Dynamic response of RPC-filled steel tubular columns with high load carrying capacity under axial impact loading

Experimental investigation into impact-resistant behavior of reactive powder concrete (RPC)-filled steel tubular columns was conducted,and dynamic response of the columns under axial impact loading was studied by means of numerical simulation method.Increase coefficient of load carrying capacity and ratio of load carrying capacity between steel tube and RPC core of col-umns were obtained.     

沉管灌注筒桩荷载-沉降曲线的拟合分析

采用双折线荷载传递函数,推导出沉管灌注筒桩(简称筒桩)轴向荷载(Q)-沉降(S)曲线的解析表达式．通过非线性优化算法,拟合实测的Q-S曲线,可得到桩土系统的工程力学参数,并由此计算得到桩身轴力及侧摩阻力分布曲线．对一根筒桩的实测Q-S曲线进行了理论拟合,表明本文公式的有效性．利用本文退化公式,计算沉管灌注桩的Q-S曲线,并与筒桩进行比较．     

The BASES expert statement on exercise therapy for people with chronic kidney disease

Chronic kidney disease (CKD) is becoming a serious health problem throughout the world and is one of the most potent known risk factors for cardiovascular disease, which is the leading cause of morbidity and mortality in this patient population. Physical inactivity has emerged as a significant and independent risk factor for accelerated deterioration of kidney function, physical function, cardiovascular function and quality of life in people in all stages of CKD. CKD specific research evidence, combined with the strong evidence on the multiple health benefits of regular and adequate amounts of PA in other cardiometabolic conditions, has resulted in physical inactivity being identified by national and international CKD clinical practice guidelines as one of the multiple risk factors that require simultaneous and early intervention for optimum prevention/management of CKD. Despite this realisation, physical inactivity is not systematically addressed by renal care teams. The purpose of this expert statement is therefore to inform exercise and renal care specialists about the clinical value of exercise therapy in CKD, as well as to provide some practical recommendations on how to more effectively translate the existing evidence into effective clinical practice.     

1例霍乱并急性肾功能衰竭患者的护理

目的探讨霍乱并发急性肾功衰的治疗及护理措施。方法对患者采取补液、抗感染、血液透析、消毒隔离、口腔护理、饮食护理及并发症的对症处理和相应的护理。结果经过20天的精心治疗和护理,患者痊愈出院。结论正确地救治、护理、消毒隔离能控制传染源,切断传播途径,可提高治愈率,降低死亡率。     

浅谈小截面筒体钢筋混凝土施工技术措施

工程施工技术措施的选择是建设工程控制与进度控制的关键。它直接涉及业主和施工单位的经济利益。对于小截面筒体钢筋混凝土结构体的施工,作者采用埋设固定倒杆控制体中轴线的方法,以钢架、内模相对不动为模基,重复拆换外模层层加高浇筑的施工工艺,效果很好。它比大截面的滑模施工方法要简单、省工、经济,劳动强度小,且进度快。在技术经济效益方面具有显著优势。可为类似工程施工提供借鉴。