Anchor · 锚栓
A component that transfers forces between a base plate or bracket and concrete, masonry or another substrate.
Evidence-led knowledge base
Pergola glossary
Bilingual terminology for pergola design, engineering, drainage and regulation.
62 terms
A
Anodizing · 阳极氧化
An electrochemical process that thickens aluminum's oxide layer for appearance and protection.
Arbor · 花架门廊
A small garden structure, often arched and used to support climbing plants.
Authority having jurisdiction · 主管部门
The organization or official responsible for interpreting and enforcing applicable requirements.
B
Base plate · 柱脚底板
A plate that spreads post forces into anchors and a supporting foundation.
Beam · 横梁
A primary horizontal member that supports rafters, louvers or secondary framing.
Bioclimatic pergola · 生物气候凉亭
A market term commonly used for adjustable-louver systems intended to moderate sun, rain and ventilation.
Bracing · 支撑
Members or frames that resist lateral movement and stabilize the structure.
C
Canopy · 篷布
A fabric or lightweight cover providing shade or limited weather protection.
Cantilever · 悬臂
A member that projects beyond its support without an outer support at the free end.
Collector · 汇集构件
A member that gathers lateral forces and transfers them into resisting frames or bracing.
Corrosivity category · 腐蚀等级
An environmental classification used to inform corrosion-protection selection.
D
Dead load · 恒载
The self-weight of the structure and permanently attached components.
Deflection · 挠度
Movement of a member under load, usually measured relative to its unloaded position.
Design life · 设计使用年限
The period assumed for design decisions under stated maintenance conditions; not a warranty.
Downpipe · 落水管
A vertical pipe that conveys water from a gutter or channel to a discharge point.
Drainage fall · 排水坡度
A deliberate slope that encourages water to flow toward an outlet.
E
Egress · 逃生出口
A code-regulated path or opening used to leave a building safely.
Embedment · 埋深
The depth an anchor or foundation element extends into its supporting material.
Exposure category · 风暴露类别
A description of surrounding terrain and obstructions used in wind design.
Extrusion · 挤压型材
A continuous profile formed by forcing material, commonly aluminum, through a shaped die.
F
Fascia · 边梁饰面
An edge element or finish concealing roof, gutter or frame components.
Flashing · 泛水
A water-shedding transition protecting joints between a structure and a building envelope.
Footing · 基础底座
A foundation element that spreads structural reactions into soil.
Freestanding · 独立式
Structurally independent from an adjacent building.
G
Gazebo · 凉亭
A freestanding outdoor structure commonly understood to have a roof and defined plan form.
Glazing · 玻璃系统
Glass or transparent/translucent panels and their supporting system.
Gutter · 天沟
A channel that collects and conveys water from a roof or louver field.
H
Heat-affected zone · 热影响区
Material adjacent to a weld whose properties were changed by welding heat.
I
Impermeable roof · 不透水屋面
A roof surface intended to prevent rainfall passing through under its design conditions.
L
Ledger · 墙托梁
A horizontal member attached to a building to support an attached structure.
Live load · 活荷载
A variable load arising from use, maintenance or code-defined occupancy effects.
Louver · 百叶
A slat or blade that may be fixed or adjustable to control light, air or rain.
M
Motor limit · 电机限位
A programmed or mechanical endpoint controlling travel of a motorized component.
N
National Annex · 国家附录
A Eurocode document containing nationally determined parameters and national choices.
O
Open-rafter · 开放式椽条
An overhead frame with intentional gaps between rafters or slats.
Overturning · 倾覆
Rotational action that tends to tip a structure about an edge of its support.
P
Pavilion · 亭式建筑
A freestanding roofed structure, often larger or more enclosed than a pergola.
Pergola · 凉亭/廊架
An outdoor framework of posts and overhead members; legal definitions vary by jurisdiction and roof condition.
Ponding · 积水效应
Water accumulation that can increase load and deformation on a roof or canopy.
Post · 立柱
A primary vertical member transferring frame actions to a base or foundation.
Powder coating · 粉末喷涂
A factory-applied polymer finish cured onto metal.
Pressure coefficient · 压力系数
A factor representing how wind pressure varies over a surface or shape.
R
Rafter · 椽条
A repeated overhead member spanning between beams or supports.
Rain sensor · 雨传感器
A device that detects moisture and commands an automated response.
Reaction · 支座反力
A force or moment transferred from the structure into a support.
Retractable roof · 伸缩屋面
A movable fabric or panel system that opens and closes over an outdoor area.
S
Sealant · 密封胶
A flexible material used to limit water or air movement at a joint.
Seismic action · 地震作用
Inertial effects on a structure caused by ground motion.
Serviceability · 正常使用性能
Performance criteria for movement, appearance, drainage and function under service conditions.
Setback · 退界距离
A required distance between a structure and a boundary or other regulated feature.
Snow drift · 雪漂移
Localized accumulation caused by wind and changes in roof height or geometry.
Snow load · 雪荷载
A design action representing snow accumulation on a structure.
Span · 跨度
The distance a member bridges between supports.
Structural grade · 结构等级
A verified material classification associated with design properties.
T
Thermal break · 隔热断桥
A low-conductivity separation reducing heat flow through a metal assembly.
Thermal movement · 热胀冷缩
Expansion or contraction caused by temperature change.
U
Uplift · 上拔
An upward action, often caused by wind suction beneath or above a roof.
W
Wind region · 风区
A geographic classification used to establish regional wind climate.
Wind sensor · 风传感器
A device that triggers an automated response based on measured wind.
Working clearance · 检修空间
Space reserved for safe installation, inspection or maintenance.
Z
Zoning · 分区管制
Local land-use rules that can regulate height, location, coverage and setbacks.
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