uncoated Seven-Wire for Prestressed Concrete：�/span>

→ASTM A882/A882M-2004涂环氧树脂的7丝预应力钢绞线Standard Specification for Filled Epoxy-Coated Seven-Wire Prestressing Steel Strand：�/span>

→BS 5896-2012预应力混凝土用高抗拉钢丝和绞合钢绲�/span>.规格High tensile steel wire and strand for the prestressing of concrete. Specification：�/span>

→JIS G3536预应力混凝土用钢丝和绞线Steel wires and strands for prestressed concrete：�/span>

→JIS G3137预应力混凝土用小直径钢筋Small diameter steel bars for prestressed concrete：�/span>

→JIS Z2276-2012 金属材料拉伸应力松弛试验方法Method of tensile stress relaxation test for metallic materials：�/span>

→AS NZS 4672.2-预加应力钢材斘�/span>�?/span>2部分：测试要求Steel prestressing materials-Testing requirements：�/span>

重要特点９�/span>

↑�span style="font-family:宋体">人体工程学设计�?/span>机宜人、人适机，符合人-�?环境系统，高效、健康、舒适、安�?span style="font-family:宋体">、�/span>

↑�span style="font-family:宋体">卧式四立柱�?/span>高刚�?/span>、高稳定性�?/span>无振动冲击�?/span>流线垊�/span>载荷朹�/span>枵�/span>＋�/span>机架尺寸可定刵�/span>、�/span>

→高精度测力传感器，线性宽，稳定性好，保证载荷测力精准度、�/span>

↑�span style="font-family:宋体">高速率、低振动�?/span>免维抣�/span>制动型交流伺朌�/span>电机叉�/span>驱动系统，制动刹车功胼�/span>、�/span>

→试验进行中如出现特殊事件（如停电、电脑卡死等），伺服电机制动系统启动，保证保持目标值不变；软件自动保存数据，事件解除后可继续试验、�/span>

→应力松弛试验过程由三个温度采集器精准温度采集、实时跟随�

↑�/strong>电路板采用光电隔离设计，抗干扰能力强、�/span>

↑�/strong>拥有多种规格预应力钢绞线�?/span>PC钢棒、钢丝和钢筋、金属棒材松弚�span style="font-family:宋体">试验夹具可供选择、�/span>

↑�/strong>宽泛皃�/span>测试速度0.001�?0mm/min内任意选择、�/span>

↑�span style="font-family:宋体">内置以太网接口；方便的手�?/span>控制�?/span>，即停即行功能；操作灵活、随意切换、�/span>

↑�span style="font-family:宋体">内置弎�/span>全数字闭环、多通道、多功能、易擌�/span>�?/span>皃�/span>HRJ-Test应力松弛测控软件：�/span>多种标准方法（国标�?/span>国军标�?/span>英标、美标、德标、日标、意标、俄标�?/span>法标、澳标�?/span>欧标筈�/span>/GB、GJB、ISO、JIS、ASTM、DIN、BS、NF、EN�?/span>AS、NBR、IEC�?/span>GOST、CNS)、�/span>

→中国标准数据推算：试验周期�?20h＋�span style="font-family:宋体">推算1000小时的应力松弛性能，推算方式有双对数和单对数选项，推算数据有全部数据和特征时间点对应数据选项：�span style="font-family:宋体">试验时间可根据要求不同自行设置、�/span>

↑�/strong>试验过程的自动控刵�/span>，试验力、应力�?/span>变形�?/span>保持全闭环控刵�/span>，全键盘输入操作和控制模式智能设置系绞�/span>：�/span>

↑�span style="font-family:宋体">控制模式任意设置，无冲击＋�/span>平滑切换＋�/span>功�/span>轼�/span>、卸载平稳、�/span>

↑�/strong>加荷速率任意设定，恒负荷、恒位移、恒变形控制、�/span>

↑�/strong>自动求取试件的应力松弛性能（如应力松弛率、松弛应力、松弛率等）及试验曲线、�/span>

↑�/strong>实时绘制剩余试验劚�/span>-温度，力-松弛率，�?位移变形等曲线、�/span>

→过程再现和数据再分析、曲线放大、比较、遍历、多曲线叠加：�/span>曲线可自由放大和缩小；满度自调、�/span>

→模块化、开放式编程、个性化设计＋�span style="font-family:宋体">试验条件（试样环境、测试条件）可自编程、自添加、�/span>

→标准模块；权限管理模块、试验模块、控制模块、分析模块、查询模块、输出模块等、�/span>

→灵活的Excel或Word报告格式，可选择、指定、排序、单独、合幵�span style="font-family:宋体">、多类型输出、�/span>

↑�span style="font-family:宋体">载荷标定功能＋�/span>操作提示和向导功胼�/span>、�/span>

↑�span style="font-family:宋体">网络数据库管琅�/span>，可与多家联网公司直聓�/span>、�/span>

↑�span style="font-family:宋体">多重保护功能：试验力过载保护；过流、过压保护；试样破断时安全保护；试验结束自动保护等、�/span>

重要参数�

300kN/500kN/600kN应力松弛试验�?CE CUL/CSA)：�/span> 钢绞线应力松弛试验机Steel strand Stress Relaxation Testing Machine(CE CUL/CSA)：�/span> 钢筋钢棒应力松弛试验机Steel wires and bars Stress Relaxation Testing Machine(CE CUL/CSA)：�/span>
1	最大松弛试验力	300kN		500kN/600kN
2	试验力测量范図�/span>	1%�?00%FS
3	试验力准确度	≤�?%
4	试验力分辨力	1/±300000F.S（全程分辨力不变（�/span>
5	变形测量范围	0.2%�?00%FS
6	变形测量分辨劚�/span>	0.001mm
7	钢绞线松弛变形标跜�/span>	�?200mm	�?400mm
8	钢绞线标距长�?/span>	≥钢绞线公称直径60倍，≥钢丝公称直�?00倌�/span>
9	松弛丝杠行程	0�?00mm
10	丝杠移动调整速率	0.001�?0mm/min
11	松弛试验有效测试空间	�?000mm	�?800mm
12	钢绞线松弛载荷施功�/span>	20%F0�?00%F0连续加载、匀速率加载、载荷恒定、应变保�?/span>
13	应力松弛试验程序	全数字闭环，匀速自动加载、保持、自动记彔�/span>
14	钢绞线公称直�?mm)	�?.50/�?1.10/�?2.70/�?5.24		�?5.24/�?8.00/�?1.80
15	应力松弛试验扩展	预应力钢丝、预应力钢筋钢棒、金属材料应力松弛试骋�/span>
16	载荷机架型式	卧式四立柱、高刚性、高稳定性、无振动冲击、流线型
17	电源电压	�?80V±10% 50Hz（须可靠接地（�/span>
18	机器功率	2.0kW		2.5kW
19	载荷机架尺寸(LWH)	�?850x700x1150mm		�?800x800x1200mm