標(biāo)準(zhǔn)編號(hào):	SH/T 3510-2017
中文名稱:	石油化工設(shè)備混凝土基礎(chǔ)工程施工質(zhì)量驗(yàn)收規(guī)范
英文名稱:	Acceptance specification for construction quality of equipment concrete foundations in petrochemical industry
行業(yè)分類:	SH    石油化工行業(yè)標(biāo)準(zhǔn)
發(fā)布機(jī)構(gòu):	中華人民共和國(guó)工業(yè)和信息化部
發(fā)布日期:	2017-07-07
實(shí)施日期:	2018-1-1
標(biāo)準(zhǔn)狀態(tài):	valid
替代舊標(biāo)準(zhǔn):	SH/T 3510-2011 石油化工設(shè)備混凝土基礎(chǔ)工程施工質(zhì)量驗(yàn)收規(guī)范
翻譯語(yǔ)言:	英文
文件格式:	PDF
中文字符數(shù):	50000 字
翻譯價(jià)格(元):	5670.0
交付時(shí)間:	付款后 1 個(gè)工作日

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This specification was revised by the drafting group according to the requirements of Notice on the Plan for the development and revision of the fourth batch of professional standards in 2013 (GONGXINTINGKE [2013] No.217) issued by the Ministry of Industry and Information Technology of the People's Republic of China, through extensive investigation, careful summarization of practical experience, reference to relevant international and foreign advanced standards and extensive solicitation of opinions. This specification consists of 13 clauses. The main technical contents of this specification are: earthwork excavation and filling, template and support, reinforcement, concrete, embedded parts, grouting, finished product protection, inspection and acceptance of technical documents for completion and relevant records. This specification is revised based on SH/T 3510-2011 Acceptance specification for construction quality of equipment concrete foundations in petrochemical industry, with the main technical contents revised as follows: ——The applicable scope is modified; ——“Terms and definitions” is added; ——As for the applicability, the contents of materials in the clause of “Reinforcement” are modified; ——The clause of “Concrete” is modified with emphasis; ——The clause of “Inspection and acceptance of embedded anchor bolts” is modified with emphasis; ——The clause of “Grouting” is modified with emphasis. For the purposes of this specification, China Petrochemical Corporation (SINOPEC) is in charge of its administration; Guangzhou Construction Technology Station of China Petrochemical Corporation is responsible for its routine management; SINOPEC Tenth Construction Co., Ltd. is responsible for the explanation of its specific technical contents. In case of any opinion or suggestion in the process of implementing this standard, please send it to the routine management organization and the chief development organization. Acceptance specification for construction quality of equipment concrete foundations in petrochemical industry 1 Scope This specification specifies the construction quality criteria and inspection & test requirements for earthwork excavation and filling, template and support, reinforcement and concrete, embedded parts and grouting of equipment concrete foundations (hereinafter referred to as equipment foundations). This specification is applicable to the construction quality acceptance of cast-in-situ concrete equipment foundations in petrochemical, coal chemical and natural gas chemical construction projects. 2 Normative references The following documents are indispensable for the application of this specification. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB 1499.1 Steel for the reinforcement of concrete - Part 1: Hot rolled plain bars GB 1499.2 Steel for the reinforcement of concrete - Part 2: Hot rolled ribbed bars GB 50026 Code for engineering surveying GB 50112 Technical code for buildings in expansive soil regions GB 50164 Standard for quality control of concrete GB 50202 Standard for acceptance of construction quality of building foundation GB 50204 Code for acceptance of constructional quality of concrete structures GB 50300 Unified standard for constructional quality acceptance of building engineering GB 50496 Standard for construction of mass concrete GB 50666 Code for construction of concrete structures GB/T 10171 Concrete mixing plant (tower) GB/T 14902 Ready-mixed concrete GB/T 50081 Standard for test methods of concrete physical and mechanical properties GB/T 50107 Standard for evaluation of concrete compressive strength GB/T 50448 Code for application technique of cementitious grout JC 901 Curing compounds for cement concrete JGJ 8 Code for deformation measurement of building and structure JGJ 18 Specification for welding and acceptance of reinforcing steel bars JGJ 63 Standard of water for concrete JGJ 79 Technical code for ground treatment of buildings JGJ 107 Technical specification for mechanical splicing of steel reinforcing bars JGJ 120 Technical specification for retaining and protection of building foundation excavations JGJ 130 Technical code for safety of steel tubular scaffold with couplers in construction JGJ 145 Technical specification for post-installed fastenings in concrete structures JGJ 167 Technical specifications for safe retaining and protection of building foundation excavation engineering in collapsible loess regions JGJ/T 10 Technical specification for construction of concrete pumping JGJ/T 104 Specification for winter construction of building engineering SH/T 3503 Specification on handover technical documentation for petrochemical construction projects 3 Terms and definitions For the purposes of this specification, the following terms apply. 3.1 concrete foundation for equipment structure made of concrete and mainly used for bearing equipment load. It, referred to as equipment foundation, may be divided into block type foundation for equipment and frame type foundation for equipment according to the structural forms 3.2 block type foundation for equipment concrete foundation for equipment, composed of a single block or a number of block concrete members in superposed way 3.3 frame type foundation for equipment concrete foundation for equipment formed by connecting the baseplate and the frame structure 3.4 positioning template formed template for locating and fixing a group of anchor bolts, embedded pipes, etc. 4 Basic requirements 4.1 The construction organization for equipment foundation shall have corresponding professional qualifications, and the special operation personnel shall be qualified. The testing organization shall have the qualification certificate issued by the construction administrative department of the government and the corresponding measurement certificate. 4.2 The quality management system shall be established and perfected, and corresponding technical standards, constructional quality control system and quality inspection system shall be available on the construction site. 4.3 Before the construction of equipment foundation, design disclosure and joint review of drawings shall be completed and documented. 4.4 In addition to GB 50300, the classification and acceptance of unit works, subsection works, subitem works and inspection lots of equipment foundation shall meet the following requirements: a) the classification of unit works shall be unified with the classification of unit works of the construction project; b) the equipment frame with more than two layers shall be divided into two parts: foundation and superstructure. 4.5 Before the construction of the equipment foundation, the foundation treatment work shall be subjected to acceptance according to JGJ 79. Upon the completion of foundation construction and the installation of delivered equipment, the intermediate acceptance shall be carried out, and the equipment foundation grouting shall not be carried out until the equipment installation is qualified. 4.6 Unless otherwise specified in this specification, the inspection quantity from inspection lots shall meet the requirements of GB 50204. The dominant items shall meet the requirements of quality acceptance standards, and the qualified point rate of general items shall reach 80% or more without major defects. The deviation value shall not be greater than 1.5 times of the permissible deviation in this specification. 4.7 Materials used for engineering entities shall be subjected to site acceptance according to relevant standards. 4.8 The next working procedure shall not be allowed for concealed works without acceptance. 5 Foundation ditch 5.1 General provisions 5.1.1 Before the earthwork excavation of foundation ditch, the following data shall be available on the construction site: a) geotechnical engineering investigation data of construction sites within the construction area; b) approved construction technical documents; c) data of buildings (structures) and underground buried materials adjacent to the construction area; d) ground treatment acceptance data of the construction area; e) positioning and retest confirmation data; f) earth-moving license approved by the construction organization. 5.1.2 The acceptance of foundation ditch positioning & surveying shall meet the requirements of GB 50026. The measurement of foundation construction deformation shall meet the requirements of JGJ 8. The measurement results of the construction organization shall be confirmed by independent retest of the construction/supervision organization. 5.1.3 The excavation and filling of the foundation ditch of special soils such as expansive soil and collapsible loess shall meet the requirements of GB 50112, JGJ 79 and JGJ 167. 5.1.4 Safety measures for protecting the surrounding facilities and environment shall be taken for the earthwork excavation and filling work. 5.1.5 Drainage and dewatering measures shall be taken for the foundation ditch according to the engineering geology and the excavation depth. 5.1.6 Special construction scheme shall be compiled for seasonal earthwork construction, and shall meet the requirements of relevant specifications. 5.2 Earthwork excavation of foundation ditch Dominant items 5.2.1 The sequence and method of earthwork excavation shall be consistent with the conditions of the design construction period, and follow the principle of "grooving support, supporting before excavation, layered excavation, and no over-excavation". Inspection method: observation. 5.2.2 After the earthwork excavation, the ditch shall be inspected, and the construction of the next working procedure shall not be carried out until the ditch is qualified. Inspection method: check the ditch inspection record.

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Basic requirements 5 Foundation ditch 5.1 General provisions 5.2 Earthwork excavation of foundation ditch 5.3 Foundation earthwork backfilling 5.4 Inspection of foundation ditch quality 6 Template 6.1 General provisions 6.2 Installation and removal of template and support 6.3 Inspection and acceptance of template and support 7 Reinforcement 7.1 General provisions 7.2 Raw materials 7.3 Reinforcing steel bar construction 7.4 Inspection and acceptance of reinforcement 8 Concrete 8.1 General provisions 8.2 Concrete admixtures 8.3 Concrete transportation and pouring 8.4 Concrete curing 8.5 Mass concrete 8.6 Concrete construction joint 8.7 Concrete sample 8.8 Permissible position and dimension deviation of concrete equipment foundation 9 Embedded parts 9.1 General provisions 9.2 Embedded anchor bolts 9.3 Embedded plates 9.4 Reserved hole and embedded sleeve 9.5 Drilling adhesive anchoring bolts and bonded rebars 9.6 Permissible position and dimension deviation of embedded parts 10 Grouting 10.1 General provisions 10.2 Grouting construction 11 Equipment foundation acceptance 11.1 Appearance quality inspection of equipment foundation 11.2 Inspection of equipment foundation dimension deviation 11.3 Entitative inspection of equipment foundation 11.4 Acceptable criteria of equipment foundation acceptance 12 Finished product protection and foundation delivery and installation 12.1 Finished product protection 12.2 Foundation delivery and installation 13 Technical documents for completion Explanation of wording in this specification

石油化工設(shè)備混凝土基礎(chǔ)工程施工質(zhì)量驗(yàn)收規(guī)范 1 范圍 本規(guī)范規(guī)定了設(shè)備混凝土基礎(chǔ)(以下簡(jiǎn)稱設(shè)備基礎(chǔ))工程土方挖填、模板及支架、鋼筋與混凝土、預(yù)埋件和灌漿的施工質(zhì)量標(biāo)準(zhǔn)與檢驗(yàn)試驗(yàn)的要求。 本規(guī)范適用于石油化工、煤化工、天然氣化工建設(shè)工程中現(xiàn)澆混凝土設(shè)備基礎(chǔ)工程的施工質(zhì)量驗(yàn)收。 2規(guī)范性引用文件 下列文件對(duì)于本規(guī)范的應(yīng)用是必不可少的。凡是注日期的引用文件，僅注日期的版本適用于本規(guī)范。凡是不注日期的引用文件，其最新版本(包括所有的修改單)適用于本規(guī)范。 GB 1499.1鋼筋混凝土用鋼 第1部分：熱軋光圓鋼筋 GB 1499.2鋼筋混凝土用鋼 第2部分：熱軋帶肋鋼筋 GB 50026工程測(cè)量規(guī)范 GB 50112膨脹土地區(qū)建筑技術(shù)規(guī)范 GB 50164混凝土質(zhì)量控制標(biāo)準(zhǔn) GB 50202建筑地基基礎(chǔ)工程施工質(zhì)量驗(yàn)收規(guī)范 GB 50204混凝土結(jié)構(gòu)工程施工質(zhì)量驗(yàn)收規(guī)范 GB 50300建筑工程施工質(zhì)量驗(yàn)收統(tǒng)一標(biāo)準(zhǔn) GB 50496大體積混凝土施工規(guī)范 GB 50666混凝土結(jié)構(gòu)工程施工規(guī)范 GB/T 10171混凝土攪拌站(樓) GB/T 14902預(yù)拌混凝土 GB/T 50081普通混凝土力學(xué)性能試驗(yàn)方法標(biāo)準(zhǔn) GB/T 50107混凝土強(qiáng)度檢驗(yàn)評(píng)定標(biāo)準(zhǔn) GB/T 50448水泥基灌漿材料應(yīng)用技術(shù)規(guī)范 JC 901水泥混凝土養(yǎng)護(hù)劑 JGJ 8建筑變形測(cè)量規(guī)范 JGJ 18鋼筋焊接及驗(yàn)收規(guī)程 JGJ 63混凝土用水標(biāo)準(zhǔn) JGJ 79建筑地基處理技術(shù)規(guī)范 JGJ 107鋼筋機(jī)械連接通用技術(shù)規(guī)程 JGJ 120建筑基坑支護(hù)技術(shù)規(guī)程 JGJ 130建筑施工扣件式鋼管腳手架安全技術(shù)規(guī)范 JGJ 145混凝土結(jié)構(gòu)后錨固技術(shù)規(guī)程 JGJ 167濕陷性黃土地區(qū)建筑基坑工程安全技術(shù)規(guī)程 JGJ/T 10 混凝土泵送施工技術(shù)規(guī)程 JGJ/T 104建筑工程冬季施工規(guī)程 SH/T 3503石油化工建設(shè)工程項(xiàng)目交工技術(shù)文件規(guī)定 3術(shù)語(yǔ)與定義 下列術(shù)語(yǔ)適用于本規(guī)范。 3.1 設(shè)備混凝土基礎(chǔ)concrete foundation for equipment 由混凝土制成、以承受設(shè)備荷載為主要目的的結(jié)構(gòu)總稱。按結(jié)構(gòu)形式可分為塊體式設(shè)備基礎(chǔ)和框架式設(shè)備基礎(chǔ)兩種，簡(jiǎn)稱設(shè)備基礎(chǔ)。 3.2 塊體式設(shè)備基礎(chǔ)block type foundation for equipment 由單一塊體或若干塊體混凝土構(gòu)件疊合組成的設(shè)備混凝土基礎(chǔ)。 3.3 框架式設(shè)備基礎(chǔ)frame type foundation for equipment 由底板及框架結(jié)構(gòu)連接而成的設(shè)備混凝土基礎(chǔ)。 3.4 定距模板positioning template 用于定位和固定一組地腳螺栓、預(yù)埋管等的成型模板。 4基本規(guī)定 4.1 設(shè)備基礎(chǔ)施工單位應(yīng)具備相應(yīng)專業(yè)資質(zhì)，特種作業(yè)人員應(yīng)具備相應(yīng)資格。檢測(cè)機(jī)構(gòu)應(yīng)具有政府建設(shè)主管部門(mén)頒發(fā)的資質(zhì)認(rèn)定證書(shū)及相應(yīng)的計(jì)量認(rèn)證證書(shū)。 4.2施工現(xiàn)場(chǎng)應(yīng)建立健全質(zhì)量管理體系、有相應(yīng)的技術(shù)標(biāo)準(zhǔn)、施工質(zhì)量控制制度和質(zhì)量檢驗(yàn)制度。 4.3設(shè)備基礎(chǔ)施工前應(yīng)完成設(shè)計(jì)‘交底和圖紙會(huì)審，并形成記錄文件。 4.4設(shè)備基礎(chǔ)的單位工程、分部工程、分項(xiàng)工程和檢驗(yàn)批的劃分與驗(yàn)收，除應(yīng)符合GB 50300的規(guī)定外，尚應(yīng)符合下列規(guī)定： a)單位工程的劃分應(yīng)與建設(shè)工程項(xiàng)目的單位工程劃分相統(tǒng)一； b)兩層以上設(shè)備構(gòu)架應(yīng)分為基礎(chǔ)和上部結(jié)構(gòu)兩個(gè)分部。 4.5設(shè)備基礎(chǔ)施工前對(duì)地基處理工程應(yīng)按JGJ 79的規(guī)定進(jìn)行驗(yàn)收，基礎(chǔ)施工完成交付設(shè)備安裝時(shí)應(yīng)進(jìn)行中間驗(yàn)收，設(shè)備基礎(chǔ)灌漿應(yīng)在設(shè)備安裝驗(yàn)收合格后進(jìn)行。 4.6檢驗(yàn)批檢查數(shù)量除本規(guī)范注明外，應(yīng)符合GB 50204規(guī)定。主控項(xiàng)目應(yīng)符合質(zhì)量驗(yàn)收標(biāo)準(zhǔn)規(guī)定，一般項(xiàng)目合格點(diǎn)率應(yīng)達(dá)到80％及以上，且無(wú)嚴(yán)重缺陷，偏差值不大于本規(guī)范允許偏差的1.5倍。 4.7用于工程實(shí)體的材料應(yīng)按相應(yīng)標(biāo)準(zhǔn)進(jìn)行進(jìn)場(chǎng)驗(yàn)收。 4.8隱蔽工程未經(jīng)驗(yàn)收，不得進(jìn)行下道工序作業(yè)。 5基槽工程 5.1 一般規(guī)定 5.1.1 基槽土方開(kāi)挖前，施工現(xiàn)場(chǎng)應(yīng)具備下列資料： a)施工區(qū)域內(nèi)建筑場(chǎng)地巖土工程勘察資料； b)經(jīng)批準(zhǔn)的施工技術(shù)文件； c)施工區(qū)域臨近建(構(gòu))筑物及地下埋設(shè)物資料； d)施工區(qū)域地基處理驗(yàn)收資料； e)定位及復(fù)測(cè)確認(rèn)資料； f)經(jīng)建設(shè)單位批準(zhǔn)的動(dòng)土許可證。 5.1.2基槽定位測(cè)量的驗(yàn)收應(yīng)符合GB 50026的規(guī)定。基礎(chǔ)施工變形測(cè)量應(yīng)符合JGJ 8的規(guī)定。施工單位的測(cè)量成果應(yīng)經(jīng)建設(shè)/監(jiān)理單位獨(dú)立復(fù)測(cè)確認(rèn)。 5.1.3膨脹土、濕陷性黃土等特殊性土基槽的挖填，應(yīng)符合GB 50112、JGJ 79、JGJ 167等標(biāo)準(zhǔn)的規(guī)定。 5.1.4土方挖填工程應(yīng)采取保護(hù)周圍設(shè)施和環(huán)境安全的措施。 5.1.5基槽應(yīng)根據(jù)工程地質(zhì)及開(kāi)挖深度，采取排水、降水措施。 5.1.6土方季節(jié)性施工應(yīng)編制專項(xiàng)施工方案，并符合相應(yīng)規(guī)范規(guī)定。 5.2基槽土方開(kāi)挖 主控項(xiàng)目 5.2.1 土方開(kāi)挖的順序、方法應(yīng)與設(shè)計(jì)施工期工況相一致，并遵循“開(kāi)槽支撐，先撐后挖，分層開(kāi)挖，不得超挖”的原則。 檢驗(yàn)方法：觀察檢查。 5.2.2土方開(kāi)挖完成后應(yīng)進(jìn)行驗(yàn)槽，合格后方可進(jìn)行下道工序施工。 檢驗(yàn)方法：檢查驗(yàn)槽記錄。 一般項(xiàng)目 5.2.3土方開(kāi)挖前應(yīng)對(duì)降排水及支護(hù)系統(tǒng)檢查驗(yàn)收。 檢驗(yàn)方法：觀察并檢查驗(yàn)收記錄。 5.2.4土方開(kāi)挖至設(shè)計(jì)標(biāo)高后及時(shí)進(jìn)行下道工序。 檢驗(yàn)方法：觀察檢查。 5.2.5土方開(kāi)挖的邊坡坡率值應(yīng)根據(jù)開(kāi)挖深度和實(shí)際土質(zhì)確定。應(yīng)符合下列規(guī)定： a)在土質(zhì)均勻且地下水位低于基槽底面、天然濕度的區(qū)域，開(kāi)挖不加支撐的直立壁基槽時(shí)，挖方深度不應(yīng)超過(guò)下列規(guī)定： ——密實(shí)、中密的砂土和碎石類土(充填物為砂土) 1.0m ——硬塑、可塑的黏性土及粉質(zhì)黏土 1.25m ——硬塑、可塑的黏土和碎石類土(充填物為黏性土) 1.5m ——堅(jiān)硬的黏土 2m b)土質(zhì)均勻良好、地下水貧乏、地質(zhì)環(huán)境簡(jiǎn)單時(shí)，應(yīng)符合表5.2.5的規(guī)定； c)需對(duì)邊坡進(jìn)行支護(hù)時(shí)，支護(hù)措施應(yīng)符合JGJ 120的規(guī)定。 檢驗(yàn)方法：觀察檢查。 表5.2.5土方開(kāi)挖的邊坡坡率值 序號(hào) 邊坡土體類別 狀態(tài) 坡率允許值(高寬比) 坡高小于5m 坡高5m～10m 1 碎石土 密實(shí) 1：0.35～1：0.50 1：0.50～1：0.75 2 中密 1：0.50～1：0.75 1：0.75～1：1.00 3 稍密 1：0.75～1：1.00 1：1.00～1：1.25 4 黏性土 堅(jiān)硬 1：0.75～1：1.00 1：1.00～l：1.25 5 硬塑 1：1.00～1：1.25 1：1.25～1：1.50 注1：碎石土的充填物為堅(jiān)硬或硬塑狀態(tài)的黏性土。 注2：對(duì)于砂土或充填物為砂土的碎石土，其邊坡坡率允許值應(yīng)按砂土或碎石土的自然休止角確定。 5.2.6驗(yàn)槽遇到下列情況之一時(shí)，應(yīng)在基槽底進(jìn)行輕型動(dòng)力觸探： a)持力層明顯不均勻； b)淺部有明顯軟弱下臥層； c)有淺埋的坑穴、古墓、古井等，直接觀察難以發(fā)現(xiàn)時(shí)； d)勘查報(bào)告或設(shè)計(jì)文件有要求時(shí)。 檢驗(yàn)方法：觀察檢查、資料檢查。 5.3基礎(chǔ)土方回填 主控項(xiàng)目 5.3.1 基礎(chǔ)土方回填應(yīng)在基礎(chǔ)隱蔽驗(yàn)收合格后進(jìn)行。 檢驗(yàn)方法：檢查驗(yàn)收記錄。 5.3.2 回填壓實(shí)系數(shù)應(yīng)符合設(shè)計(jì)要求。 檢驗(yàn)方法：檢查壓實(shí)檢驗(yàn)報(bào)告。 一般項(xiàng)目 5.3.3 回填前，應(yīng)清除基槽內(nèi)的積水、淤泥和雜物。回填時(shí)，不應(yīng)損傷基礎(chǔ)混凝土及防腐層，基礎(chǔ)兩側(cè)或四周宜同時(shí)進(jìn)行。 檢驗(yàn)方法：觀察檢查。 5.3.4回填土的分層厚度及壓實(shí)遍數(shù)應(yīng)根據(jù)土質(zhì)和機(jī)具性能確定，見(jiàn)表5.3.4。 表5.3.4填土施工時(shí)的分層厚度及壓實(shí)遍數(shù) 序號(hào) 壓實(shí)機(jī)具 每層攤鋪厚度 mm 每層壓實(shí)遍數(shù) 1 平碾 200～300 6～8 2 振動(dòng)壓實(shí)機(jī)a 250～350 3～4 3 柴油打夯機(jī) 200～250 3～4 4 蛙式打夯機(jī) 200～250 3～4 5 人工打夯b <200 3～4 a當(dāng)采用小于12t的振動(dòng)壓實(shí)機(jī)時(shí)，分層厚度和壓實(shí)遍數(shù)應(yīng)符合機(jī)械使用說(shuō)明的要求。 b人工打夯時(shí)，土料粒徑不應(yīng)大于50mm。 檢驗(yàn)方法：鋼尺測(cè)厚、觀察遍數(shù)。 5.3.5 回填過(guò)程中應(yīng)保持降水系統(tǒng)正常運(yùn)行。 檢驗(yàn)方法：觀察檢查。 5.4基槽工程質(zhì)量檢驗(yàn) 5.4.1 土方開(kāi)挖工程質(zhì)量及檢驗(yàn)應(yīng)符合表5.4.1的規(guī)定。 表5.4.1 土方開(kāi)挖工程質(zhì)量檢驗(yàn)標(biāo)準(zhǔn) 單位：mm 序號(hào) 控制類別 項(xiàng) 目 允許偏差或允許值 檢驗(yàn)方法 1 主控項(xiàng)目 基底土質(zhì) 設(shè)計(jì)文件要求 觀察 2 標(biāo)高 -50 水準(zhǔn)儀 3 一般項(xiàng)目 表面平整度 20 水準(zhǔn)儀或拉線、鋼尺檢查 4 長(zhǎng)度、寬度 +200 -50 經(jīng)緯儀，用鋼尺量(由設(shè)計(jì)中心線向兩邊量) 5 邊坡 設(shè)計(jì)文件要求或表3 觀察或用坡度尺檢查 5.4.2基礎(chǔ)土方回填工程質(zhì)量及檢驗(yàn)應(yīng)符合表5.4.2的規(guī)定。 表5.4.2土方回填工程質(zhì)量檢驗(yàn)標(biāo)準(zhǔn) 單位：mm 序號(hào) 控制類別 項(xiàng) 目 允許偏差或允許值 檢驗(yàn)方法 1 主控項(xiàng)目 分層壓實(shí)系數(shù) 設(shè)計(jì)文件要求 按規(guī)定方法 2 一般項(xiàng)目 回填土料 設(shè)計(jì)文件要求 直觀鑒別 3 分層厚度 設(shè)計(jì)文件要求或表5.3.4 水準(zhǔn)儀/鋼尺及抽樣檢查 4 填土標(biāo)高 -50 水準(zhǔn)儀 5.4.3基槽開(kāi)挖工程質(zhì)量檢測(cè)項(xiàng)目驗(yàn)收時(shí)，檢查數(shù)量應(yīng)符合下列規(guī)定： a)基底土質(zhì)，全數(shù)檢查； b)斷面尺寸，每5m檢測(cè)一點(diǎn)，每邊不少于一點(diǎn)； c)基底標(biāo)高和表面平整度，每10m2一點(diǎn)，每個(gè)基坑不少于一點(diǎn)； d)邊坡值，每10m檢測(cè)不少于一點(diǎn)，每個(gè)基坑不少于一點(diǎn)。 5.4.4基礎(chǔ)土方回填工程質(zhì)量檢測(cè)驗(yàn)收時(shí)，檢查數(shù)量應(yīng)符合下列規(guī)定： a)分層壓實(shí)系數(shù)及分層厚度，每50m2～100m2檢測(cè)一點(diǎn)，每個(gè)基槽不少于一點(diǎn)； b)填土頂面標(biāo)高、表面平整度，每個(gè)基槽不少于一點(diǎn)； c)回填土料，每個(gè)取土點(diǎn)不少于一次，回填土料條件或來(lái)源變化時(shí)，應(yīng)分別取樣檢測(cè)。 6模板工程 6.1 一般規(guī)定 6.1.1 模板及支架使用材料及構(gòu)配件的材質(zhì)、規(guī)格、性能、進(jìn)場(chǎng)檢測(cè)等應(yīng)符合施工技術(shù)文件的要求和相關(guān)標(biāo)準(zhǔn)的規(guī)定。 6.1.2模板及支架應(yīng)根據(jù)工程結(jié)構(gòu)形式、使用工況、地基土類別、施工設(shè)備和材料供應(yīng)條件進(jìn)行設(shè)計(jì)，應(yīng)滿足承載能力、剛度和整體穩(wěn)固性要求。 6.1.3高、大、重模板支架工程的施工方案應(yīng)按有關(guān)規(guī)定進(jìn)行技術(shù)論證。 6.1.4澆筑混凝土的專用通道、泵送管道的支架等設(shè)施，應(yīng)與模板及支架分離。 6.2模板及支架的安裝和拆除 主控項(xiàng)目 6.2.1 模板支架的基礎(chǔ)形式與排水措施、安裝程序、桿件布置與構(gòu)造措施、連墻件設(shè)置應(yīng)符合施工技術(shù)文件的規(guī)定。 檢驗(yàn)方法：觀察檢查。 6.2.2模板安裝的材料、拼裝順序、位置、支撐設(shè)置應(yīng)與設(shè)計(jì)一致，應(yīng)保證設(shè)備基礎(chǔ)各部分形狀、尺寸和相對(duì)位置正確。 檢驗(yàn)方法：觀察檢查、測(cè)量檢查。 6.2.3模板隔離劑不得沾污鋼筋和混凝土接槎處。 檢驗(yàn)方法：觀察檢查。 6.2.4底模及其支架拆除時(shí)的混凝土強(qiáng)度，設(shè)計(jì)文件無(wú)要求時(shí)，應(yīng)符合表6.2.4的規(guī)定。 表6.2.4底模及支架拆除時(shí)混凝土應(yīng)達(dá)到的強(qiáng)度 序號(hào) 構(gòu)件類型 構(gòu)件跨度(m) 達(dá)到設(shè)計(jì)的混凝土立方體抗壓強(qiáng)度標(biāo)準(zhǔn)值的百分率(％) 1 板 ≤2 ≥50 >2，且≤8 ≥75 >8 ≥100 2 梁 ≤8 ≥75 >8 ≥100 3 懸臂構(gòu)件 — ≥100 檢驗(yàn)方法：檢查同條件養(yǎng)護(hù)試件強(qiáng)度試驗(yàn)報(bào)告。 一般項(xiàng)目 6.2.5模板安裝應(yīng)滿足下列規(guī)定： a)模板的接縫不應(yīng)漏漿； b)澆筑混凝土前，模板應(yīng)澆水濕潤(rùn)，但模板內(nèi)不得積水； c)模板與混凝土的接觸面應(yīng)清理干凈并涂刷隔離劑，但不得采用影響結(jié)構(gòu)性能或妨礙裝飾工程施工的隔離劑； d)澆筑混凝土前，模板內(nèi)的雜物應(yīng)清理干凈。 檢驗(yàn)方法：觀察檢查 6.2.6對(duì)跨度大于等于4m的梁、板模板應(yīng)起拱，當(dāng)設(shè)計(jì)文件無(wú)要求時(shí)，起拱的高度為跨度的1‰～30‰。 檢驗(yàn)方法：測(cè)量檢查。 6.2.7柱模板安裝應(yīng)符合下列規(guī)定： a)模板下端應(yīng)預(yù)留清掃口； b)柱、梁接合處應(yīng)拼裝嚴(yán)密，并易于拆除； c)多柱安裝完成后，應(yīng)統(tǒng)一校核軸線、標(biāo)高。 檢驗(yàn)方法：觀察檢查、測(cè)量檢查。 6.2.8 穿越基礎(chǔ)的管線不得直接澆筑在混凝土中。 檢驗(yàn)方法：觀察檢查。 6.2.9當(dāng)混凝土強(qiáng)度能保證其表面及棱角不受損傷時(shí)，方可拆除側(cè)模。 檢驗(yàn)方法：觀察檢查。 6.2.10拆除帶有對(duì)拉螺栓或固定地腳螺栓的模板時(shí)，應(yīng)避免螺栓與砼接觸面松動(dòng)。 檢驗(yàn)方法：觀察檢查。